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[求助]
vasp 掃描勢(shì)能面
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VASP |
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謝謝您的回復(fù)!在文獻(xiàn)中,作者是想通過(guò)這個(gè)勢(shì)能面來(lái)計(jì)算氫原子在碳納米管表面的遷移勢(shì)壘。對(duì)于這個(gè)勢(shì)能面的做法,他是這樣描述的: The determination of the hydrogen migration barrier on CNT was, however, quite a non-trivial task, because the standard techniques of migration barrier determination did not work well due to the inconvenient geometry of the problem.It turned out methodologically easier to scan the potential surface of hydrogen atom.For this purpose a surface location of the probe hydrogen atom has been fixed and only H distance from the nanotube surface could relax. In order to exclude the global CNT rotation, a pair of carbon atoms far from the hydrogen atom was fixed as well. 一直沒(méi)搞明白他是怎么做的。難道他就是用LOCPOT做的嗎? |
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