Geoffrey A. Landis

Selected Scientific Publications

updated 26 Nov. 2004

Patents:

"InP Solar Cell With Window Layer" (with R. Jain), U.S. Patent 5,322,573 (1994).

"Low Reflectance Front Surface for InP Optoelectronic Devices" (with P. Jenkins), U.S. Patent 5,261,970 (1993).

"Cross-Grooved Solar Cell," U.S. Patent 4,608,451 (1986).

"Method of Making a Cross-Grooved Solar Cell," U.S. Patent 4,620,364 (1986).

(plus other patents in process)

 

Book Chapters:

G. Landis, "The Ultimate Exploration: Approaches to Interstellar Flight," Interstellar Exploration, Y. Kondo, ed., Apogee Books (2003).

G. Landis, "Laser Propulsion," Space Sciences, Volume 4, Macmillan Science Library, Macmillan Reference USA, New York, 66-67 (2002).

G. Landis, "Lightsails," Space Sciences, Volume 4, 79-80 (2002).

G. Landis, "Power Sources," Space Sciences, Volume 4, 132-133 (2002).

G. Landis, S. Bailey, and B. McKissock, "Designing Power Systems," chapter 20, Human Spaceflight: Mission Analysis and Design, W.J. Larson and L. Pranke, eds., 643-664. McGraw-Hill Space Technology Series (1999).

G. Landis, "Footsteps to Mars: an Incremental Approach to Mars Exploration," From Imagination to Reality: Mars Exploration Studies, R. Zubrin, ed., 339-350. AAS Science and Technology Series Volume 91 (1997).

A. Hepp, G. Landis and C. Kubiak, "A Chemical Approach to Carbon Dioxide Utilization on Mars," Resources of Near Earth Space, 845-885. U. Arizona Press Space Science Series (1993).

R. Haberle, C.P. McKay, O. Gwynne, D. Atkinson, G. Landis, R. Zurek, J. Pollack and J. Appelbaum, "Atmospheric Effects on the Utility of Solar Power on Mars," Resources of Near Earth Space, 799-818. U. Arizona Press Space Science Series (1993).

 

Journal Papers:

M. Lemmon... G. Landis, et al., " Atmospheric Imaging Results from the Mars Exploration Rovers," to be published, Science, Vol. 305, Dec. 3 2004.

R. Arvidson... G. Landis, et al., "Localization and Physical Properties Experiments Conducted by Opportunity at Meridiani Planum," to be published, Science, Vol. 305, Dec. 3 2004.

M. Smith ... G. Landis, et al., "First Atmospheric Science Results from the Mars Exploration Rovers miniTES," to be published, Science, Vol 305, e, Dec. 3 2004.

S. Squyres ... G. Landis, et al., "The Opportunity Rover's Athena Science Investigation At Meridiani Planum, Mars," to be published, Science, Vol 305, Dec. 3 004.

G. Landis, "Robots and Humans: Synergy in Planetary Exploration," Acta Astronautica. Vol 55, No. 12, 985-990 (Dec. 2004).

 G. Landis, "Interstellar Flight by Particle Beam," Acta Astronautica. Vol 55, No. 11, 931-934 (Dec. 2004).

S. Squyres... G. Landis, et al., "The Spirit Rover's Athena Science Investigation at Gusev Crater, Mars," Science, Vol 305, No. 5685, 794-799, 6 August 2004.

R. Greeley... G. Landis, et al., "Wind-Related Processes Detected by the Spirit Rover at Gusev Crater, Mars," Science, Vol 305, No. 5685, 810-821, 6 August 2004.

R. Arvidson... G. Landis, et al., "Localization and Physical Properties Experiments Conducted by Spirit at Gusev Crater," Science, Vol 305, No. 5685, 821-824, 6 August 2004.

R. E. Arvidson, R. Anderson, A. Haldemann, G. Landis, et al., "Physical Properties and Localization Investigations Associated With the 2003 Mars Exploration Rovers," J. Geophysical Research: Planets, 108. No. E2, 8070 (2003).

G. Landis, C. LaMarre and A. Colozza, "Atmospheric Flight on Venus: A Conceptual Design," J. Spacecraft and Rockets, Vol 40, No. 5 (Sept-Oct. 2003), 672-677.

G. Landis, “Venus: the Case for Astrobiology,” Journal of the British Interplanetary Society, Vol. 56, No. 7/8, 250-254 (2003).

R. Raffaelle, A. Hepp, G. Landis and D. Hoffman, "Mission Applicability Assessment of Integrated Power Components and Systems," Progress in Photovoltaics: Research and Applications, Vol. 10, No. 6, Sept. 2002, 391-397.   Presented at 17th Space Photovoltaic Research and Technology Conf., NASA John Glenn Research Center, Cleveland OH, November 10-13 2001.

G. Landis, "Martian Water: Are there Extant Halobacteria on Mars?" Astrobiology, Vol. 1, No. 2, 161-164 (2001).

G. Landis and D. Linne, "A Mars Rocket Vehicle With In-situ Propellant Production," Aiaa Journal of Spacecraft and Rockets, Vol. 38. No. 5, Sept.-Oct. 2001, 730-735.  In earlier form: paper AIAA-2000-3120, 36th Joint Propulsion Conference, Huntsville AL, July 17-19 2000.

J. Appelbaum, A. Steiner, G. Landis, C. Baraona, and T. Segalov, "Spectral Content of Solar Radiation on Martian Surface Based on Mars Pathfinder," Journal of Propulsion and Power, Vol. 17 No. 3, 508-516 (May-June 2001).

G. Landis, "Is There Lightning on Mars?" Journal of the British Interplanetary Society, Vol. 53, No. 3/4, 117-120 (Mar-Apr. 2000).

 G. Landis, "Avatars in Space," Nature, Vol. 403, 833 (24 Feb. 2000).

G. Landis, "An All-Woman Crew to Mars: A Radical Proposal," Space Policy, Vol. 16, No. 3, 167-179 (2000).

G. Landis and P. Jenkins, "Measurement of the Settling Rate of Atmospheric Dust on Mars by the MAE Instrument on Mars Pathfinder," J. Geophysical Research, Vol. 105, No. E1, 1855-1857 (Jan 25, 2000). Presented at the AGU Fall meeting, San Francisco CA, Dec. 6-10 1998.

W. Farrell, M. Desch, M. Kaiser, J. Houser, G. Landis and D. Wilt, "Radio and Optical Detection of Martian Dust Storm Discharges," Acta Astronautica, Vol. 46, No. 1, 25-36 (2000).

G. Landis, "Solar Cell Selection for Mars," IEEE Aerospace and Electronic Systems Magazine, Vol. 15, No. 1, 17-21 (Jan. 2000).  Presented at the 2nd World Conference on Photovoltaic Energy Conversion, Vol. III, Vienna, Austria, July 1998, 3695-3698.

G. Landis, "Beamed Energy Propulsion for Practical Interstellar Flight," Journal of the British Interplanetary Society, Vol. 52, 420-423 (1999).

W. Farrell, M. Kaiser, M. Desch, J. Houser, S. Cummer, D. Wilt and G. Landis, "Detecting Electrical Activity from Martian Dust Storms," Journal of Geophysical Research - Planets, Vol. 104, No. 2, 3795-3805, Feb. 25, 1999.

G. Landis and C. Cafarelli, "The Tsiolkovski Tower Reexamined," J. British Interplanetary Society,  Vol. 52, 175-180 (1999).  Presented as paper IAF-95-V.4.07, 46th International Astronautics Federation Congress, Oslo Norway, 2-6 Oct. 1995.

R. Jain and G. Landis, "Transient Response of GaAs and Silicon Solar Cells Under Laser Pulse," Solid State Electronics, Vol. 42, No. 11, 1981-9183 (1998).

G. Landis, "Mars Dust Removal Technology," J. Propulsion and Power, Vol. 14, No. 1, 126-128, Jan. 1998.  Presented as paper IECEC-97345, Proceedings of the 32nd Intersociety Energy Conversion Engineering Conference, Vol. 1, 764-767; July 27-Aug. 1, 1997, Honolulu HI.

G. Landis, "The Fermi Paradox: An Approach Based on Percolation Theory," Journal of the British Interplanetary Society, Vol. 51, 163-166 (1998).  Presented at Vision-21: Interdisciplinary Science & Engineering, NASA Pub. CP-10129, 163-167, 30-31 Mar 1993.

"The Rover Team" (J. Matijevic, D. Bickler, D. Braun, H. Eisen, L. Matthies, A. Mishkin, H. Stone,..., D. Ferguson, G. Landis, L. Oberle et al.) "Characterization of the Martian Surface Deposits by the Mars Pathfinder Rover, Sojourner," Science , Vol. 278, 1765-1768, Dec. 5 1997.

"The Rover Team" (J. Matijevic, D. Bickler, D. Braun, H. Eisen, L. Matthies, A. Mishkin, H. Stone, L. Sword, L. van Niewstadt, L-C. Wen, B. Wilcox, D. Ferguson, G. Landis, L. Oberle et al.) "The Pathfinder Microrover," J. Geophysical Research, Vol. 102, No. E2, 3989-4001 (1997).

G. Landis, "Small Laser-propelled Interstellar Probe," Journal of the British Interplanetary Society, Vol. 50, No. 4, 149-154 (1997); Paper IAA-95-4.1.1.02, presented at the 46th International Astronautics Federation Congress, Oslo Norway, 2-6 Oct. 1995.

G. Landis, "Magnetic Wormholes and the Levi-Civita Solution to the Einstein Equation," Journal of the British Interplanetary Society, Vol. 50, No. 4, 155-177 (1997).

G. Landis, P. Jenkins, J. Flatico, L. Oberle, M. Krasowski and S. Stevenson, "Development of a Mars Dust Characterization Instrument," Planetary and Space Science, Vol. 44, No. 11, 1425-1433 (1996).  Paper IAF-95-U.4.09, presented 46th International Astronautics Federation Congress, Oslo Norway, 2-6 Oct. 1995, and Intermarsnet workshop, Capri Italy, 29 Sept. 1995.

G. Landis, "Dust Obscuration of Mars Photovoltaic Arrays," Acta Astronautica, Vol. 38, No. 11, 885-891 (1996).  Paper IAF-94-380, 45th International Astronautical Federation Congress, Jerusalem, Oct. 9-14 1994.

