| 31. | Early cells used straight gallium arsenide in the middle junction.
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| 32. | For example, copper, indium, gallium and selenide.
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| 33. | Common semiconductor materials include silicon, germanium and gallium arsenide.
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| 34. | Gallium nitrate is also used to synthesize other gallium compounds.
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| 35. | Gallium nitrate is also used to synthesize other gallium compounds.
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| 36. | The graphene was bombarded with gallium ions, which disrupt carbon bonds.
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| 37. | Gallium's relative abundance, compared to indium, lowers costs.
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| 38. | The cells are made of Gallium Arsenide and are 27 % efficient.
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| 39. | The concentrations of molybdenum, vanadium, and gallium were less than.
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| 40. | The gallium scan was not conclusively positive in December.
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