24小时热门版块排行榜    

查看: 1757  |  回复: 10
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

cenwanglai

荣誉版主 (知名作家)

老和山猥琐派九段

优秀版主

[求助] NiO(111)面的Octopolar重构

NiO是一种NaCl型结构,(111)面由阳离子和阴离子交替出现。有两篇PRL指出,NiO(111)的O-terminated表面不稳定,会按照Octopolar reconstruction方式重构.一篇JPCC做了CO在NiO(111)面上的氧化计算,做出的Octopolar reconstruction表面是删掉最表层3/4的O原子和次表层1/4的Ni原子。如果这样做,Ni:O就不是1:1的计量结构了。求解释。
回复此楼

» 本帖附件资源列表

  • 欢迎监督和反馈:小木虫仅提供交流平台,不对该内容负责。
    本内容由用户自主发布,如果其内容涉及到知识产权问题,其责任在于用户本人,如对版权有异议,请联系邮箱:xiaomuchong@tal.com
  • 附件 1 : jp108475e.pdf
  • 2013-11-12 17:56:52, 2.79 M
  • 附件 2 : p2897_1.pdf
  • 2013-11-12 17:58:23, 98.44 K

» 收录本帖的淘帖专辑推荐

表面

» 猜你喜欢

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

★ ★
fzx2008: 金币+2, 谢谢回帖! 2013-11-13 09:16:36
引用回帖:
6楼: Originally posted by jpchou at 2013-11-13 07:33:14
1. 谢谢你的回复。你给出了另外一种做模型的方法,并且告诉我模型中的原子比例存在不按照化学计量比的情况。

這是在表面計算才成立的喔
塊材的話是按照化學計量比
(若是有 defect,那又是另一個 story 了)

...

由於在家裡
無法抓PAPER
所以只能看一樓提供的 p2897_1.pdf
也就是 JCPP paper 內的 reference 35
這篇看起?韺懥撕茉敿毜恼撟C
說明 NiO(111) 為啥長這樣
7楼2013-11-13 07:40:53
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

jpchou

专家顾问 (著名写手)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
cenwanglai: 金币+5, ★★★★★最佳答案, 非常感谢~ 2013-11-13 04:41:58
fzx2008: 金币+3, 谢谢指导 2013-11-13 09:17:16
"Ni:O?????1:1?????????"

?????????]????] 1:1 ?@?N???}
?????f
?]?k?????]?@?N???}

?@???? alloy surface ???y?????
?????@????f
NiO(111)
??? double layer ???? ~ ??? O ??? Ni
??????
The
NiO(111) surface was modeled by a slab with six NiO double
layers and a vacuum equivalent to six double layers between
two successive slabs.
????????????? NiO bi-layer
????? O-terminated NiO surface
?????
O  4 atoms
Ni  4 atoms
O  4 atoms
Ni  4 atoms
O  4 atoms
Ni  4 atoms
O  4 atoms
Ni  4 atoms
O  4 atoms
Ni  4 atoms
O  4 atoms
Ni  4 atoms

?????? bi-layer
????}????
?????? O-terminated ????? CO
????????~~??????? Ni-terminated ?
??????? 6.5 ?? bi-layer ??
??????????? O-terminated
(???????????? O)
?@????????

???????V??
?@??N?????????????
???????????c?????????
???????????????
???????
???????????????X??
"??~????????????????~???"
?@???о?????????????????????x
2楼2013-11-12 20:28:42
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

cenwanglai

荣誉版主 (知名作家)

老和山猥琐派九段

优秀版主

???????:
2?: Originally posted by jpchou at 2013-11-12 20:28:42
"Ni:O?????1:1?????????"

?????????]????] 1:1 ?@?N???}
?????f
?]?k?????]?@?N???}

?@???? alloy surface ???y?????
?????@????f
NiO(111)
??? double layer ???? ~ ??? O ??? ...

1. лл?????????????????????????????????????????????е??????????????????????????????

2. ?????????????1???????????е??????????????????????Page 5?"In this study, we used a p(2*2) O-terminated octopolar NiO(111) surface with 3/4 ML O missing in the top layer and 1/4 ML Ni missing in the second layer."

3. ?????????7 double layer??p(2*2) slab, ??????????飬???????????Ni????????????????????1??????????????????????????????????????????????????.cif?????????

