英语词汇direct band gap怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	direct band gap
释义	direct band gap 简明释义直接能隙：半导体材料的导带底的极小值和价带顶的极大值在k空间内对应同一个k值的能带结构，具有这种结构的半导体称为直接跃迁型半导体（或称直接带隙半导体）。直接带隙结构中，电子由价带顶跃迁至导带底时保持k不变，并吸收光子。网络释义 1 ?直接带隙 ... 完整连接带 complete tape 直接带隙 direct band gap 自粘接带 self-bonding tape ... 2 ?直接能带隙 ... 半导体能带隙 SCBG 直接能带隙 direct band gap 宽能带隙电子器件 WIDE ENERGY BANDGAP ELECTRONIC DEVICES ... 短语 1 direct band gap semiconductor 直接带隙半导体 2 direct band-gap 直接带隙 3 The direct-band-gap energy 禁带带宽双语例句 1 Meanwhile the composite exhibits the optical features of a semiconductor with direct band gap. 这种复合结构体系具有直接带隙半导体的光学特性。 2 In recent years, with the extensive application of short wavelength devices, the research of direct wide band gap semiconductor materials attracted more and more attention. 近年来，随着短波长光电器件的逐渐广泛应用，直接宽禁带半导体材料的研究越来越受到人们的重视。
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