浅能级指能量很靠近导带底的电子束缚态,或能量很接近价带顶的空穴束缚态。浅能级中的电子或空穴,在稍高的温度(如室温)就基本上电离而成为在导带中的自由电子和价带中的自由空穴,起导电作用
... shallow level impurity 浅能级杂质 shallow level 浅能级 shallow oxide 半埋入式氧化物 ...
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... shallow diffusion 浅(结)扩散 shallow energy level 浅能级 shallow junction technology 浅结工艺 ...
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浅杂质能级 shallow impurity energy level
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这些深能级的浓度约为浅能级浓度的百分之几。
Their concentrations are only a few percent of shallow levels.
它可以用来探测材料中的缺陷及浅能级杂质,显示其分布。
It can be used for investigation to detect defects and shallow impurities, and to show their distributions in semiconductor materials.
在简单能带结构情况下,我们讨论了电离能与原子性质的关系,及由浅能级向深能级的转化。
In the case of simple band structure, the influence of atomic character on the ionization energy, and the relation between the shallow and the deep levels were discussed.
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