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fanny0007

金虫 (小有名气)


[交流] 【求助成功】abinit 计算2X2X2supercell MgO 的DOS (16个原子)


如图我用abinit计算了MgO的DOS图,其中MgO是2X2X2的超晶包(8个Mg8个O原子),但是,次价带和价带怎么就展宽了????求高人解释

下图是2个原子的MgO的DOS,,请看两组图的差距


[ Last edited by fanny0007 on 2010-12-8 at 11:05 ]
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zzy870720z(金币+1):谢谢提示 2010-12-07 21:14:47
ABINIT中angdeg和rprim不同时使用
6楼2010-12-07 21:13:26
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fanny0007

金虫 (小有名气)


这是我的输入文件:
ndtset 2
#dataset 1

kptopt 1
nshiftk1 4
shiftk1
0.5 0.5 0.5
0.5 0.0 0.0
0.0 0.5 0.0
0.0 0.0 0.5
ngkpt1 8 8 8
prtden1 1
toldfe1 1.0d-6
iscf1 7

#dataset2DOS
iscf2 -3   


getden2 1
getwfk2 1
prtdos2 2    #2OS 3DOS
dosdeltae 0.00005
natsph2 16
ratsph2 1.448 1.448 1.448 1.448 1.448 1.448 1.448 1.448 2.592 2.592 2.592 2.592 2.592 2.592 2.592 2.592
ngkpt2 16 16 16
tolwfr2 1.0d-16


#Definition of the unit cell

chkprim 0

diemac 3
acell 3*5.955536 Angstrom
angdeg 60 60 60


rprim
0.0 0.5 0.5
0.5 0.0 0.5
0.5 0.5 0.0
ntypat 2
znucl 12 8
natom 16
typat 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1
xred
0.2499999999999991   0.2499999999999999   0.2500000000000006
0.7499999999999991   0.2499999999999999   0.2500000000000006
0.2499999999999991   0.7499999999999997   0.2500000000000006
0.7499999999999988   0.7499999999999999   0.2500000000000007
0.2499999999999992   0.2499999999999999   0.7500000000000006
0.7499999999999990   0.2500000000000001   0.7500000000000004
0.2499999999999990   0.7500000000000000   0.7500000000000004
0.7499999999999988   0.7499999999999999   0.7500000000000007
0.0000000000000000   0.0000000000000000   0.0000000000000000
0.4999999999999999   0.0000000000000000   0.0000000000000000
0.0000000000000000   0.4999999999999999   0.0000000000000000
0.4999999999999999   0.4999999999999999   0.0000000000000001
0.0000000000000000   0.0000000000000001   0.4999999999999999
0.4999999999999999   0.0000000000000001   0.4999999999999998
-0.0000000000000001   0.5000000000000001   0.4999999999999999
0.4999999999999998   0.5000000000000000   0.5000000000000001


ecut 24.0
nstep 45
2楼2010-12-07 09:36:33
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fanny0007

金虫 (小有名气)


引用回帖:
Originally posted by fanny0007 at 2010-12-07 09:36:33:
这是我的输入文件:
ndtset 2
#dataset 1

kptopt 1
nshiftk1 4
shiftk1
0.5 0.5 0.5
0.5 0.0 0.0
0.0 0.5 0.0
0.0 0.0 0.5
ngkpt1 8 8 8
prtden1 1
toldfe1 1.0d-6
iscf1 7

#dataset2DOS
i ...

记矢错在哪里?比如说::::
4楼2010-12-07 18:41:52
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fanny0007

金虫 (小有名气)


引用回帖:
Originally posted by fzx2008 at 2010-12-07 14:29:03:
基矢有问题?

比如说……怎么改
5楼2010-12-07 18:42:27
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