24小时热门版块排行榜    

Znn3bq.jpeg
查看: 775  |  回复: 10
当前主题已经存档。
【有奖交流】积极回复本帖子,参与交流,就有机会分得作者 matxiong 的 1 个金币
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

matxiong

木虫 (正式写手)

[交流] [求助]反铁磁计算问题请教!

我做一个铁磁计算

INCAR:
FM设置
ISPIN=2
MAGMOM=16*1 30*1 1*1 1*1

AFM设置
ISPIN=2
MAGMOM=16*1 30*1 1*1 1*-1

其中磁性原子被标记了正负号,其他原子没有标记正负号

可是AFM设置算出来的磁矩和FM设置相同

请问哪里有错误?

我的可能没有磁性超晶胞设置,因为两个铁磁原子位置没有对称性相连。有人做过类似计算没有?

[ Last edited by wuli8 on 2009-6-21 at 22:30 ]
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

matxiong

木虫 (正式写手)

谢谢mermaid1128.
据说明书,对于vasp4.4.4后的版本不需要将磁性原子分类。
另外,我也将其磁性原子分类计算过,并相应修改了 POSCAR POTCAR,AFM计算得到磁矩还是和FM设置差不多。是不是INCAR 中的MAGMOM没有读取到,还是别的原因?
8楼2008-09-23 11:51:25
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 11 个回答

mermaid1128

木虫 (著名写手)

把POSCAR贴出来看看

把POSCAR贴出来看看
2楼2008-09-23 10:29:31
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

matxiong

木虫 (正式写手)

10.7762194459285900    0.0000000000000000    0.0000000000000000
     0.0000000000000000   10.7762194459285900    0.0000000000000000
     0.0000000000000000    0.0000000000000000   10.7880087759617600
  32  30   2
Direct
  0.0179325853440254  0.0179325853440254  0.0144807092926401
  0.0179443923892418  0.0179443923892418  0.5144943146806579
  0.0009437236037932  0.4964960663016043 -0.0012297861080878
  0.0009422689305298  0.4964956809586626  0.4987684032741092
  0.4964960663016043  0.0009437236037932 -0.0012297861080878
  0.4964956809586626  0.0009422689305298  0.4987684032741092
  0.4979171405189111  0.4979171405189111  0.0004894105905524
  0.4979197557551628  0.4979197557551628  0.5004902294080691
  0.0179325853440254  0.2320674146559745  0.2355192907073600
  0.0179443923892418  0.2320556076107582  0.7355056853193421
  0.0009437236037932  0.7535039336983957  0.2512297861080878
  0.0009422689305298  0.7535043190413377  0.7512315967258905
  0.4964960663016043  0.2490562763962068  0.2512297861080878
  0.4964956809586626  0.2490577310694703  0.7512315967258905
  0.4979171405189111  0.7520828594810895  0.2495105894094476
  0.4979197557551628  0.7520802442448373  0.7495097705919310
  0.2320674146559745  0.0179325853440254  0.2355192907073600
  0.2320556076107582  0.0179443923892418  0.7355056853193421
  0.2490562763962068  0.4964960663016043  0.2512297861080878
  0.2490577310694703  0.4964956809586626  0.7512315967258905
  0.7535039336983957  0.0009437236037932  0.2512297861080878
  0.7535043190413377  0.0009422689305298  0.7512315967258905
  0.7520828594810895  0.4979171405189111  0.2495105894094476
  0.7520802442448373  0.4979197557551628  0.7495097705919310
  0.2320674146559745  0.2320674146559746  0.0144807092926401
  0.2320556076107582  0.2320556076107582  0.5144943146806579
  0.2490562763962068  0.7535039336983957 -0.0012297861080878
  0.2490577310694703  0.7535043190413377  0.4987684032741092
  0.7535039336983957  0.2490562763962068 -0.0012297861080878
  0.7535043190413377  0.2490577310694703  0.4987684032741092
  0.7520828594810895  0.7520828594810895  0.0004894105905524
  0.7520802442448373  0.7520802442448373  0.5004902294080691
  0.1250000000000000  0.6250000000000000  0.1250000000000000
  0.1250000000000000  0.6250000000000000  0.6250000000000000
  0.6250000000000000  0.1250000000000000  0.1250000000000000
  0.6250000000000000  0.1250000000000000  0.6250000000000000
  0.6250000000000000  0.6250000000000000  0.1250000000000000
  0.6250000000000000  0.6250000000000000  0.6250000000000000
  0.3705845954778504  0.3705845954778504  0.1233039916326623
  0.3705857583589943  0.3705857583589943  0.6233024059111214
3楼2008-09-23 10:56:49
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

matxiong

木虫 (正式写手)

呵呵,搞错了,上面的POSCAR和INCAR不对应,但都是后面2个原子考虑磁性相反
4楼2008-09-23 11:00:38
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 353求调剂 +8 晴空万里air 2026-04-07 8/400 2026-04-09 00:18 by GouQ
[考研] 一志愿生物与医药,296分,求调剂 +14 66鹿 2026-04-03 16/800 2026-04-08 10:38 by tjzhao
[考研] 285求调剂 +18 AZMK 2026-04-02 19/950 2026-04-08 10:33 by xingguangj
[考研] 287求调剂 +10 Fnhc 2026-04-07 16/800 2026-04-08 10:07 by xingguangj
[考研] 307求调剂 +3 Youth@@ 2026-04-07 3/150 2026-04-07 09:25 by 小黑不怕难
[考研] 338求调剂 +4 我想上岸ii 2026-04-05 4/200 2026-04-06 21:04 by 木子君1218
[考研] 287求调剂 +3 通信学硕081000 2026-04-03 4/200 2026-04-06 21:03 by going home
[考研] 求调剂到0856材料工程 +3 程9915 2026-04-05 3/150 2026-04-05 18:15 by 蓝云思雨
[考研] 一志愿北京化工大学,初试成绩350求调剂 +9 沿岸?贝壳 2026-04-04 14/700 2026-04-05 01:09 by 沿岸?贝壳
[考研] 283分求调剂 +7 小聂爱学习 2026-04-03 7/350 2026-04-04 21:51 by hemengdong
[考研] 调剂 +4 是可乐不是可乐 2026-04-04 4/200 2026-04-04 19:41 by 唐沐儿
[考研] 一志愿南农090401,268,求调剂 +5 一木鸟然 2026-04-04 5/250 2026-04-04 17:07 by babysonlkd
[考研] 22408,264求调剂 +3 ywh729 2026-04-03 4/200 2026-04-04 11:04 by ywh729
[考研] 281求调剂 +10 aaawhy 2026-04-03 10/500 2026-04-03 21:42 by lbsjt
[考研] 调剂 +5 asdasdassda 2026-04-03 6/300 2026-04-03 20:27 by 岸上的一条鱼
[考研] 考研调剂 +8 不爱喝饮料 2026-04-03 8/400 2026-04-03 16:40 by Mistake-J
[考研] 初试成绩337找调剂 +3 ??? ?. ? 2026-04-03 3/150 2026-04-03 11:43 by 土木硕士招生
[考研] 求调剂 +3 心想事成可 2026-04-03 3/150 2026-04-03 11:22 by wangjy2002
[考研] 调剂 +7 祉岷. 2026-04-02 7/350 2026-04-03 09:11 by 花呗还欠600
[考研] 考研调剂 +3 李木子0120 2026-04-02 5/250 2026-04-02 21:45 by dongzh2009
信息提示
请填处理意见