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haodong1121

金虫 (正式写手)

[求助] “价带区域的各DOS峰有向费米能级移动的趋势,说明能带重叠增加”的原理是什么?

这一句来源于Journal of Physics and Chemistry of Solids 68 (2007) 1762-1769(Electronic structure and optical properties of crystalline strontium azide and barium azide by ab initio pseudopotential plane-wave calculations)在分析氮化锶和氮化钡时的话。原话是:With the increment of alkaline-earth metals’ electropositivity of the azides, the peaks of DOS in the valence band region have a tendency shifting to the Fermi level. This is understood that the overlap of the energy bands is increased.
请问各位:这一原理是什么?或者提供该原理的出处也行。初学DOS分析,请多指教。
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xzy401633

金虫 (小有名气)

【答案】应助回帖

★
感谢参与,应助指数 +1
franch: 金币-1, 非应助回帖 2013-09-23 20:46:33
坐等牛人啊。同问,帮顶
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2楼2013-09-23 14:15:56
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haodong1121

金虫 (正式写手)

自己顶!没有大神来指点么?
梦想当学霸+大牛……
3楼2013-09-26 17:08:14
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