[ Last edited by cenwanglai on 2013-11-13 at 07:18 ]

» 本帖附件资源列表

  • 欢迎监督和反馈:小木虫仅提供交流平台,不对该内容负责。
    本内容由用户自主发布,如果其内容涉及到知识产权问题,其责任在于用户本人,如对版权有异议,请联系邮箱:xiaomuchong@tal.com
  • 附件 1 : 111_O.cif
  • 2013-11-13 05:12:36, 11.35 K
3楼2013-11-13 05:13:53
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)

★ ★ ★
fzx2008: 金币+3, 谢谢回帖! 2013-11-13 09:16:59
???????:
3?: Originally posted by cenwanglai at 2013-11-13 05:13:53
лл?????????????????????????????????????????????е??????????????????????????????

?????????????1???????????е?????????Page 5?"In this study, we used a p(2*2) O-termina ...

?????????????1???????????е?????????Page 5?"In this study, we used a p(2*2) O-terminated octopolar NiO(111) surface with 3/4 ML O missing in the top layer and 1/4 ML Ni missing in the second layer."?????????7 double layer??p(2*2) slab, ??????????飬???????????Ni???????????

???@??]???}
5L, 6L, 7L ???]???}
?????]???}.....

???????????????????????????????????????????????????.cif?????????

?@?e???????
"????????????????"   ... ?@?????... ??
????????? model ????? ideal ?? NiO(111) surface
??t???@???????????????? (?????f???????)
?????????????c???? Ni ?B??
???? dangling bond ?a??
?K?? paper ??? model
??????????PAPER??? MODEL
??????????????? (3 ?w) ??е???? Ni (1?w)
??? surface relaxation (reconstruction)
????? paper ??? model


.... (????????@???? @_@?)
4楼2013-11-13 06:06:57
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 调剂310 +3 温柔的晚安 2026-03-25 4/200 2026-03-25 23:16 by peike
[考研] 07化学303求调剂 +5 睿08 2026-03-25 5/250 2026-03-25 22:46 by 418490947
[考研] 308求调剂 +5 墨墨漠 2026-03-25 5/250 2026-03-25 22:19 by 544594351
[考研] 机械学硕总分317求调剂!!!! +4 Acaciad 2026-03-25 4/200 2026-03-25 19:59 by hanserlol
[考研] 招08考数学 +8 laoshidan 2026-03-20 17/850 2026-03-25 17:52 by 一个红太阳
[考研] 求b区院校调剂 +4 周56 2026-03-24 5/250 2026-03-25 17:12 by yishunmin
[考研] 求调剂 一志愿 本科 北科大 化学 343 +4 13831862839 2026-03-24 5/250 2026-03-25 09:47 by 无际的草原
[考研] 上海电力大学材料防护与新材料重点实验室招收调剂研究生(材料、化学、电化学,环境) +4 我爱学电池 2026-03-23 4/200 2026-03-25 00:59 by 1027_324
[考研] 085601求调剂总分293英一数二 +3 钢铁大炮 2026-03-24 3/150 2026-03-24 22:03 by bingxueer79
[考研] 资源与环境 调剂申请(333分) +7 holy J 2026-03-21 7/350 2026-03-24 17:24 by xiaohai104
[考研] 384求调剂 +3 子系博 2026-03-22 6/300 2026-03-23 21:45 by 子系博
[考研] 336求调剂 +4 收到VS 2026-03-20 4/200 2026-03-23 19:02 by macy2011
[考研] 一志愿070300浙大化学358分,求调剂! +4 酥酥鱼.. 2026-03-21 4/200 2026-03-23 08:12 by Iveryant
[考研] 306求调剂 +5 来好运来来来 2026-03-22 5/250 2026-03-22 16:17 by BruceLiu320
[考研] 324求调剂 +6 lucky呀呀呀鸭 2026-03-20 6/300 2026-03-22 16:01 by ColorlessPI
[考研] 0703化学调剂 +4 妮妮ninicgb 2026-03-21 4/200 2026-03-21 18:39 by 学员8dgXkO
[考研] 求调剂 +3 13341 2026-03-20 3/150 2026-03-21 18:28 by 学员8dgXkO
[考研] 296求调剂 +4 www_q 2026-03-20 4/200 2026-03-21 17:26 by 学员8dgXkO
[考研] 求调剂 +6 Mqqqqqq 2026-03-19 6/300 2026-03-21 08:04 by JourneyLucky
[考研] 中南大学化学学硕337求调剂 +3 niko- 2026-03-19 6/300 2026-03-20 21:58 by luoyongfeng
信息提示
请填处理意见