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[求助]
超胞的弛豫自洽計(jì)算INCAR如何設(shè)置?與和單胞的弛豫自洽計(jì)算有哪些區(qū)別? 已有1人參與
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在我先前的計(jì)算中,我直接將單胞弛豫自洽計(jì)算的INCAR直接用在超胞弛豫自洽計(jì)算,計(jì)算雖然可以收斂,但卻弛豫到一個(gè)非常離譜的結(jié)構(gòu)。我原來的INCAR如下: NWRITE = 2 ISTART = 0 ICHARG = 2 PREC = Accurate #LPLANE = .TRUE. #NPAR = 4 LORBIT = 11 #LSCALU = .FALSE. LWAVE = .FALSE. LCHARG = .FALSE. ISPIN = 2 #MAGMOM = 0 0 0 0 #NEDOS = 2001 #EMIN = -20 #EMAX = 15 NSIM = 4 #RWIGS = 1.4 1.6 AMIX = 0.2 BMIX = 0.0001 #AMIX_MAG = 0.8 #BMIX_MAG = 0.0001 Electronic Relaxation1 ENMAX = 400 NELM = 80 EDIFF = 1E-4 VOSKOWN = 1 #LDAU = .TRUE. #LDAUTYPE = 1 #LDAUL = 2 2 -1 #LDAUU = 3.0 4.0 0.0 #LDAUJ = 1.0 1.0 0.0 #LMAXMIX = 4 Ionic Relaxation NSW = 15 NBLOCK = 1 KBLOCK = 15 IBRION = 2 ISIF = 3 DOS related values: ISMEAR = -5;SIGMA = 0.20 Electronic RELAXALATION IALGO = 48 LDIAG = .TURE. LREAL = AUTO NBANDS = 100 我的問題是:超胞的弛豫自洽計(jì)算INCAR如何設(shè)置?與和單胞的弛豫自洽計(jì)算有哪些區(qū)別?我上面的參數(shù)應(yīng)如何修改?謝謝! |
木蟲 (著名寫手)
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