G. Landis, S. Bailey and M. Piszczor, "Recent Advances in Solar Cell Technology," J. Propulsion and Power, Vol. 12, No. 5, 835-841, Sept-Oct. 1996.  Paper AIAA-95-0027, 33rd AIAA Aerospace Sciences Meeting, Reno NV, 9-12 Jan. 1995.

J. Cramer, R.L. Forward, M. Morris, M. Visser, G. Benford and G. Landis, "Natural Wormholes as Gravitational Lenses," Physical Review D, 15 March 1995, 3124-3127.  Presented 17th Symposium Relativistic Astrophysics, Max-Planck Institute for Physics, Munich, Dec. 94.

G. Landis, "Footsteps to Mars: an Incremental Approach to Mars Exploration," Journal of the British Interplanetary Society, Vol. 48, 367-342 (1995).  Presented at Case for Mars V, Boulder CO, 26-29 May 1993.

R. Lowe, G. Landis and P. Jenkins, "Response of Solar Cells to Pulsed Laser Illumination," IEEE Transactions on Electron Devices, Vol. 42, No. 4, 744-751 (1995).

J. Appelbaum, G. Landis and I. Sherman, "Solar Energy on Mars: Stationary Photovoltaic Array," Journal of Propulsion and Power, Vol. 11 No. 3, 554-561 (1995).

G. Landis, "Future Directions in PV Cell Development," Space Power, Vol. 14, 201-206 (1995). Also in Proceedings of the XIII Space Photovoltaic Research and Technology Conference, NASA CP-3278, 425-429 (1994).

R. Jain, G. Landis, D. Wilt and D. Flood, "Strained InAlAs Window Layers for InP Solar Cells," Applied Physics Letters, Vol. 64, No. 13, 1708-1710, 28 Mar. 1994.

G. Landis, "Magnetobraking for Mars Return Vehicles," Acta Astronautica. Vol. 32, No. 12, 829-833 (1994). Presented at Case for Mars V, Boulder CO, 26-29 May 1993.

A. Hepp, D. Linne, G. Landis, M. Wadel and J. Colvin, "Production and Use of Metals and Oxygen for Lunar Propulsion," Journal of Propulsion and Power, Vol. 10, No. 6, 834-840 (1994).

P. Jenkins, G. Landis, N. Fatemi, S. Bailey and X. Li, "An InP Solar Cell With a Light-Trapping Front Surface," Solar Energy Materials and Solar Cells Vol. 33 No. 2, 125-133 (1994).

G. Landis, N. Fatemi, M. Young and S. Bailey, "Maskless Texture Etching of GaAs," Journal of the Electrochemical Society, Vol. 140, No. 12, L183-L184 (1993).

G. Landis, "Receivers for Laser Beamed Power," Space Power, Vol. 12, No. 1-2, 51-54 (1993).  Presented  XII Space Photovoltaic Research & Technology Conference, NASA CP-3210, 340-343.

J. Appelbaum and G. Landis, "PV Arrays for Martian Surface Power," Acta Astronautica, Vol. 30, 127-142 (1993); paper IAF-92-0591, 43rd IAF Congress (1992).

J. Appelbaum, G. Landis and I. Sherman, "Sunlight on Mars: Update 1991," Solar Energy, Vol. 50 No. 1, 35-51 (1993).

G. Landis, "Photovoltaic Receivers for Laser Beamed Power," Journal of Propulsion and Power, Vol. 9 No. 1, 105-112 (1993).  Presented at 22nd IEEE Photovoltaic Specialists Conference, Las Vegas NV, Oct. 1991, Vol. II, 1494-1502.

G. Landis, "New Approaches for a Solar-Pumped GaAs Laser," Optics Communications, Vol. 92 No. 4-6, 261-265 (Sept. 1, 1992).

G. Landis and D. Linne, "Acetylene Fuel from Atmospheric CO2 on Mars," Journal of Spacecraft and Rockets, Vol. 26 No. 2, 294-296 (1992).

G. Landis, "Moonbase Night Power by Laser Illumination," J. Propulsion and Power, Vol. 8 No. 1, 251-254 (1992).  Also in Proceedings of the Technology Workshop on Laser Beamed Power, Feb. 1991, NASA Lewis Research Center, Cleveland OH.

G. Landis, "Reactionless Orbital Propulsion Using Tether Deployment," Acta Astronautica, Vol. 26 No. 5, 307-312 (1992); paper IAF-90-254.

G. Landis and R. Cull, "Integrated Solar Power Satellites: An Approach to Low-Mass Space Power," Space Power, Vol. 11, No. 3-4, 303-218 (1992); presented at SPS-91: Power From Space, Aug. 27-30, 1991, Paris France, pp. 225-232.

G. Landis, "Space Power by Ground-based Laser Illumination," IEEE Aerospace and Electronics Systems, Vol. 6 No. 6, 3-7, Nov. 1991.  Presented at 26th Intersociety Energy Conversion Engineering Conference, Boston MA, Aug. 4-9 1991, Proc. 26th IECEC, Vol. 1, p 1-6.

G. Landis and J. Appelbaum, "Photovoltaic Power Options for Mars," Space Power, Vol. 10, No. 2, 225-237 (1991).

R. Jain and G. Landis, "Calculated Performance of p+n InP Solar Cells With InAlAs Window Layers," Applied Physics Letters, Vol. 59 No. 20, 2555-2557 (1991).

J. Woodyard and G. Landis, "Radiation Resistance of Thin Film Solar Cells," Solar Cells, Vol. 31 No. 4, 297-329 (1991).

G. Landis, "Satellite Eclipse Power by Laser Illumination," Acta Astronautica, Vol. 25 No. 4, 229-233 (1991); paper IAF-90-053; 41st IAF Congress, Dresden, Germany, Oct. 1990.

G. Landis, "Structural Scaling Approximations for Spacecraft Solar Arrays," Space Power, Vol. 10 No. 3/4, 401-409 (1991); presented at European Space Power Conference, 2-6 Sept. 1991, Florence, Italy; publication ESA SP-320, 747-754 (1991).

G. Landis and C-Y Lu, "Solar Array Orientation Options for a Space Station in Low Earth Orbit," Journal of Propulsion and Power, Vol. 7 No. 1, 123-125 (1991).

G. Landis and F. Hrach, "Satellite Relocation by Tether Deployment," Journal of Guidance, Control and Dynamics, Vol. 14 No. 1, 214-216 (1991).

G. Landis, "Comments on Negative Mass Propulsion," J. Propulsion and Power, Vol. 7 No. 2, 304 (1991).

G. Landis, "Proposal for a Sun-Following Moonbase," Journal of the British Interplanetary Society, Vol. 44, 125-126 (1991).

G. Landis, "An Evolutionary Path to SPS," Space Power, Vol. 9 No. 4, 365-371 (1990).

G. Landis, J.J. Loferski, R. Beaulieu, S.M. Vernon, P. Moisé-Sekula, C. Keavney and M. Spitzer, "Epitaxial Wide-Bandgap Heterojunction Windows for Silicon Solar Cells," IEEE Transactions on Electron Devices, Vol. 37 No. 2, 372-381 (1990).

G. Landis, "A Process Sequence for Manufacture of Ultra-Thin, Light-Trapping Silicon Solar Cells," Solar Cells, Vol. 29 No. 2/3, 257-266 (1990).

G. Landis, S. Bailey, D. Brinker and D. Flood, "Photovoltaic Power for a Lunar Base," Acta Astronautica, Vol. 22, 197-203 (1990).  Paper IAF-89-254, 40th IAF Congress, Torremolinos, Spain, Oct. 7-13, 1989.

G. Landis, "Degradation of the Lunar Vacuum by a Moon Base," Acta Astronautica, Vol. 21 No. 3, 183-187 (1990).

S. Bailey, G. Landis and D. Wilt, "Effect of Crystal Orientation in Anisotropic Etching and MO-CVD Growth of Grooves on GaAs," J. Electrochemical Society, Vol. 136 #11, 3444-3449 (1989).

G. Landis, S. Bailey and D. Flood, "Advances in Thin-Film Solar Cells for Lightweight Space Photovoltaic Power," Space Power, Vol. 8 No. 1-2, 31-50 (1989); presented IAF International Conf. on Space Power, Cleveland OH, June 1989.

S. Bailey, G. Landis and D. Wilt, "Anisotropic Etching and MO-CVD Growth on GaAs," J. Electrochem. Soc., Vol. 135 #9, Sept. 1988, p. 451C; presented at State of the Art Program on Compound Semiconductors IX, Electrochemical Soc. Meeting, Chicago IL, Oct. 9-14, 1988.

G. Landis, "A New Space-Station Power System," Acta Astronautica, Vol. 19 No. 9, 975-977 (1988).

G. Landis, "Technology Assessment of Thin-Film Cascade PV Modules," Solar Cells, Vol. 23 No. 3, 203-221 (1988).

G. Landis and P. Younger, "A Low-Cost Solar Cell Front Contact Using Trapped Silver Mesh and Electrostatic Bonding," IEEE Transactions on Components, Hybrids, and Manufacturing Technology, Vol. CHMT-2 No. 3, 350-355 (1979).

G. Landis and M. Huber, "Improved Methods of Altitude Data Reduction," NAR Tech Review, Vol. 5 No. 1 (1980); presented at 21st NAR Annual Meet, Johnson Space Center, TX (1979).

G. Landis, "Optimization of Tapered Busses for Solar Cell Contacts," Solar Energy, 22, # 4, 401-402 (1979).

 

Journal and Conference Proceedings (editor)

Odyssey Jan. 2001 (consulting editor for special issue).

Progress in Photovoltaics, Volume 6, No. 2 (guest editor, 2000).

Progress in Photovoltaics, Volume 4, No. 2 (guest editor, with D. Flood, Mar-Apr. 1996).

Space Photovoltaic Research and Technology 1995 (conference proceedings, editor) NASA Conference Publication CP-3324 (1996).

Vision-21: Interdisciplinary Science and Engineering in the Era of CyberSpace (symposium proceedings, editor) NASA Conference Publication CP-10129 (1993).

Vision 21: Space Travel for the Next Millennium (symposium proceedings, editor) NASA Conference Publication CP-10059 (1990).

