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Suppose you dope Si with arsenic. How much energy is required to remove the fifth electron...

Suppose you dope Si with arsenic. How much energy is required to remove the fifth electron from the arsenic atoms? Suppose Si is doped with Indium. How much energy is required to “break a bond” near an indium atom? Between boron and indium, which is a better p-type dopant? Make a guess and explain.

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