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lzn_t木蟲(chóng) (小有名氣)
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[求助]
對(duì)比態(tài)密度與能帶圖時(shí)的疑惑,敬請(qǐng)指教?
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如下圖所示,從能帶圖來(lái)看,沒(méi)有能級(jí)穿過(guò)費(fèi)米面,應(yīng)為非導(dǎo)體;但態(tài)密度圖上費(fèi)米能級(jí)處卻出現(xiàn)一小峰,則應(yīng)該是導(dǎo)體?該怎么處理分析? 能帶圖: 態(tài)密度圖: |
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
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e, thank u... Smearing - Gaussian broadening is applied to the eigenvalues obtained from the CASTEP calculation. Interpolation - eigenvalues (and partial weights for a partial density of states) from the CASTEP calculation are interpolated onto a finer k-point grid. The Interpolation method provides an improved representation of the density of states. However, it can only be used when eigenvalues are available on a Monkhorst-Pack grid with 3 or more points in each direction. |
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
木蟲(chóng) (小有名氣)
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