 

Conference Papers

G. Landis and the Athena Science Team, "Undercut Rocks at the MER Gusev Landing Site," presented at the Geological Society of America Annual Meeting, Denver CO, 7-10 November 2004

G. Landis and K. Mellott, "Venus Surface Power and Cooling System Design," paper IAC-04-R.2.06, International Astronautical Federation Congress, Vancouver BC, Oct. 4-8 2004.

G. Landis, "Robotic Exploration of the Surface and Atmosphere of Venus," paper IAC-04-Q.2.A.08, International Astronautical Federation Congress, Vancouver BC, Oct. 4-8 2004.

G. Landis, "Teleoperation from Mars Orbit: A Proposal for Human Exploration," paper IAC-04-IAA.3.7.2.05, International Astronautical Federation Congress, Vancouver BC, Oct. 4-8 2004.

G. Landis and the Athena Science Team, "Water on Mars: Evidence from MER Mission Results," paper  IAC-04-Q.P.05, International Astronautical Federation Congress, Vancouver BC, Oct. 4-8 2004

G. Landis, P. Jenkins, D. Scheiman, R. Rafaelle, "Extended Temperature Solar Cell Technology Development," 2nd International Energy Conversion Engineering Conference, paper AIAA-2004-5578 August 16-19 2004, Providence, RI.

G. Landis, P. Jenkins, D. Scheiman, and T. Kerslake, "Mars Solar Power," 2nd International Energy Conversion Engineering Conference, paper AIAA-2004-5555, August 16-19 2004, Providence, RI.

I. Krainski, G. Landis  S. Bailey and R. Raffaelle, "Nanotube Thermionic Emission," 2nd International Energy Conversion Engineering Conference, paper AIAA-2004-5589, August 16-19 2004, Providence, RI.

R. Clancy M. Wolf, M. Smith, M. Lemmon, G. Landis et al., "Atmospheric Science with the Mars Exploration Rovers:  Things Are Looking Up," presented at the 35th COSPAR Scientific Assembly, Paris, France, 18-25 July 2004.

G. Landis, P. Jenkins, and D. Scheiman, "Photovoltaic Cell Operation on Mars," presented at the 19th European Photovoltaic Science and Engineering Conference, Paris, France, June 7-11 2004.

G. Landis, R. Rafaelle, and D. Merritt, "High Temperature Solar Cell Development," presented at the 19th European Photovoltaic Science & Engineering Conference, Paris France, June 7-11 2004.

R. Rafaelle, S. Ringel and G. Landis, "Wide Bandgap Solar Cells for High Temperature Operation," presented at the Great Lakes Photonics Symposium, June 1-5, 2004.

L. Richter... G. Landis, et al., "Rock and Soil Physical Properties at the MER Gusev Crater Landing Site," EGU04-A-06544, European Geophysical Union Conference, Nice, France, April 25-30 2004; Geophysical Research Abstracts, Vol. 6, 2004.

M. Lemmon, M. Smith, M. Wolff, P. Smith, G. Landis, and the Athena Science Team, "Atmospheric properties at the Mars Exploration Rover landing sites," EGU04-A-05777, Euro. Geophys. Union Conf., Nice, France, April 25-30 2004; Geophys. Res. Abstracts, Vol. 6, 2004.

R. Sullivan... G. Landis, et al., "Rock and soil physical properties at the MER Terra Meridiani landing site," EGU04-A-06074, European Geophysical Union Conference, Nice, France, April 25-30 2004; Geophysical Research Abstracts, Vol. 6, 2004.

G. Landis, et. al., "Transient Liquid Water as a Mechanism for Induration of Soil Crusts on Mars, " in Lunar And Planetary Science XXXV (LPI Publication 1197, 2004).  Presented at the 35th Lunar and Planetary Science Conference, League City TX, Mar 15-19 2004.

N. Cabrol... G. Landis, et al., "Spirit at Gusev Crater: Preliminary Observations, Potential Processes and Hypotheses," in Lunar And Planetary Science XXXV (LPI Publication 1197, 2004)  Presented at the 35th Lunar and Planetary Science Conference, League City TX, Mar 15-19 2004.

D. Ming... G. Landis, et al., "Soil and Rock Physical Properties at the Mars Exploration Rover Landing Sites: Early Returns, " in Lunar And Planetary Science XXXV (LPI Publication 1197, 2004).  Presented at the 35th Lunar and Planetary Science Conference, League City TX, Mar 15-19 2004.

J. Elich, T. Gennett, R. Raffaelle, B. Landi, G. Landis, S. Bailey, and I. Krainsky, "Single Wall Carbon Nanotube Thermionic Emitters," 3rd Conference on Thin Films and Nanotechnology for Energy Conversion, Brook Park OH, Sept. 18-19 2003.  To be published, Materials Science and Engineering B (2004).

G. Landis, D. Merritt, and R. Raffaelle, "High-Temperature Solar Cell Development," presented at Space Photovoltaics Research & Technology 2003 Conf., Cleveland OH, Sept. 16-18 2003.

A. Colozza, G. Landis, and V. Lyons, "Overview of Innovative Aircraft Power and Propulsion Systems and Their Applications for Planetary Propulsion," presented at AIAA/ICAS International Air & Space Symposium and Exposition, Dayton OH, Jul 14 - 17 2003.

J. Elich, B. Landi, T. Gennett, R. Raffaelle, I. Kranski, G. Landis, and S. Bailey, “Thermionic and Thermoelectric Properties of Single Wall Carbon Nanotubes,” presented at the AIAA International Energy Conversion Engineering Conference, Portsmouth, VA, Aug. 17-21 2003.

O. Sulima... G. Landis, et al., “High Temperature AlGaP/GaP Solar Cells for NASA Space Missions,” presented at the 3rd World Conference on Photovoltaic Energy Conversion, Osaka Japan, May 11-18 2003.

G. Landis, "Colonization of Venus," presented at Conference on Human Space Exploration, Space Technology & Applications International Forum, Albuquerque NM, Feb. 2-6 2003.  AIP Conference Proceedings Vol. 654, 1193-1198.

G. Landis, "Robots and Humans: Synergy in Planetary Exploration," presented at Conference on Human Space Exploration, Space Technology & Applications International Forum, Albuquerque NM, Feb. 2-6 2003, AIP Conference Proceedings Vol. 654, 853-860.

G. Landis and V. Denis, "High Altitude Launch for a Practical SSTO," presented at Conference on Next Generation Space Transportation, Space Technology & Applications International Forum, Albuquerque NM, Feb. 2-6 2003. AIP Conference Proceedings Vol. 654, 290-295.

G. Landis, "Reinventing the Solar Power Satellite," paper IAC-02-R.1.07, 3rd International Astronautical Congress/2002 World Space Congress, Houston TX, October 10-19 2002.

G. Landis, C. Lamarre, and A. Colozza, "Venus Atmospheric Exploration by Solar Aircraft," paper IAC-02-Q.4.2.03, 53rd International Astronautical Congress/2002 World Space Congress, Houston TX, Oct. 10-19 2002.  Submitted to Acta Astronautica.

G. Landis, "Peak Power Markets for Satellite Solar Power," paper IAC-02-R.3.06, 53rd International Astronautical Congress/2002 World Space Congress, Houston TX, Oct. 10-19 2002.

S. Bailey, G. Landis, A. Hepp and R. Raffaelle, "Future Photovoltaic Power Generation for Space-Based Power Utilities," paper IAF-02-R.4.06, 53rd International Astronautical Congress/2002 World Space Congress, Houston TX, October 10-19 2002.

B. Udrea, G. Delory, G. Landis, B. Udrea, L. Duvet, A. Choudhuri , M. Prina, P. Moreels and J. Bedard, paper IAC-02-Q3.2.03, "WOBBLE: A Mission to Characterize Past and Present Water on Mars," 53rd International Astronautical Congress/2002 World Space Congress, Houston TX, October 10-19 2002.

G. Landis, "Technology for Solar Array Production on the Moon," Proceedings of the 29th IEEE Photovoltaic Specialist's Conference, New Orleans LA, May 19-24 2002, 796-798.

G. Landis and P. Jenkins, "Dust Mitigation for Mars Solar Arrays,"  Proceedings of the 29th IEEE Photovoltaic Specialist's Conference, New Orleans LA, May 19-24 2002, 812-815.

G. Landis, "Integrated Bypass Battery for Reverse-bias Protection," Proceedings of the 29th IEEE Photovoltaic Specialist's Conference, New Orleans LA, May 19-24 2002, 1539-1540.

G. Landis, "Crossing Mars: Past and Future Missions to a Cold, Dry Desert," presented at the 2nd Space Mechanisms Technology Workshop: Working in the Cold, May 14-16 2002. NASA CP-2002-211882, 8-13.

S. Bailey, G. Landis and R. Raffaelle, "The Next Generation of Space Cells for Diverse Environments," Proceedings 6th European Space Power Conference, ESA SP-502, Porto Portugal, May 6-11 2002, 9-15.

A. Hepp, P. Jenkins, R. Raffaelle, and G. Landis, "Microelectronic Space Power Supplies," Proc. 6th European Space Power Conf., ESA SP-502, Porto Portugal, May 6-11 2002, 153-157.

G. Landis, "The Ultimate Exploration: Approaches to Interstellar Flight," presented at the AAAS Annual Meeting, February 14-19, 2002, Boston MA.

G. Landis, "Origin of Martian Moons from Binary Asteroid Dissociation," presented at the AAAS Annual Meeting, February 14-19, 2002, Boston MA.

G. Landis, C. LaMarre and A. Colozza, "Atmospheric Flight on Venus," paper AIAA-2002-0819, AIAA 40th Aerospace Sciences Meeting, Reno NV, January 14-17 2002.

G. Landis and S. Bailey, "Photovoltaic Power for Future NASA Missions," paper AIAA-2002-0718, AIAA 40th Aerospace Sciences Meeting, Reno NV, January 14-17 2002.

G. Landis, C. LaMarre and A. Colozza, "Solar Flight on Mars and Venus," presented at 17th Space Photovoltaic Research and Technology Conf., NASA John Glenn Research Center, Cleveland OH, November 10-13 2001; NASA CP-2002-211831, 126-127.

S. Bailey, H. Curtis, G. Landis, et. al., "Photovoltaic Technology Needs for Future NASA Science Missions," Proc. 17th European Photovoltaic Solar Energy Conference. Vol. 3, Munich, Germany, October 22-26 2001, 2137-2143.

