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木虫 (正式写手)

[求助] 从能带结构图上看,零能隙半导体和半金属的区别

如题
请问大侠们,零能隙半导体和半金属的能带结构图的特点分别是什么?
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fzuer

铜虫 (小有名气)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
cash_ms: 金币+5, ★★★★★最佳答案 2013-03-10 21:54:35
fzx2008: 金币+2, 谢谢回帖! 2013-03-13 14:46:39
A semimetal is a material with a very small overlap between the bottom of the conduction band and the top of the valence band. A semimetal thus has no band gap and a negligible density of states at the Fermi level.
A metal, by contrast, has an appreciable density of states at the Fermi level because the conduction band is partially filled.
功能材料的DFT计算
2楼2013-03-10 16:20:39
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