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c_chi木蟲(chóng) (正式寫(xiě)手)
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[求助]
計(jì)算非自洽的DOS時(shí)為什么會(huì)出現(xiàn)電子迭代
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我在計(jì)算非自洽的DOS時(shí)會(huì)出現(xiàn)電子迭代,已經(jīng)設(shè)置ICHARG=11,ISMEAR=-5,為什么會(huì)這樣?謝謝各位蟲(chóng)子了。 我的參數(shù)如下: System = Bi2Te3-prim ### Start parameters ISTART = 0 #0 start a new computation, no WAVECAR file -- default 1 ICHARG = 11 #initial charge densities from atoms ### Electronic Relaxation ENCUT = 400 LREAL = False #projection done in real space EDIFF = 1.0E-4 #Default 1.0E-4 IALGO = 48 #RMM-DIIS algorithm for electrons NELMIN = 4 #default 2; do a minimum of four electronic steps NELM = 100 #default 60; maximum number of electronic SC (selfconsistency) steps #NELMDL = -5 #number ofnon-selfconsistent steps at the beginning ISYM=-1 LNONCOLLINEAR = .TRUE LSORBIT=.TRUE. ### Ionic relaxation EDIFFG = -0.01 #Default EDIFF*10 #NSW = 300 #default 0 #IBRION = 2 #use CG algorithm #ISIF = 3 # POTIM = 0.1 #default 0.5; time-step for ion-motion ### DOS related values ISMEAR = -5 #method to determine partial occupancies£?-5 for semiconductor and non-metal 1 for metal SIGMA = 0.1 #broadening in eV NEDOS = 1505 #number of grid points in DOS EMIN = -10 #minimum energy for evaluation of DOS EMAX = 15 #maximum energy for evaluation of DOS #WIGS = 1.286 0.900 #? or RWIGS LORBIT = 11 #? ### BANDS related values #NBANDS = 504 #number of occupied bands ### others PREC = Medium ISPIN = 2 #2 allow for spin polarisation -- 1 or 2 VOSKOWN = 1 GGA = PE NPAR = 8 ### Output control LWAVE = T LCHARG = T LAECHG = T |
找到一些相關(guān)的精華帖子,希望有用哦~
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