G. Landis, P. Jenkins, J. A. Sexton, R. Bowen, R. Christie, and J. Charpie, "Design Overview of the Photovoltaic Engineering Testbed," paper AIAA-2001-4971, AIAA Conference & Exhibit on International Space Station Utilization, Cape Canaveral FL, October 15-17 2001.

D. Hoffman, R. Rafelle, G. Landis, and A. Hepp, “Mission Applicability and Benefits of Thin-Film Integrated Power Generation and Energy Storage," paper IECEC2001-AT-21, presented at 36th Intersociety Energy Conversion Engineering Conference, Savannah GA, July 29-Aug. 2 2001.

G. Landis et al., "Calibration and Measurement of Solar Cells on the International Space Station," paper IECEC2001-AT-34, presented at 36th Intersociety Energy Conversion Engineering Conference, Savannah GA, July 29-Aug. 2 2001.

G. Landis and D. Linne, "Mars "Hopper" for Robotic Mars Exploration," presented at the 4th Mars Society Conference, August 23-26 2001, Stanford University, Palo Alto, CA.

G. Landis, "Halobacteria: A Candidate for Present-day Life on Mars," presented at the 4th Mars Society Conference, August 23-26  2001, Stanford University, Palo Alto, CA.

G. Landis, "Access to Space: Beyond the Next Generation," presented at Space Access conference, Scottsdale AZ, April 26-29 2001.

G. Landis, "Interstellar Flight by Particle Beam," presented at the STAIF Conference on Innovative Transportation Systems for Exploration of the Solar System and Beyond, Albuquerque NM, Feb. 11-15, 2001.  AIP Conference Proceedings Volume 552, 393-396.

G. Landis, "Exploring Venus by Solar Airplane," presented at the STAIF Conference on Space Exploration Technology, Albuquerque NM, Feb. 11-15, 2001.  AIP Conference Proceedings Volume 552, 16-18.

G. Landis, "Searching for Life: The Case for Halobacteria on Mars," presented at the STAIF Conference on Space Exploration Technology, Albuquerque NM, Feb. 11-15, 2001. AIP Conference Proceedings Volume 552, 25-28.

D. Kaplan, R. Baird, H. Flynn, J. Rafliff, C. Baraona, P. Jenkins, G. Landis, et al., "The 2001 Mars In-Situ-Propellant-Production Precurson (MIP) Flight Demonstration: Project Objectives and Qualification Test Results," paper AIAA-2000-5145, presented at Space 2000 Conference and Exposition, Sept. 19-21 2000, Long Beach CA.

D. Scheiman, M. Krasowski, L. Greer, J. Lekki, C. Baraona, D. Wilt, G. Landis and P. Jenkins, "Mars Array Technology Experiment (MATE) for Mars Exploration," Proc. 28th IEEE Photovoltaic Specialists Conference, Sept. 17-22 2000, Anchorage AK, 1362-1365.

P. Jenkins, G. Landis, M. Krasowski, L. Greer, D. Wilt, C. Baraona, D. Scheiman and J. Lekki, "A Dust Characterization Experiment for Solar Cells Operating on Mars," Proc. 28th IEEE Photovoltaic Specialists Conference, Sept. 17-22 2000, Anchorage AK, 1358-1361.

G. Landis, S. Bailey, P. Jenkins, A. Sexton, D. Scheiman, et al., "Photovoltaic Engineering Testbed," Proc. 28th IEEE Photovoltaic Specialists Conference, Sept. 17-22 2000, Anchorage AK, 1352-1353.

G. Landis, "Dust Erosion of Interstellar Propulsion Systems," paper AIAA-2000-3339, presented at the 36th Joint Propulsion Conference, Huntsville AL, July 17-19 2000.

G. Landis, "Microwave Pushed Interstellar Sail: Starwisp Revisited," paper AIAA-2000-3337 presented at the 36th Joint Propulsion Conference, Huntsville AL, July 17-19 2000.

G. Landis, P. Jenkins, D. Scheiman, and C. Baraona, "MATE and DART: an Instrument Package for Characterizing Solar Energy and Atmospheric Dust on Mars," presented at Concepts and Approaches for Mars Exploration, Houston TX, July 18-20 2000, Lunar and Planetary Institute Contribution No. 1062, pp. 189-190.

G. Landis and D. Linne, "Mars Exploration with a Self-Refueling Hopper," presented at Concepts and Approaches for Mars Exploration, Houston TX, July 18-20 2000, Lunar and Planetary Institute Contribution No. 1062, pp. 187-188.

S. Bailey, C. Baraona, H. Curtis, P. Jenkins, D. Scheiman, and G. Landis, "Space Solar Cell Calibration and Measurement," presented at the 16th European Photovoltaic Solar Energy Conference, Glasgow UK, 1-5 May 2000.

D. Kaplan, R. Baird, J. Ratliff, C. Baraona, P. Jenkins, G. Landis, et al., "Mars In-Situ Propellant-Production Precursor (MIP),"  presented at Human Space Transportation and Exploration Workshop, Feb. 28- Mar 1, 2000, Galveston TX.

G. Landis, A. Sexton, R. Abramczyk, J. Francz, D. Johnson, L. Yang, D. Minjares, and J. Myers, "The Photovoltaic Engineering Testbed: Design Options and Trade-offs," AIP Conference Proceedings Volume 504, presented at Space Technology and Applications International Forum (STAIF-2000), Jan. 30 - Feb. 3, 2000, Albuquerque NM.

G. Landis, "Dielectric Films for Solar- and Laser-pushed Lightsails," AIP Conference Proceedings Volume 504, pp. 989-992; presented at Space Technology and Applications International Forum (STAIF-2000), Jan. 30 - Feb. 3, 2000, Albuquerque NM.

P. Jenkins, G. Landis, J. Lekki, M. Krasowski and C. Baraona, "Progress of the DART Experiment on the Mars 2001 Surveyor Lander Spacecraft," Space Photovoltaic Research and Technology XVI Conference, Aug. 1999, Cleveland, OH; NASA CP-2001-210747, 242-247.

G. Landis, A. Sexton, R. Abramczyk, J. Francz, D. B. Johnson, L. Yang, D. Minjares, and J. Myers, "Photovoltaic Engineering Testbed On the International Space Station," presented at the Space Photovoltaic Research and Technology XVI Conference, August 1999, Cleveland, OH;  NASA CP-2001-210747, 195-198.

P. Jenkins, G. Landis, et al., "Status of the Dust Accumulation and Removal Technology Experiment for the Mars 2001 Lander,"  Conf. Record of the 5th International Conference on Mars, Pasadena CA, July 18-23 1999.

G. Landis, "Solar Power and Resources on Mars," presented at the 1999 AIAA Annual Technical Symposium, May 28 1999, Houston TX.

G. Landis, "Microwave Pushed Interstellar Sail," presented at 10th NASA /AIAA Advanced Space Propulsion Workshop, April 5-8 1999, Huntsville AL.

D. Kaplan, J. Ratliff, R. Baird, G. Sanders, K. Johnson, P. Karlman, K. Juanero, C. Baraona, G. Landis, P. Jenkins, and D. Scheiman, "In-Situ Propellant Production on Mars: the First Flight Demonstration," presented 30th Lunar & Planetary Science Conf., Houston TX, Mar 15-19 1999.

G. Landis, B. McKissock, and S. Bailey, "Power Systems," presented at "Human Space Flight - Analysis and Design: An Integrated, Systematic Approach," American Astronautical Society, Houston, TX, February 17-19, 1999.

G. Landis and A. Sexton, "An Engineering Research Testbed for Photovoltaics," presented at Space Technology & Applications International Forum 99, Conference on Space Station Utilization, Albuquerque NM, 30 Jan.- 4 Feb. 1999; AIP Conference Proceedings 458, 438-441.

D. Scheiman, G. Landis, and V. Weizer, "High-Bandgap Solar Cells for Near-Sun Missions," presented at Space Technology & Applications International Forum (STAIF-99), Conf. on Global Virtual Presence, Albuquerque NM, 30 Jan.- 4 Feb. 1999; AIP Conference Proc. 458, 616-620.

J. C. Kolecki and G. Landis , "Electrostatic Charging of the Mars Pathfinder Rover and Electrical Charge Phenomena on Mars, " paper AIAA-99-0377, 37th AIAA Aerospace Sciences Meeting and Exhibit, Reno NV, Jan. 11-14, 1999.

P. Jenkins and G. Landis, "Dust Accumulation and Removal Test on the Mars-2001 Surveyor Lander," presented at the Am. Geophys. Union Fall meeting, San Francisco CA, Dec. 6-10 1998.

G. Landis, S. Bailey and A. Sexton, "A Testbed for Testing Materials Properties in Space," MRS Symposium Proceedings Series, Volume 551, 79-82 (1999), presented at the Materials Research Society meeting, Boston, MA, Nov. 30-Dec. 4 1998.

A. Hepp, D. Linne, and G. Landis, "Metal Alloy Propellants Produced from Lunar Resources,"  MRS Symposium Proceedings Series, Volume 551, 39-47 (1999); presented at the Materials Research Society meeting, Boston MA, Nov. 30-Dec. 4 1998.

G. Landis and P. Jenkins, "Materials Adherence Experiment on Mars Pathfinder," presented at the Materials Research Society meeting, Boston, MA, Nov. 30-Dec. 4 1998.

G. Landis, "Solar Cells on Mars" (invited paper) 3rd International Workshop on Radiation Effects on Semiconductor Devices for Space Application, Takasaki, Japan, Oct. 12 -13 1998.

G. Landis, "Photovoltaic Power for Mars," presented at the Founding Convention of the Mars Society, Aug. 13-16 1998, Boulder CO.

G. Landis, "Polar Options for a First Mars Expedition," paper MAR-98-082; Proc. of the Founding Convention of the Mars Society, Vol. 3, Univelt Publishing, San Diego, 835-842 (1999).  Presented at the Founding Convention of the Mars Society, Aug. 13-16 1998, Boulder CO.

G. Landis, "The Mars ISPP Precursor (MIP) Experiment on the Mars-2001 Surveyor Lander," presented at the Founding Convention of the Mars Society, Aug. 13-16 1998, Boulder CO.

