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The number of silicon atoms per m3 is 5×1028. This is doped simultaneously with 5×1022 atoms per m3 of Arsenic and 5×1020 per m3 atoms of Indium. Calculate the number of electrons and holes. Given that ni = 1.5×1016 m–3. Is the material n–type or p–type?

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as ne >> nh Semiconductor material is n–type.

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