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anatta1

铁杆木虫 (正式写手)

[求助] VASP 磁矩计算偏大 该做何调整

VASP 计算的磁矩偏大,该做何调整???
INCAR如下:
system = BaFe2As2
PREC = Accurate
ISPIN = 2
MAGMOM = 4*0 3 3 3 3 3 3 3 3 8*0
ISMEAR = -5
SIGMA = 0.18
ISTART = 0
EDIFF = 1E-5
EDIFFG = -1E-3
ICHARG = 2
ENCUT = 450
#NSW = 60
IBRION =-1
#ISIF = 2
#POTIM = 0.2
AMIX_MAG=0.1
LORBIT=11
LREAL = .FALSE.
LPLANE = .TRUE.
NPAR = 1
NSIM = 4
VOSKOWN=1
请大神指点
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ip0371

木虫 (正式写手)

磁矩偏大,是和实验值相比还是跟文献上的数据相比?

另,你这是超胞吗?我感觉是不是结构有问题
2楼2014-06-27 15:02:43
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