G. Landis, “Sails and Beamed Energy Propulsion,” presentation to Workship on Robotic Interstellar Exploration in the Next Century, Pasadena CA, July 28-31, 1998; see also: G. Landis, “Report of the Splinter Group on Beamed Energy Propulsion,” Robotic Interstellar Exploration in the Next Century Workship Summary, Pasadena CA, July 28-31, 1998

G. Landis, "Compression Structures for Earth Launch," paper AIAA-98-3737, 24th AIAA/ASME/SAE/ASEE Joint Propulsion Conf., July 13-15, 1998, Cleveland OH.  In earlier form: 7th Advanced Space Propulsion Workshop, Jet Propulsion Laboratory, 9-11 April 1996.

G. Landis, "Reactionless Orbital Capture Using Tethers," paper AIAA-98-3406, 24th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, July 13-15, 1998, Cleveland OH.  In slightly earlier form: 8th Advanced Space Propulsion Workshop, JPL 13-15 May, 1997.

G. Landis and S. Bailey, "Photovoltaic Engineering Testbed on the International Space Station," 2nd World Conf. Photovoltaic Energy Conversion, Vol. III, Vienna, Austria, July 1998, 3564-3567.

G. Landis, P. Jenkins, C. Baraona, D. Wilt, M. Krasowski and L. Greer, "Mars Dust Accumulation and Removal Technology (DART) on the Mars-2001 Surveyor Lander," 2nd World Conf. on Photovoltaic Energy Conversion, Vol. III, Vienna, Austria, July 1998, 3699-3702.

D. Scheiman, C. Baraona, D. Wilt, G. Landis and P. Jenkins, "Mars Array Technology Experiment (MATE) on the Mars-2001 Lander," 2nd World Conference on Photovoltaic Energy Conversion, Vol. III,  Vienna, Austria, July 1998, 3675-3678.

G. Landis, "Materials Refining for Structural Elements from Lunar Resources," Workshop on Using In-situ Resources for Construction of Planetary Outposts (M.B. Duke, ed.), Lunar and Planetary Institute Technical Report 98-01, p. 11 and pp. 43-46 (1998).

G. Landis, "Testing the Electrical Source Term in Einstein's Equation," Bulletin of the American Physical Society, Vol. 43, No. 2, 1201; presented at the American Physical Society/Am. Assoc. Physics Teachers Joint Meeting, Columbus OH, April 18-21 1998.

S. Bailey, G. Landis and D. Flood, "Photovoltaic Space Power: Status and Future," paper AIAA-98-1053, 36th Aerospace Sciences Meeting & Exhibit, Reno NV, Jan 12-15 1998.

G. Landis, "Return to the Red Planet," invited talk, 26th IEEE Photovoltaic Specialists Conference, Anaheim CA, Sept. 29-Oct. 3 1997; also OAI Distinguished Lecturer Series, Ohio Aerospace Institute, June 20, 1997.

J. Appelbaum, T. Segalov, P. Jenkins, G. Landis and C. Baraona, "Verification of the Mars Solar Radiation Model Based on Pathfinder Data," Proc. 26th IEEE Photovoltaic Specialists Conference, Anaheim, CA, Sept. 29-Oct. 3 1997, 1039-1042.

G. Landis and P. Jenkins, "Dust on Mars: Materials Adherence Experiment Results from Mars Pathfinder," Proceedings of the 26th IEEE Photovoltaic Specialists Conference, Anaheim CA, Sept. 29-Oct. 3 1997, 865-869.

G. Landis, "An Alcubierre Drive Using Cosmic String," NASA Breakthrough Propulsion Workshop, August 12-14, 1997, Cleveland OH.  NASA CP-1999-208694, 243-245 (1999).

P. Jenkins, G. Landis, and L. Oberle, "Materials Adherence Experiment: Technology," paper IECEC-97339, Proceedings of the 32nd Intersociety Energy Conversion Engineering Conference, Vol. 1, 728-731, July 27-Aug. 1 1997, Honolulu HI.

G. Landis, P. Jenkins and G. Hunter, "Materials Adherence Experiment: Early Results," paper IECEC-97340, Proceedings of the 32nd Intersociety Energy Conversion Engineering Conference, Vol. 1, 732-733, July 27-Aug. 1 1997, Honolulu.

G. Landis, "Solar Array Production on the Moon," SPS-97: Space and Electric Power for Humanity, Aug. 24-28, 1997, Montreal, Canada, pp. 311-318.

G. Landis, "A Supersynchronous Solar Power Satellite," SPS-97: Space and Electric Power for Humanity, Aug. 24-28, 1997, Montreal, Canada, pp. 327-328.

G. Landis, "Space Solar Array Technology 1997," SPS-97: Space and Electric Power for Humanity, Aug. 24-28, 1997, Montreal, Canada, pp. 125-128.

G. Landis, C. Baraona, D. Scheiman, and D. Brinker, "Exploring PV on the Red Planet: Mars Array Technology Experiment and Dust Accumulation and Removal Technology," presented at the Space Photovoltaics Research and Technology 1997, Cleveland OH, June 10-12, 1997.

G. Landis, "Materials Refining for Solar Array Production on the Moon," presented at Workshop on Space Resource Utilization, Lunar and Planetary Institute, Houston TX, Dec. 11-12 1996.

G. Landis, "Reinventing the Solar Power Satellite," presented at the International Space Development Conference, New York, May 23-27, 1996.

J. Yater, G. Landis, S. Bailey, L. Olsen and W. Addis, "ZnSe Window Layers for GaAs Solar Cells," Proceedings of the 25th IEEE Photovoltaic Specialists Conference, Washington DC, May 13-17 1996, 65-68.

G. Landis, "Calculated Performance of Reflectance-Reducing Covers for Solar Cells," Proc. of the 25th IEEE Photovoltaic Specialists Conf., Washington DC, May 13-17 1996, 1335-1338.

D. Wilt, N. Fatemi, P. Jenkins, R. Hoffman, G. Landis and R. Jain, "Monolithically Interconnected InGaAs TPV Module Development," Proceedings of the 25th IEEE Photovoltaic Specialists Conference, Washington DC, May 13-17 1996, 43-48.

S. Bailey, G. Landis and N. Fatemi, "InP and GaAs Texture Etching," presented at 13th European Photovoltaic Solar Energy Conference, Nice France, Oct. 23-27, 1995.

G. Landis and P. Jenkins, "Development of a Solar-Cell Dust Opacity Measurement Instrument for Mars Pathfinder," Space Photovoltaics Research and Technology 1995, NASA CP-3324, 313-319; presented at SPRAT-XIV, NASA Lewis Research Center, Oct. 24-26 1995.

G. Landis, "Solar Power Satellites: Summary of a Workshop Held at SPRAT-XIV," Space Photovoltaics Research and Technology 1995, NASA CP-3324, 325-327; presented at the SPRAT-XIV Conference, NASA Lewis Research Center, Oct. 24-26 1995.

D. Wilt... G. Landis, et al., "Thermophotovoltaic Energy Conversion," Technology 2005, Oct. 1995.

R. Jain and G. Landis, "High Efficiency Solar Cells for Laser Power Beaming Applications," presented at the 4th European Space Power Conference, 4-8 September 1995, Poitiers, France.

P. Jenkins and G. Landis, "A Rotating Arm Using Shape-memory Alloy," presented at Space Mechanisms Conference, NASA Johnson Space Center, Houston, TX, 17-19 May 1995.

G. Landis and S. Bailey, "Use of Advanced Solar Cells for Commercial Communication Satellites," 12th Symposium on Space Nuclear Power & Power from Space, Albuquerque NM, 8-12 Jan. 1995, AIP Conference Proceedings Volume 324, 1011-1015.  Also presented at 1st World Photovoltaic Energy Conversion Conf., Hawaii, Dec. 1994, 2002-2005.

G. Landis and S. Bailey, "Advances in Solar Cell Technology," 12th Symposium on Space Nuclear Power & Power from Space, Albuquerque, 8-12 Jan. 1995, AIP Conference Proceedings Volume 324, 1001-1010.

J. Yater, I. Weinberg, P. Jenkins and G. Landis, "Minority Carrier Lifetime in InP as a Function of Light Bias," Proceedings of the 1st World Photovoltaic Energy Conversion Conference,  Hawaii, Dec. 1994, 1709-1712.

R. Jain and G. Landis, "Transient Response of GaAs and Silicon Solar Cells Under Laser Pulse," Proc. 1st World Photovoltaic Energy Conversion Conf., Hawaii, Dec. 1994, 1874-1879.

G. Landis, "Dust-Induced Degradation of Solar Arrays on Mars," Proceedings of the 1st World Photovoltaic Energy Conversion Conference, Hawaii, Dec. 5-9 1994, 2030-2033.

J. Yater, R. Lowe, P. Jenkins and G. Landis, "Pulsed Laser Illumination of Solar Cells," Proc. 1st World Photovoltaic Energy Conversion Conference, Hawaii, Dec. 5-9 1994, 2177-2180.

G. Landis, "Magnetobraking: Use of Tether Electrodynamic Drag for Earth Return from Mars," Paper IAF-94-417, 45th International Astronautical Federation Con., Jerusalem, Oct. 9-14 1994.

R. Jain, D. Wilt, G. Landis, R. Jain, I. Weinberg and D. Flood, "Modeling of Low-Bandgap Solar Cells for Thermophotovoltaic Applications," 1st Conference on Thermophotovoltaic Energy Systems, Colorado, July 25-28 1994, AIP Conference Proceedings Volume 321, 202-220 (1995).

G. Landis, "Erosion Shields for Interstellar Dust," Planetary Society Conference on Practical Robotic Interstellar Flight, NY University, Aug 29-Sept. 1, 1994.

G. Landis, "Small Laser-Pushed Lightsail Interstellar Probe," Planetary Society Conference on Practical Robotic Interstellar Flight, NY University, Aug. 29-Sept. 1, 1994.

D. Wilt, N. Fatemi, R. Hoffman, P. Jenkins, D. Scheiman, R. Lowe and G. Landis, "InGaAs Photovoltaic Device Development for TPV Power Systems," 1st Conf. on Thermophotovoltaic Energy Systems, Colorado, July 25-28 1994, AIP Con. Proceedings Volume 321, 210-220 (1995).

R. Jain and G. Landis, "Modeling of High Efficiency Solar Cells Under Laser Pulse for Power Beaming Applications," Proceedings of the XIII Space Photovoltaic Research and Technology Conference, NASA CP-3278, NASA Lewis Research Center, June 1994, 135-140.

