Search Results - "Fatemi, N. S."

In Situ Irradiation and Measurement of Triple Junction Solar Cells at Low Intensity, Low Temperature (LILT) Conditions by Harris, R.D., Imaizumi, M., Walters, R.J., Lorentzen, J.R., Messenger, S.R., Tischler, J.G., Ohshima, T., Sato, S., Sharps, P.R., Fatemi, N.S.

“…The performance of triple junction InGaP/(In)GaAs/Ge space solar cells was studied following high energy electron irradiation at low temperature. Cell…”
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Clinical evaluation of desferrioxamine (DFO) for removal of thallium ions in rat by Fatemi, S J, Amiri, A, Bazargan, M H, Tubafard, S, Fatemi, S N

“…An investigation was conducted to evaluate the ability of DFO following the administration of thallium salt in male Wistar rats. Thallium was introduced to…”
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Core level x-ray photoelectron spectroscopy of AuxGay alloys by JAYNE, D. T, FATEMI, N. S, WEIZER, V. G

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The Mars Pathfinder Wheel Abrasion Experiment by Ferguson, Dale C., Wilt, David M., Hepp, Aloysius F., Kolecki, Joseph C., Siebert, Mark W., Jenkins, Phillip P., Scheiman, David A., Fatemi, Navid S., Hoffman, Richard W.

“…On board the Mars Pathfinder spacecraft, launched in December of 1996, was a small roving vehicle named Sojourner. On Sojourner was an experiment to determine…”
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A unique, device-friendly contact system for shallow junction p/n indium phosphide devices by WEIZER, V. G, FATEMI, N. S

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Simple, extremely low resistance contact system to n-InP that does not exhibit metal-semiconductor intermixing during sintering by Weizer, Victor G., Fatemi, Navid S.

“…Contact formation to InP is plagued by the violent metal-semiconductor intermixing that takes place during the contact sintering process. We have discovered a…”
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Non-destructive, ultra-low resistance, thermally stable contacts for use on shallow junction InP solar cells by Weizer, V G, Fatemi, N S, Korenyi-Both, A L

“…We report here on a truly unique contact system, involving Au and Ge, which is easily fabricated, which exhibits extremely low values of contact resistivity,…”
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The formation of low resistance electrical contacts to shallow junction InP devices without compromising emitter integrity by FATEMI, N. S, WEIZER, V. G

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Humidity-induced room-temperature decomposition of Au contacted indium phosphide by Fatemi, Navid S., Weizer, Victor G.

“…It has been found that Au-contacted InP is chemically unstable at room temperature in a humid ambient due to the leaching action of indium nitrate islands that…”
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Metal-silicon reaction rates - The effects of capping by Weizer, Victor G., Fatemi, Navid S.

“…Evidence is presented showing that the presence of the commonly used anti-reflection coating material Ta2O5 on the free surface of contact metallization can…”
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27.5% efficiency InGaP/InGaAs/Ge advanced triple junction (ATJ) space solar cells for high volume manufacturing by Stan, M.A., Aiken, D.J., Sharps, P.R., Fatemi, N.S., Spadafora, F.A., Hills, J., Yoo, H., Clevenger, B.

“…Results of improvements in Emcore's large-area ( a 26.6 cm/sup 2/) triple-junction (3J) space solar cells are presented. Volume production of this…”
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Irradiation and measurement of solar cells at low intensity, low temperature (LILT) conditions by Imaizumi, M., Harris, R.D., Walters, R.J., Lorentzen, J.R., Messenger, S.R., Tischler, J.G., Ohshima, T., Sato, S., Sharps, P.R., Fatemi, N.S.

“…This paper presents measurement and analysis of triple junction InGaP/GaAs/Ge solar cells after irradiation and measurement under low temperature and low…”
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Ultra high-efficiency advanced triple-junction (ATJ) solar cell production at Emcore photovoltaics by Sharps PR, Stan, M.A., Aiken, D.J., Fatemi, N.S., Spadafora, F.A., Hills, J.S., Clevenger, M.B.

“…Emcore Photovoltaics is in volume production of high-efficiency multijunction solar cells for spacecraft applications. Emcore's latest product is the advanced…”
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Sinterless contacts to shallow junction InP solar cells by Weizer, V.G., Fatemi, N.S., Korenyi-Both, A.L.

“…The authors describe two contact systems that provide low contact resistance to InP solar cells that do not require subjecting the current-carrying…”
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Core level x‐ray photoelectron spectroscopy of Au x Ga y alloys by Jayne, D. T., Fatemi, N. S., Weizer, V. G.

“…Five Au–Ga alloys have been studied using x‐ray photoelectron spectroscopy as part of the program to determine alloy effects on core level binding energies and…”
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An X-Ray Photoelectron Spectroscopy Study of Au sub x In sub y Alloys by Jayne, D T, Fatemi, N S, Weizer, V G

“…Four Au--In alloys have been studied by X-ray photoelectron spectroscopy. The binding energies and intensity ratios of the Au 4f sub 7/2 and In 3d sub 5/2 core…”
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Solar array trades between very high-efficiency multi-junction and Si space solar cells by Fatemi, N.S., Pollard, H.E., Hou, H.Q., Sharps, P.R.

“…This paper describes a trade study between state-of-the-art, commercially-available very high-efficiency III-V multi-junction solar cells and advanced…”
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Performance of high-efficiency advanced triple-junction solar panels for the LILT Mission Dawn by Fatemi, N.S., Sharma, S., Buitrago, O., Crisman, J., Sharps, P.R., Blok, R., Kroon, M., Jalink, Cees, Harris, R., Stella, P., Distefano, S.

“…NASA's Discovery Mission Dawn is designed to operate within the solar system's Asteroid belt, where the large distance from the sun creates a low-intensity,…”
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Ultra high-efficiency advanced triple-junction (ATJ) solar cell production at Emcore photovoltaics by Sharps, P R, Stan, M A, Aiken, D J, Fatemi, N S, Spadafora, F A, Hills, J S, Clevenger, M B

“…Emcore Photovoltaics is in volume production of high-efficiency multijunction solar cells for spacecraft applications. Emcore's latest product is the advanced…”
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High efficiency indium gallium arsenide photovoltaic devices for thermophotovoltaic power systems by Wilt, David M., Fatemi, Navid S., Hoffman, Richard W., Jenkins, Phillip P., Brinker, David J., Scheiman, David, Lowe, Roland, Fauer, Maria, Jain, Raj K.

“…The development of indium gallium arsenide (Eg=0.75 eV) photovoltaic devices for thermophotovoltaic power generation is described. A device designed for…”
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