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zhaohscas1976銀蟲 (小有名氣)
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[求助]
不同分子軌道對(duì)于特殊K點(diǎn)處的貢獻(xiàn)情況分析。
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大家好: 今日,看apl的一片文獻(xiàn):APPLIED PHYSICS LETTERS 94, 113114, 2009。 原文見附件。 在其中有如下一段描述(見原文第三頁): A detailed analysis on the characteristics of atomic orbital contribution of the highest occupied molecular orbital (HOMO) shows that bonding at -point is mainly contributed from the O pz and Zn dz2 states, with equal components from all the six Zn and O in the supercell. For point E and F in Fig. 4, the key bonding characteristics are also the O pz and Zn dz2, but from only two (L=0.48 nm) or four (L=0.47 nm) Zn and O atoms. The analyses indicate that bonding of HOMO at -point is much stronger than that at E or F point. 十分不明白這種計(jì)算是怎么進(jìn)行的,比如要在castep中實(shí)現(xiàn),要怎么做,才能計(jì)算出這樣的性質(zhì)? 望各位高手給予指點(diǎn)。 |
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