G. Landis, "Review of Solar Cell Temperature Coefficients for Space," Proc. XIII Space Photovoltaic Research and Technology Conference, NASA CP-3278, NASA Lewis Research Center, June 1994, 385-400.

J. Yater, R. Lowe, P. Jenkins and G. Landis, "Pulsed Laser Illumination of Photovoltaic Cells," Proceedings of the XIII Space Photovoltaic Research and Technology Conference, NASA CP-3278, NASA Lewis Research Center, June 14-16 1994, 353-362.

R. Jain and G. Landis, "Modeling of High Efficiency Concentrator Solar Cells Under Laser Pulse," presented at SPIE Optics, Electro-optics, and Laser Conference, Los Angeles CA, Jan. 24-28 1994; paper in Laser Power Beaming, SPIE Proceedings Volume 2121, 264-268.

G. Landis, "Prospects for Solar Pumped Semiconductor Lasers," SPIE Optics, Electro-optics & Laser Conference, Los Angeles CA, Jan. 24-28 1994; Laser Power Beaming, SPIE Proceedings Volume 2121, 58-65.

G. Landis, "Applications for Space Power by Laser Transmission," SPIE Optics, Electro-optics & Laser Conference, Los Angeles CA, Jan. 24-28 1994; Laser Power Beaming, SPIE Proceedings Vol. 2121, 252-255.

G. Landis, "Effect of Dust Deposition on Performance of Solar Arrays on Mars," Tech. Digest 7th International Photovoltaic Science and Engineering Conf., Nov. 1993, Nagoya Japan, 615.

S. Bailey, G. Landis, N. Fatemi and M. Young, "Maskless Texture Etching of GaAs and InP," Technical Digest of the 7th International Photovoltaic Science and Engineering Conference, 22-26 Nov. 1993, Nagoya Japan, 617.

G. Landis, P. Jenkins, R. Lowe and R. Jain, "Solar Cells for Laser Power Receivers," Tech. Digest of 7th Int. Photovoltaic Science and Engineering Conf., Nov. 1993, Nagoya Japan, 616.

D. Burger and G. Landis, "Solar Array Corrections for the Mars Surface," presented at Case for Mars V, Boulder CO, 26-29 May 1993.

G. Landis, "Instrumentation for Measurement of Dust Deposition on Solar Arrays on Mars," presented at Case for Mars V, Boulder CO, 26-29 May 1993.

S. Bailey and G. Landis, "Solar Lunar Power," Second ISU Alumni Conference, NASA CP-3253, 8-25 (1993).

R. Jain, G. Landis, D. Wilt and D. Flood, "Lattice-mismatched InxAl1-xAs Window Layers for Indium Phosphide Solar Cells," Proc. 23rd IEEE Photovoltaic Specialists Conference, Louisville KY, May 1993, 757-762.

G. Landis, "The Need for Vision," closing address to Vision-21: Interdisciplinary Science and Engineering in the Era of CyberSpace, NASA Conference Publication 10129, 7, NASA Lewis Research Center, Cleveland OH, 30-31 March 1993.

J. Bozek, S. Oleson, G. Landis and M. Stavnes, "Comparisons of Selected Laser Beamed Power Missions to Conventionally Powered Missions," Proceedings of the 1st Annual Wireless Power Transmission Conference, 23-25 Feb. 1993, San Antonio TX, 61-83.

G. Landis and R. Jain, "Approaches to Solar Cell Design for Pulsed Laser Power Receivers," Proceedings of the 1st Annual Wireless Power Transmission Conference, 23-25 February 1993, San Antonio TX, pp. 551-564; also in Proc.  XII Space Photovoltaic Research and Technology Conference, NASA CP-3210, NASA Lewis Research Center, 20-22 October 1992, 155-166.

B. Anspaugh, R. Mueller, G. Landis and R. Lowe , "Results of Illuminating Various Solar Cells with Pulsed Laser Beams," JPL Publication 92-25, November 1, 1992.

G. Landis, R. Lowe and P. Jenkins, "Efficiency of Photovoltaic Cells Exposed to Pulsed Laser Light," Proceedings of the XII Space Photovoltaic Research and Technology Conference, NASA CP-3210, NASA Lewis Research Center, Oct. 20-22 1992, 78-87.

R. Jain, G. Landis and D. Flood, "Surface Passivation of InP Solar Cells with InAlAs Layers," Proceedings of the XII Space Photovoltaic Research and Technology Conference, NASA CP-3210, NASA Lewis Research Center, Oct. 20-22 1992, 129-146.

G. Landis and S. Bailey, "Advances in Photovoltaic Technology," paper IAF-92-0599, 43rd International Astronautics Federation Congress, 28 Aug.-5 Sept. 1992, Washington DC.

G. Landis and L. Westerlund, "Laser Beamed Power: Satellite Demonstration Applications," paper IAF-92-0600, 43rd IAF Congress, 28 Aug.-5 Sept. 1992, Washington DC; available as NASA CR-190793.

R. Jain and G. Landis, "InP Solar Cells for Laser Power Beaming Applications," Proc. 27th Intersociety Energy Conversion Engineering Conf., Aug. 1992, San Diego CA., Vol. 1, 303-307.

G. Landis, "Space Power by Ground-Based Laser Transmission," AIAA-92-3024, 22nd AIAA Plasma Dynamics and Laser Conference, Nashville, TN July 1992.

J.E. Colvin and G. Landis, "Effect of Inert Propellant Injection on Mars Ascent Vehicle Performance," AIAA-92-3447, Joint Propulsion Conf., Nashville TN, July 1992; also presented at Case for Mars V, May 26-29 1993, Boulder CO.

G. Landis, M. Stavnes, S. Oleson and J. Bozek, "Space Transfer With Ground-Based Laser/Electric Propulsion," AIAA-92-3213, 28th Joint Propulsion Conference, Nashville TN, July 1992.

P. Jenkins, G. Landis, N. Fatemi, X. Li, D. Scheiman and S. Bailey, "Increased Efficiency by Reduced Reflection of Textured InP Solar Cells," Proceedings of the 4th International Conference on InP and Related Compounds, Newport, RI, April 1992, 186-189.

R. Jain, G. Landis and D. Flood, "Lattice-Matched In(0.52)Al(0.48)As Window Layers for InP Solar Cells," Proceedings of the 4th International Conference on InP and Related Compounds, Newport RI, April 1992, 190-193.

S. Bailey, G. Landis and N. Fatemi, "Texturing of InP for Device Applications," Chemical Surface Preparations, Passivation, and Cleaning for Semiconductor Growth and Processing, MRS Proceedings Volume 259, 1992, 341-346.  Presented at Materials Research Society 1992 Spring Meeting, San Diego CA, April 1992.

P. Jenkins, G. Landis, K. Kneisel and I. Weinberg, "Minority Carrier Lifetime in InP," Proc. 22nd. IEEE Photovoltaic Specialists Conference, Las Vegas, NV, Oct. 1991, Vol. I, 177-181.

S. Bailey, G. Landis and N.S. Fatemi, "Enhancing Optical Absorption in GaAs and InP Utilizing Profile Etching," Proceedings of the 22nd IEEE Photovoltaic Specialists Conference, Las Vegas, NV, Oct. 1991, Vol. I, 235-240..

R. Jain and G. Landis, "Effect of InAlAs Window Layers on InP Solar Cells," Proceedings of the 22nd IEEE Photovoltaic Specialists Conference, Las Vegas NV, Oct. 1991, Vol. I, 341-346.

G. Landis, "Laser-Powered Interstellar Probe," APS Bulletin, Vol. 36 (5), 1687-1688 (1991).

J. Appelbaum and G. Landis, "Solar Radiation for Mars Power Systems," Proc. European Space Power Conf., 2-6 Sept. 1991, Florence, Italy; publication ESA SP-320, 707-712 (1991).

G. Landis and A. Hepp, "Thin-Film Photovoltaics: Status and Applications to Space Power," Proceedings of the European Space Power Conference, 2-6 Sept. 1991, Florence Italy; pub. ESA SP-320, 517-522 (1991).

G. Landis, "High Performance Laser-Pushed Lightsails: Materials Considerations," DOE Workshop on Beamed Power, PNL-SA-19599, p. 28, and supplement, pp. TNP1 1-3 (1991).

G. Landis and J.M. Hickman, "Laser-PV Synergy for SEI Applications," paper AIAA-91-3419, SEI Technology Conference, Cleveland OH, Sept. 1991.

A. Hepp and G. Landis, "In-Situ Carbon Dioxide Fixation on Mars," Proceedings of the 26th Intersociety Energy Conversion Engineering Conference,  Aug. 1991, Vol. 2, 68-73.

G. Landis and A. Hepp, "Applications of Thin-Film PV for Space," Proceedings of the 26th Intersociety Energy Conversion Engineering Conference, Aug. 1991, Vol. 2, 256-261.

G. Landis, "Magnetic Radiation Shielding: an Idea Whose Time has Returned?" Space Manufacturing 8: Energy and Materials from Space, 383-386 (AIAA, 1991); presented at 10th Princeton Space Manufacturing Conference, May 1991, and at NY State Conference on Superconductivity and Applications, Buffalo, NY Sept. 1991.

G. Landis, "Tether Methods for Reactionless Orbital Propulsion," Space Manufacturing 8: Energy and Materials from Space, 387-391 (AIAA, 1991); presented at 10th Princeton Space Manufacturing Conference, May 1991.

A. Hepp, G. Landis and D.L. Linne, "Material Processing With Hydrogen and Carbon Monoxide on Mars," Space Manufacturing 8: Energy and Materials from Space, 150-158 (AIAA 1991); presented 10th Princeton Space Manufacturing Conference, May 1991.

G. Landis, "Space Power by Laser Illumination of Photovoltaic Arrays," Space Photovoltaic Research and Technology 1991, NASA CP-3121, p. 24-1 to 24-5, May 1991.

S. Bailey, N. Fatemi, G. Landis and P. Jenkins, "Grooved Surfaces on InP," Space Photovoltaic Research and Technology 1991, NASA CP-3121, p. 5-1 to 5-6, May 1991.

A. Hepp, G. Landis and C. Kubiak, "A Chemical Approach to Carbon Dioxide Utilization on Mars," Resources of Near Earth Space, Tucson AZ, 7-10 Jan. 1991.

