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congtou

金虫 (小有名气)

[求助] 文献中关于晶体中载流子浓度问题求教

it should be noticed that the negatively charged oxygen
species from the grain boundaries can act as trapping sites and form
potential barriers or depletion regions to decrease carrier concentration
and mobility.
为什么负价的氧能够作为捕获位,不理解,希望高手指教,万分感谢
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Angusskanal

木虫 (小有名气)

【答案】应助回帖

grain boundary就是缺陷,缺陷的意思就是原子周围的共价键断了,不完整了。当然可以捕获电子。
为科研奋斗终生
2楼2012-06-13 11:25:31
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