在本征半导体中掺入某些微量元素作为杂质，可使半导体的导电性发生显著变化。掺入的杂质主要是三价或五价元素。掺入杂质的本征半导体称为杂质半导体。制备杂质半导体时一般按百万分之一数量级的比例在本征半导体中掺杂。也叫掺杂半导体。
... impurity level 杂质水平 impurity semiconductor 杂质半导体 imput 输入，输入功率，输入电压，输入端 ...
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... defective restitutionn.非完备解调 defective semiconductorn.杂质半导体 She is a mental defective.她是个心智缺陷者。 ...
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含杂质半导体 [电子] extrinsic semiconductor
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这些材料在技术上可以透过加入少量的杂质（这个过程称作掺质）而转化成更重要的杂质半导体。
Such materials can be converted into the technologically more important extrinsic semiconductors by addition of small amounts of impurities, a process called doping.
研究者发掘出生成更高质量的晶状半导体精密方法，以减少电子或者正电穴由于杂质而受阻的可能性。
Researchers developed sophisticated methods to grow high-quality semiconductor crystals, reducing the likelihood that electrons or holes will become trapped by defects.
提出一种计算掺杂半导体中孤立杂质能级的方法，该方法建立在密度函数理论基础之上。
Basing on the density-functional theory, the paper presents a method of calculating the isolated impurity levels in doped semiconductors.
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