A. Zuppero and G. Landis, "Mass Budget for Mining the Moons of Mars," presented at Resources of Near Earth Space Conference, Tucson AZ, 7-10 January, 1991.

G. Landis and A. Zuppero, "Optimum Rocket Propulsion for Energy-Limited Transfer," presented at Resources of Near Earth Space Conference, Tucson, Arizona, 7-10 January, 1991.

P. Jenkins and G. Landis, "Surface Etching for Light Trapping in Encapsulated InP Solar Cells," Proceedings 3rd Int. Conf. on InP and Related Compounds, Cardiff Wales, April 1991, 164-167.

G. Landis, P. Jenkins and I. Weinberg, "Photoluminescence Lifetime in InP," Proc. 3rd International Conference on InP and Related Compounds, Cardiff Wales, April 1991, 636-639.

D. Flood, S. Bailey and G. Landis, "Comparison of Advanced Power Systems for Space Station Freedom," Proceedings of the 5th International Photovoltaic Science and Engineering Conference, Kyoto Japan, 567-570 (1990).

G. Landis, "Novel Propellants Derived from Atmospheric CO2 on Mars," paper AAS 90-320, The Case For Mars IV, AAS Science and Technology Series Volume 90, 193-198 (1997).

G. Landis and J. Appelbaum, "Photovoltaic Power System Operation on Mars," paper AAS 90-247, The Case For Mars IV, June 4-8, 1990, Boulder CO; in AAS Science and Technology Series Volume 90 , 281-294 (1997).

D. Wilt, R. Thomas, S. Bailey, D. Brinker, F. DeAngelo, N. Fatemi and G. Landis, "Peeled Film GaAs Solar Cell Development," Proc. 21st IEEE Photovoltaic Specialists Conf., Orlando, FL, May 1990, Vol. 1, 111-114.

J.M. Hickman, H. Curtis and G. Landis, "Design Considerations for Lunar Base PV Power Systems," Proc. 21st IEEE Photovoltaic Specialists Conference, Orlando, FL, May 1990, Vol. 2, 1256-1262.

G. Landis and J. Appelbaum, "Design Considerations for Mars PV Power Systems," Proceedings of the 21st IEEE Photovoltaic Specialists Conf., May 1990, Vol. 2, 1263-1270.

G. Landis, "A Light-trapping Solar Cell Coverglass," Proceedings of the 21st IEEE Photovoltaic Specialists Conference, Orlando, FL, May 1990, Vol. 2, 1304-1307.

S. Bailey, G. Landis and M. Perino, "Photovoltaic Superiority for Space Station Freedom Power in the 21st Century," Proceedings of the 21st IEEE Photovoltaic Specialists Conference, Orlando, FL, May 1990; Vol. 2, 1356-1361.

S. Bailey, N. Fatemi, G. Landis, D. Brinker, M. Faur and M. Faur, "Application of V-Groove Technology to InP Solar Cells," Proceedings of the 2nd International Conference on InP and Related Compounds, Boulder, CO, Apr. 1990, 73-79.

G. Landis, "Reactionless Propulsion Using Tethers," Vision-21 Symposium Proceedings, NASA CP-10059, April 1990, 330-340.

G. Landis and R. Cull, "Application of Thin Film Technology Toward a Low-Mass Solar Power Satellite," Vision-21 Symposium Proceedings, NASA CP-10059, April 1990, 494-500.

J. Appelbaum and G. Landis, "Feasibility of Solar Power for Mars," Space Photovoltaic Research and Technology 1989, NASA CP-3107, NASA Lewis Research Center, 223-256 (1991).

G. Landis, "Review of Thin-Film Solar Cell Technology and Applications for Ultra-Light Space Solar Arrays," Space Photovoltaic Research and Techn. 1989, NASA CP-3107, 180-203 (1991).

S. Bailey, D. Wilt, N. Fatemi, G. Landis and R. Thomas, "GaAs Solar Cells with V-grooved Emitters," Proc. European Space Power Conference, Oct. 1989, ESA SP-294, Madrid, Spain, 515-518 (1989).

G. Landis, "Optics and Materials Considerations for a Laser-propelled Lightsail," Paper IAA-89-664, 40th IAF Congress, Torremolinos Spain, Oct. 7-13, 1989.

G. Landis, "Solar Power for the Lunar Night," Space Manufacturing 7: Space Resources to Improve Life on Earth, 290-296 (AIAA, 1989).  Presented at 9th Princeton/SSI Conf. on Space Manufacturing, May 10-13 1989.

G. Landis and M. Perino, "Lunar Production of Solar Cells: a Near-Term Product for a Lunar Industrial Facility," Space Manufacturing 7: Space Resources to Improve Life on Earth, 144-151 (AIAA, 1989).  Presented at 9th Princeton/SSI Conference on Space Manufacturing, May 10-13 1989.

G. Landis, "Thin, Light-Trapping Silicon Solar Cells for Space," Proc. 20th IEEE Photovoltaic Specialists Conference, Las Vegas, NV; 708-712 (1988).

S. Bailey, N. Fatemi, G. Landis, D. Wilt, R. Thomas and A. Arrison, "A V-Grooved GaAs Solar Cell," Proceedings 20th IEEE Photovoltaic Specialists Conference, Las Vegas NV; 625-628 (1988).

G. Landis, "Lunar Production of Space Photovoltaic Arrays," Proceedings of the 20th IEEE Photovoltaic Specialists Conference, Las Vegas, NV; 874-879 (1988).

G. Landis, J.J. Loferski and R. Beaulieu, "Deposition and Characterization of ZnS/Si Heterojunctions Formed by Vacuum Evaporation," 5th AVS North Coast Symposium, June 1988.

A.F. Hepp, J. Gaier, G. Landis and S. Bailey, "Crystallite Alignment of Polycrystalline Ba2YCu3O(7-x)," Proceedings of the 1988 Superconductor Symposium, Cincinnati OH, June 1988.

G. Landis, "Ultra-thin, Light-Trapping Silicon Solar Cells," Space Photovoltaic Research and Technology 1988, NASA CP-3030, NASA Lewis Research Center, 151-161 (1988).

S. Bailey, G. Landis and D. Wilt, "Chemical Etching and Organometallic Chemical Vapor Deposition on Varied Geometries of GaAs," Space Photovoltaic Research and Technology 1988, NASA CP-3030, NASA Lewis Research Center, 250-263 (1988).

G. Landis and H. Stoddart, "Measurement of Minority Carrier Lifetime by Pulsed Photoabsorption Decay," Proceedings of the 19th IEEE Photovoltaic Specialists Conference, New Orleans, LA; 761-763 (1987).

G. Landis and N. Pearsall, "Assessment of Critical R&D Issues for Thin-Film PV Technologies," Proceedings of 19th IEEE Photovoltaic Specialists Conference, New Orleans, LA; 1435-1440 (1987).

C. Case, G. Landis, R. Beaulieu, et al., "Wide-Bandgap Passivation Layers on Silicon," Proc. 19th IEEE Photovoltaic Specialists Conference, New Orleans, LA; 391-404 (1987).

G. Landis and J.J. Loferski, "Epitaxial Heterojunction Windows for Silicon Devices," APS New England Section Meeting, Boston MA, Oct. 1984; abstract in Bulletin of the American Physical Society, Vol. 30, No. 2, 125 (1985).

S. Tobin and M. Nowlan and G. Landis, "Design, Processing, and Assembly of Large Area Concentrator Cells and Subassemblies," Proceedings of the 16th IEEE Photovoltaic Specialists Conference San Diego CA; 607-610 (1982).

G. Landis et al., "Apparatus and Technique for Pulsed Electron Beam Annealing for Solar Cell Production," Proc. 15th IEEE Photovoltaic Specialists Conf., Orlando FL; 976-980 (1981).

A. Armini, G. Landis and P. Younger, "An Automated Process Sequence Using Preformed Cell Contacts and Interconnects," Proceedings of the 15th IEEE Photovoltaic Specialists Conference, Orlando FL; 455-459 (1981).

P. Younger, R. Tobin, G. Landis, W. Kreisman and M. Nowlan, "Development of Glass Encapsulation Techniques for Terrestrial Photovoltaic Arrays," Proceedings of the 14th IEEE Photovoltaic Specialists Conference, San Diego, CA; 965-969 (1980).

P. Younger, G. Landis and R.G. Tobin, "Integral Glass Covering of Spacecraft Solar Cells by Electrostatic Bonding," Proceedings of the 14th IEEE Photovoltaic Specialists Conference, San Diego, CA; 1240-1245 (1980).

P. Younger, W. Kreisman, G. Landis, A. Kirkpatrick and R.F. Holze, "Terrestrial Solar Arrays with Integral Glass Construction," Proceedings of the 13th IEEE Photovoltaic Specialists Conference, DC; 729-732 (1978).

 

NASA Tech Briefs and Technical Memoranda:

G. Landis, T. Kerslake, P. Jenkins and D. Scheiman, "Mars Solar Power," NASA TM-2004-213367 (2004).

G. Landis and A. Colozza, "Solar Airplane for Venus, " Research and Technology 2003, NASA TM 2004-212729, 47-48 (2004).

G. Landis and K. Mellot, "Stirling  Cooler for Venus Exploration, " Research and Technology 2003, NASA TM 2004-212729, 49-50  (2004).

G. Landis, S. Bailey, R. Rafaelle, and I. Krainsky, "Thermionic Emission of Single Wall Carbon Nanotubes," Research and Technology 2003, NASA TM 2004-212729, 51 (2004).

G. Landis, "Reinventing the Solar Power Satellite," NASA TM-2004-212743 (2004).

A. Colozza, G. Landis, and V. Lyons, "Overview of Innovative Aircraft Power and Propulsion Systems and Their Applications for Planetary Propulsion," NASA Technical Memorandum TM 2003-212459 (2003).

G. Landis, "Astrobiology: the Case for Venus," NASA TM 2003-212310 (2003).

G. Landis, "Photovoltaic Engineering Testbed Designed for Calibrating Photovoltaic Devices in Space," Research & Technology 2001, NASA TM 2002-212333, 50-51 (2002).

R. Raffaelle, A. Hepp, G. Landis and D. Hoffman, "Mission Applicability Assessment of Integrated Power Components and Systems," NASA CP-2002-211831, 187-194.

