24小时热门版块排行榜    

查看: 2452  |  回复: 4

zhangfrank

金虫 (正式写手)

[求助] 【求助】表面计算2个问题:在垂直表面方向加电场&如何算极化电荷 已有1人参与

如题,surface calculation 的俩问题:

1. 请问在表面计算中,是否可以在surface slab中施加电场呢?(比如电场方向是表面内指向表面外)
如果可以,是怎么添加,如何设置电场强度和方向?

2. 材料是六角氮化镓,因为自发极化效应,会在表面积累极化电荷(polarization charge)请问如何算这个polarization charge?是需要在INCAR中指定特定的参数么?还是在OUTCAR中就已经自动算出来了polarization charge?如何读取相关信息?

非常感谢交流指点
回复此楼

» 猜你喜欢

» 本主题相关商家推荐: (我也要在这里推广)

» 本主题相关价值贴推荐,对您同样有帮助:

计算顺利点吧
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

jpchou

专家顾问 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
zhangfrank: 金币+30, ★★★很有帮助, 10 2017-03-20 22:55:07
1. ?????????????У?????????surface slab?????糡?????????糡???????????????????
?????????????????????????糡???????
> ??????
   https://cms.mpi.univie.ac.at/vas ... LDIPOL_EPSILON.html
   https://cms.mpi.univie.ac.at/vas ... lectric_fields.html
   ?e???v??????
   ??????????? EFIELD?????????? IDIPOLE ??????
   ?? VASP ?????B??????????T


2. ??????????????????????????Ч????????????????????polarization charge??????????????polarization charge?????????INCAR??????????????????????OUTCAR?о??????????????polarization charge????ζ??????????
> ?@??????]?о?
    ???^???????????f??OUTCAR ?e????]?? polarization charge ???Y??

    ?????J?鑪????^ charge analysis ??????
    ???????^?????? Bader charge analysis
    ??????????????y?? charge ????
    ?M????? polarization charge
    ??? polarization charge ?@?|??
    ?f??????????? charge
    ?????@Щ charge ????? polarization ?????
    ???????? charge analysis ???????? polarization charge

» 本帖已获得的红花(最新10朵)

2楼2017-03-20 22:40:11
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

zhangfrank

金虫 (正式写手)

送红花一朵
???????:
2?: Originally posted by jpchou at 2017-03-20 22:40:11
1. ?????????????У?????????surface slab?????糡?????????糡???????????????????
?????????????????????????糡???????
> ??????
   https://cms.mpi.univie.ac.at/vasp/vasp/M ...

??л??????

1.????????????? EFIELD?????????? IDIPOLE ???????????????в鵽?????????????????????????????????????????糡????????????????е?糡??С?п????????????????ü?????С?????糡?????????
2. ????????bader charge analysis????????????????????????в?????????????
计算顺利点吧
3楼2017-03-20 22:54:27
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

jpchou

专家顾问 (著名写手)

1.????????????? EFIELD?????????? IDIPOLE ???????????????в鵽?????????????????????????????????????????糡????????????????е?糡??С?п????????????????ü?????С?????糡?????????

> ?@??????????
    ??????????????^ EFIELD (VASP4 ?????)
    ?????Ч??????
    ?]?k?????????
    ??????]?????^???????????
4楼2017-03-21 00:36:40
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

zhangfrank

金虫 (正式写手)

???????:
4?: Originally posted by jpchou at 2017-03-21 00:36:40
1.????????????? EFIELD?????????? IDIPOLE ???????????????в鵽?????????????????????????????????????????糡????????????????е?糡??С?п????????????????ü?????С?????糡???????? ...

?????????л??????????
计算顺利点吧
5楼2017-03-21 09:26:06
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
相关版块跳转 我要订阅楼主 zhangfrank 的主题更新
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[教师之家] 售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急 +3 CyTWnZiM0cS6 2026-08-02 3/150 2026-08-02 20:51 by 3VGOm6paSgqv
[考研] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +3 CyTWnZiM0cS6 2026-08-02 3/150 2026-08-02 20:43 by 3VGOm6paSgqv
[找工作] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +4 AS6fX1tr1on4 2026-08-02 5/250 2026-08-02 20:31 by 3VGOm6paSgqv
[公派出国] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 +3 AS6fX1tr1on4 2026-08-02 7/350 2026-08-02 20:24 by 3VGOm6paSgqv
[论文投稿] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +3 AS6fX1tr1on4 2026-08-02 8/400 2026-08-02 20:24 by 3VGOm6paSgqv
[论文投稿] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 AS6fX1tr1on4 2026-08-02 6/300 2026-08-02 20:21 by 3VGOm6paSgqv
[基金申请] 这种情况还有戏吗 +5 drbart 2026-07-27 12/600 2026-08-02 20:21 by drbart
[公派出国] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +3 AS6fX1tr1on4 2026-08-02 7/350 2026-08-02 20:11 by 3VGOm6paSgqv
[教师之家] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +4 AS6fX1tr1on4 2026-08-02 11/550 2026-08-02 20:11 by 3VGOm6paSgqv
[基金申请] 面上提前没消息,有中的吗 +11 archvillain 2026-08-02 13/650 2026-08-02 20:09 by symmetry
[基金申请] 微信指数没变化,科研之友没阅读 +15 wangze12014 2026-07-28 19/950 2026-08-02 20:05 by 蔡棒棒菂
[硕博家园] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +4 AS6fX1tr1on4 2026-08-02 13/650 2026-08-02 20:04 by 3VGOm6paSgqv
[找工作] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +4 cBGhfJFuNMca 2026-08-02 13/650 2026-08-02 20:04 by 3VGOm6paSgqv
[公派出国] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +4 cBGhfJFuNMca 2026-08-02 10/500 2026-08-02 20:03 by 3VGOm6paSgqv
[博后之家] 售SCI一区文章,我:8.O.551.O.5.4,科目全,可伽急 +5 cBGhfJFuNMca 2026-08-02 17/850 2026-08-02 19:54 by 3VGOm6paSgqv
[考博] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +5 cBGhfJFuNMca 2026-08-02 21/1050 2026-08-02 19:52 by 3VGOm6paSgqv
[博后之家] 售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急 +3 AS6fX1tr1on4 2026-08-02 8/400 2026-08-02 18:44 by ca3DVAx4OB19
[教师之家] 售SCI一区T0P文章,我:8.O.55.1.O.54,科目齐全,可+急 +3 AS6fX1tr1on4 2026-08-02 6/300 2026-08-02 18:34 by ca3DVAx4OB19
[公派出国] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +3 cBGhfJFuNMca 2026-08-02 15/750 2026-08-02 16:23 by jHcrHMhbKCFV
[基金申请] 你们的时间戳变了吗 +3 archvillain 2026-07-30 4/200 2026-07-30 18:53 by levinzhwen
信息提示
请填处理意见