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Well, to the best I can understand (I'm just learning this stuff, so sorry if I'm wrong) It would be a n-type if you doped the Ga, (i.e. replace a Ga atom with a Si atom, as the Si has an extra electron that would be forced to go to the conduction band. If you doped the As with the Si, it would be a p-type as there would be one fewer electron than normal.

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16y ago

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