G. Landis, C. LaMarre and A. Colozza, "Atmospheric Flight on Venus" (paper AIAA-2002-0819), NASA Technical Memorandum 2002-211467 (2002).

D. Hoffman, R. Rafelle, G. Landis, and A. Hepp, Mission Applicability and Benefits of Thin-Film Integrated Power Generation and Energy Storage" (paper IECEC2001-AT-21), NASA Technical Memorandum TM-2001-211097 (2001).

G. Landis, "Instrument Package Developed for Investigating Atmospheric Dust on Mars," Research & Technology 2000, NASA TM-2001-210605, 37-38 (2001).

G. Landis, "Mars Array Technology Experiment," Research & Technology 2000, NASA TM-2001-210605, 39 (2001).

G. Landis, "Lightweight Sun Position Sensor Developed," Research & Technology 2000, NASA TM 2001-210605, 40 (2001).

J. Appelbaum, T. Segalov, P. Jenkins, G. Landis and C. Baraona, "Verification of the Mars Solar Radiation Model Based on Pathfinder Data," NASA Tech. Memorandum TM-113167 (1997).

G. Landis, "Measuring Dust on Mars," Research & Technology 1997, NASA TM 1998-206312 (1998).

S. Bailey, N. Fatemi and G. Landis, "Texture Etching of Indium Phosphide," Laser Tech Briefs, Dec. 1996, 8a (NASA Tech Briefs, Vol. 20, No. 12).

G. Landis and S. Bailey, "Use of Advanced Solar Cells for Commercial Communication Satellites," NASA Technical Memorandum TM-106879 (1994).

G. Landis, P. Jenkins, and L. Oberle, "Power Technology: Tiny Sensors Will Measure Mars Dust,"Research & Technology 1994, NASA TM-106794 (1995) 91-92.

J.M. Hickman, H. Curtis and G. Landis, "Design Considerations for Lunar Base PV Power Systems," NASA Technical Memorandum TM-106342 (1990).

J. Appelbaum and G. Landis and I. Sherman, "Solar Energy on Mars: Stationary Photovoltaic Array," NASA Tech Memorandum TM-106321 (1993).

R. Jain, G. Landis, D. Wilt and D. Flood, "Lattice-mismatched InxAl1-xAs Window Layers for Indium Phosphide Solar Cells," NASA Technical Memorandum TM-106255 (1993).

S. Bailey, G. Landis et al., "More About V-Grooves," NASA Tech Briefs, Vol. 17 #3, Mar. 1993.

J. Bozek, S. Oleson, G. Landis and M. Stavnes, "Comparisons of Selected Laser Beamed Power Missions to Conventionally Powered Missions," NASA Tech. Memorandum TM-106110 (1993).

J.E. Colvin and G. Landis, "Effect of Inert Propellant Injection on Mars Ascent Vehicle Performance" (AIAA-92-3447) NASA CR-189238 (1992).

S. Bailey, G. Landis and N. Fatemi, "Texturing of InP for Device Applications," NASA Technical Memorandum TM-106061 (1992).

G. Landis, M. Stavnes, S. Oleson and J. Bozek, "Space Transfer With Ground-Based Laser/Electric Propulsion" (AIAA-92-3213) NASA Technical Memorandum TM-106060 (1992).

J. Appelbaum and G. Landis, "PV Arrays for Martian Surface Power," NASA Technical Memorandum TM-105827 (1992).

R. Jain and G. Landis, "Effect of InAlAs Window Layers on InP Solar Cells," NASA Technical Memorandum TM-105354 (1992).

S. Bailey, G. Landis and N.S. Fatemi, "Enhancing Optical Absorption in GaAs and InP Utilizing Profile Etching," NASA Technical Memorandum TM-105325 (1991).

S. Bailey, G. Landis, N. Fatemi and P. Jenkins, "Low Reflectance Surface for Solar Cells," Laser Tech Briefs, Vol. 2 No. 1, Winter 1994, 30.

J. Appelbaum, G. Landis and I. Sherman, "Solar Radiation on Mars: Update 1991," NASA Technical Memorandum TM-105216 (1991).

G. Landis, "Photovoltaic Receivers for Laser Beamed Power," NASA Report CR-189075 (1991).

A. Hepp, D. Linne, G. Landis, M. Wadel and J. Colvin, "Production and Use of Metals and Oxygen for Lunar Propulsion," NASA Technical Memorandum TM-105195 (1991).

G. Landis, "Solar Cell Cover Glass Would Reduce Reflectance Loss," NASA Tech Briefs, Vol. 15 #7, July 1991, p. 22.

A. Hepp, G. Landis and D.L. Linne, "Material Processing With Hydrogen and Carbon Monoxide on Mars," NASA Technical Memorandum TM-104405 (1991).

A. Hepp, G. Landis and C. Kubiak, "A Chemical Approach to Carbon Dioxide Utilization on Mars," NASA Technical Memorandum TM-103728 (1991).

J. Woodyard and G. Landis, "Radiation Resistance of Thin Film Solar Cells," NASA Technical Memorandum TM-103715 (1991).

S. Bailey, G. Landis et al., "V-Grooved GaAs Solar Cell," NASA Tech Briefs, Vol. 15 #2, Feb. 1991, p. 16.

D. Wilt, R. Thomas, S. Bailey, D. Brinker, F. DeAngelo, N. Fatemi and G. Landis, "Peeled Film GaAs Solar Cell Development," NASA Technical Memorandum TM-103125 (1990).

G. Landis, "Solar Power for the Lunar Night," NASA Tech. Memorandum TM-102127 (1989).

S. Bailey, N. Fatemi, D. Wilt, G. Landis and R. Thomas, "GaAs Solar Cells with V-grooved Emitters," NASA Technical Memorandum TM-102104 (1989).

G. Landis and M. Perino, "Lunar Production of Solar Cells: a Near-Term Product for a Lunar Industrial Facility," NASA Technical Memorandum TM-102102 (1989).

G. Landis, S. Bailey and D. Flood, "Advances in Thin-Film Solar Cells for Lightweight Space Photovoltaic Power," NASA Technical Memorandum TM-102017 (1989).

G. Landis and F. Hrach, "Satellite Relocation by Tether Deployment," NASA Technical Memorandum TM-101992 (1989).

S. Bailey, N. Fatemi, G. Landis, D. Wilt, R. Thomas and A. Arrison, "A V-Grooved GaAs Solar Cell," NASA Technical Memorandum TM-101970 (1988).

G. Landis, J. Loferski and R. Beaulieu, "Deposition and Characterization of ZnS/Si Heterojunctions Formed by Vacuum Evaporation," NASA Tech. Memorandum TM-101359 (1988).

 

Popular Science Articles:

G. Landis, "Let's Orbit Mars: A Proposal to Explore Mars Now," submitted to Ad Astra.

G. Landis and A. Colozza, "Flying on Other Planets," submitted to Ad Astra.

G. Landis, "Robots and Humans in Planetary Exploration: Working Together?" submitted to Ad Astra.

"Rules of Engineering Projects," Analog, April 2004.

G. Landis, "Reminisces of Robert Forward," in Interstellar Exploration, Y. Kondo, ed., Apogee Books (2003).

G. Landis, "Pathfinder: a Personal Retrospective," Spaceflight, Vol. 44, Aug. 2002, 329-333.

G. Landis, "Religion and Space," Macmillan Space Sciences Volume 4, Macmillan Science Library, Macmillan Reference USA, New York, (2002).

G. Landis, "Water, Pink Salt and Cold Dry Gullies: Halobacteria and the Case for Life on Mars," Analog, April 2001.

G. Landis, " Mars: Dead or Alive?" Odyssey magazine, Jan. 2001.

G. Landis, "Onward: to the Pole!" Analog, July 1999.

G. Landis, "Rocket Technology on your Wrist," Final Frontier, October 1998.

G. Landis, "Adventures in the Mars Business," Analog, July 1998.

G. Landis, "Pathfinder Journal: The Summer I Spent on Mars," Final Frontier, April 1998.

G. Landis, "The Melancholy of Infinite Space," Absolute Magnitude, Fall 1996; reprinted in Best of Absolute Magnitude (Tor Books, NY, 1997).

G. Landis, "Space Power by Laser Transmission," SPIE OE Reports, Dec. 1994.

G. Landis, "Interdisciplinary Science in the Era of Cyberspace," Analog, May 1994 (also in NASA CP 10129, 1993).

G. Landis, "Democracy, Spinning Wheels, and the Starship Enterprise," Asimov's SF Magazine, Feb. 1994.

G. Landis, "Coal and Solar Futures" Progress in Photovoltaics, Vol. 1 #4, Oct. 1993, 319-320.

G. Landis, "The Demon Under Hawaii," Analog, July 1992.

G. Landis, "Starships, Robots, and Space Travel in the 21st Century," Analog, April 1991.

G. Landis, "Air Pollution on the Moon," Analog, June 1990.

plus regular contributions to the "Science Forum", SF Age, Oct. 1992-May 2000

 

Conference Papers to be Presented:

M. Wolff, D. Banfield, R. Clancy, A. Ghosh, G. Landis, M. Lemmon, M. Smith, P. Smith, and N. Spanovich, "MER Atmospheric Results: Pancam and Mini-TES," submitted to the American Geophysical Union Meeting, San Francisco CA, Dec. 13-17, 2004.

D. Merritt, S. Houlihan, R. Rafaelle, and G. Landis, "Wide Bandgap Space Solar Cell Development," to be presented, IEEE Photovoltaic Specialist's Conference, Orlando FL, Jan 3-7 2005.

 

Papers Submitted:

L. Haskin... G. Landis, et al., "Water Alteration of Rocks and Soils from the Spirit Rover Site, Gusev Crater, Mars," submitted to Nature.

D. Des Marais... G. Landis, et al., "Astrobiological Perspectives on the Basaltic Plains in Gusev Crater," submitted to Nature.

L. Crumpler... G. Landis,  et al., "MER geologic traverse science by the Spirit Rover in the Gusev plains, Mars, " submitted to Nature.

G. Landis, "Refining Lunar Materials for Solar Array Production on the Moon," J. Propulsion and Power.

Note:

In addition to the papers listed, as a member of the science team of the Mars Exploration Rover misson, I am a co-author on over 100 papers where the listed authorship is "The Athena Science Team."