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[求助]
berry phase!DIPOL?
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berry phase計(jì)算 如何確定DIPOL設(shè)置的正確與否,根據(jù)OUTCAR的結(jié)構(gòu)如何半斷?奇怪的問(wèn)題,POSCAR經(jīng)過(guò)berry phase計(jì)算,OUTCAR 顯示不一樣??有人說(shuō),VASP里面berry phase程序有問(wèn)題,這是真的嗎?我計(jì)算的單胞沒(méi)有問(wèn)題,超胞有問(wèn)題 |
木蟲(chóng) (著名寫(xiě)手)

木蟲(chóng) (著名寫(xiě)手)

木蟲(chóng) (著名寫(xiě)手)

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你好 可以麻煩你看一下 我的這個(gè)有沒(méi)有問(wèn)題啊 我計(jì)算的結(jié)果都是沒(méi)有絕緣性的呢 berryphase: #! /bin/sh tar czvf chg.tgz CHG* mv WAVECAR wavecar for i in 2 3 do cat >INCAR < system=BCO ENCUT=500 #ISTART=0 #ICHARG=2 ISMEAR=0 SIGMA=0.002 PREC=Accurate LREAL=Auto ALGO=Very Fast IALGO=48 ISPIN=2 MAGMOM=24*0 4 -4 -4 4 4 -4 -4 4 8*0 ISYM=2 LDAU=.True LDAUL=-1 2 -1 LDAUU=0 6.0 0 LDAUJ=0 0.9 0 LBERRY=.TRUE IGPAR=$i NPPSTR=8 DIPOL=0.125 0.125 0.125 ! cp wavecar WAVECAR tar -xzvf chg.tgz echo "IGPAR=$i" ; mpirun -np 4 /home/thd/softwares/vasp.5.2/vasp_parallel cp OUTCAR OUTCAR$i done kpints: Monkhorst Pack 0 Monkhorst Pack 6 6 6 0 0 0 POSCAR: SYSTEM=BCO 1.01200000000000 7.4272314225668428 0.0000000000000000 0.0000000000000000 0.0000000000000000 7.4272314225668428 0.0000000000000000 0.0000000000000000 0.0000000000000000 9.5264420582626546 O Co Bi 24 8 8 Direct 0.2500000000000000 0.2500000000000000 0.0 0.2500000000000000 0.0000000000000000 0.25 0.0000000000000000 0.2500000000000000 0.25 0.7500000000000000 0.2500000000000000 0.0 0.7500000000000000 0.0000000000000000 0.25 0.5000000000000000 0.2500000000000000 0.25 0.2500000000000000 0.7500000000000000 0.0 0.2500000000000000 0.5000000000000000 0.25 0.0000000000000000 0.7500000000000000 0.25 0.7500000000000000 0.7500000000000000 0.0 0.7500000000000000 0.5000000000000000 0.25 0.5000000000000000 0.7500000000000000 0.25 0.2500000000000000 0.2500000000000000 0.5 0.2500000000000000 0.0000000000000000 0.75 0.0000000000000000 0.2500000000000000 0.75 0.7500000000000000 0.2500000000000000 0.5 0.7500000000000000 0.0000000000000000 0.75 0.5000000000000000 0.2500000000000000 0.75 0.2500000000000000 0.7500000000000000 0.5 0.2500000000000000 0.5000000000000000 0.75 0.0000000000000000 0.7500000000000000 0.75 0.7500000000000000 0.7500000000000000 0.5 0.7500000000000000 0.5000000000000000 0.75 0.5000000000000000 0.7500000000000000 0.75 0.2500000000000000 0.2500000000000000 0.25 0.7500000000000000 0.2500000000000000 0.25 0.2500000000000000 0.7500000000000000 0.25 0.7500000000000000 0.7500000000000000 0.25 0.2500000000000000 0.2500000000000000 0.75 0.7500000000000000 0.2500000000000000 0.75 0.2500000000000000 0.7500000000000000 0.75 0.7500000000000000 0.7500000000000000 0.75 0.0000000000000000 0.0000000000000000 0.0 0.5000000000000000 0.0000000000000000 0.0 0.0000000000000000 0.5000000000000000 0.0 0.5000000000000000 0.5000000000000000 0.0 0.0000000000000000 0.0000000000000000 0.5 0.5000000000000000 0.0000000000000000 0.5 0.0000000000000000 0.5000000000000000 0.5 0.5000000000000000 0.5000000000000000 0.5 POTCAR:PBE |
木蟲(chóng) (著名寫(xiě)手)

木蟲(chóng) (著名寫(xiě)手)
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這是我計(jì)算反鐵磁BiFeO3的輸入文件,應(yīng)該跟你的BiCoO3的差別不大 SYSTEM=AFM-BiFeO3 ISTART=1 INIWAV=1 PREC=ACCURATE ENCUT=600 IALGO=38 LREAL=.FALSE. ALGO=NORMAL NELM=100 NELMIN=2 NELMDL=0 EDIFF=10E-9 ISMEAR=-5 SIGMA=0.1 ISYM=2 NBANDS=70 # Antiferromagnetic ISPIN=2 ICHARG=11 LORBIT=11 MAGMOM=0.0 0.0 3.8 -3.8 0.0 0.0 0.0 0.0 0.0 0.0 # LDA+U LDAU=.TRUE. LDAUTYPE=2 LDAUL=-1 2 -1 LDAUU=0.0 4.0 0.0 LDAUJ=0.0 0.0 0.0 LMAXMIX=4 |

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