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    魏碑心思朗文詞典
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    energy band

    E 開(kāi)頭單詞

    柯林斯詞典

      energy band

    • 1. N 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 能帶[physics] →see alsoenergy gap

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