半導(dǎo)體物理與器件第四版課后習題答案4(已修改)
2025-07-06 19:35 本頁面
【正文】 .. . . ..學(xué)習參考Chapter 4 where and are the values at 300 K. (a) Silicon(K)(eV)(cm) (b) Germanium (c) GaAs(K)(cm)(cm)_______________________________________ Plot_______________________________________(a) By trial and error, K(b) By trial and error, K_______________________________________ At K, eV At K, eV or or eV Now so cm_______________________________________ For K, eV For K, eV For K, eV(a) For K, (b) For K, (c) For K, _______________________________________(a) Let Then To find the maximum value: which yields The maximum value occurs at (b) Let Then To find the maximum value Same as part (a). Maximum occurs at or _______________________________________ where and Then or _______________________________________ Plot_______________________________________ Plot_______________________________________ Silicon: , eV Germanium: , eV Gallium Arsenide: , eV_______________________________________ (K)(eV)()(eV)_______________________________________(a) meV(b) meV_______________________________________ Let constant Then Let so that We can write so that The integral can then be written as which bees _______________________________________ Let for Then Let so that We can write Then or We find that So
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