英语词汇“energy band”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	energy band
释义	energy band noun physics a range of energies associated with the quantum states of electrons in a crystalline solid. In a semiconductor or an insulator there is a valence band containing many states, most of which are occupied. Above this is a forbidden band with only a few isolated states caused by impurities. Above this is a conduction band containing many states most of which are empty. In a metal there is a continuous valence-conduction band See also energy gap
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