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半導體物理與器件第四版課后習題答案4-全文預覽

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【正文】 or Then or _______________________________________(a) ptype(b) Silicon: or cm Then cm Germanium: or cm Then cm Gallium Arsenide: cm and cm_______________________________________(a) ntype(b) cm cm(c) cm cm_______________________________________ cm ntype_______________________________________ cm So cm, Then cm so that cm_______________________________________ Plot_______________________________________ Plot_______________________________________ Plot_______________________________________ so cm cm_______________________________________(a) ptype Majority carriers are holes cm Minority carriers are electrons cm(b) Boron atoms must be added So cm cm_______________________________________(a) ntype(b) cm electrons are majority carriers cm holes are minority carriers(c) so cm_______________________________________ For Germanium(K) (eV)(cm) and cm(K) (cm) (eV) _______________________________________(a) For cm, eV cm, eV cm, eV cm, eV (b) For cm, eV cm, eV cm, eV cm, eV_______________________________________(a) cm so Now By trial and error, K(b) At K, eV At K, eV cm eV then eV(c) Closer to the intrinsic energy level._______________________________________ At K, eV K, eV K, eV At K, cm At K, cm At K, cm At K and K,
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