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xiaoyaobeiji新蟲 (小有名氣)
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[求助]
用vasp優(yōu)化氮化鑭的晶格常數(shù),為什么優(yōu)化出來的值與實驗值偏差很大
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| 如題,大概偏差在百分之10以上,請問有什么解決方法嗎?加U計算可以嗎 |
稀土 贗勢 加U |

木蟲 (正式寫手)
木蟲 (職業(yè)作家)

木蟲 (正式寫手)
新蟲 (小有名氣)
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incar: SYSTEM =V bulk Startparameter for this Run: NWRITE = 1; LPETIM=F write-flag & time ISTART = 0 job : 0-new 1-cont 2-samecu LWAVE = .FALSE. Electronic Relaxation 1 EDIFFG = .1E-4 EDIFF = .1E-2 PREC = Accurate DOS related values: ISMEAR = -5 SIGMA = 0.5 Electronic Relaxation 2 #IALGO = 48 algorithm ENCUT = 300 IBRION = 2 POTIM = 0.25 NSW = 100 ISIF = 2 poscar: LaN 6.301 0.00 0.50 0.50 0.50 0.00 0.00 0.50 0.50 0.00 1 1 Selective Direct 0.00 0.00 0.00 T T T 0.50 0.50 0.50 T T T 庫用的potpaw potpawlda potpawpbe potpawgga |

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