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ACCOMPLISHMENTS

Application of GaS in the Passivation of GaAs and Related Alloys. S mall B usiness I nnovation R esearch. GALLIA, Inc. Weston, MA. INNOVATION. A surface coating of Gallium Sulfide (GaS) for Gallium Arsenide (GaAs) and other III-V solar cells. ACCOMPLISHMENTS

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ACCOMPLISHMENTS

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  1. Application of GaS in the Passivation of GaAs and Related Alloys Small Business Innovation Research GALLIA, Inc. Weston, MA INNOVATION A surface coating of Gallium Sulfide (GaS) for Gallium Arsenide (GaAs) and other III-V solar cells • ACCOMPLISHMENTS • Discovered a stable cubic phase of GaS that could passivate the surface of GaAs solar cells, other optoelectronic and microelectronic devices • Developed techniques for determining surface passivation • Developed new passivation technology COMMERCIALIZATION • This passivation technology is used in all cell phones • TRI-QUINT, a manufacturer of microelectronic and optoelectronic devices, purchased GALLIA, Inc. and the passivation technology. The passivation technology was used to improve their GaAs discrete devices 4 Metal-Semiconductor Field-effect Transistors (MESFETS) with GaS Passivation between the GaAs Semiconductor and the Gate Metal • GOVERNMENT/SCIENCE APPLICATIONS • It is used or can be used on solar cells and other GaAs devices for many NASA missions • NASA and the Military benefits by increases in “End of Life” efficiency and reliability with this technology Glenn Research Center Power Technology 3-072 1993 Phase II, NAS3-27219, 9/01 NASA Contact – Roshanak Hakimzadeh Company Contact – Donald Caippenelli

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