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jpchou
ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)
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ר¼Ò¾Ñé: +20 - 1STÇ¿Ìû: 5
- Ó¦Öú: 231 (´óѧÉú)
- ½ð±Ò: 2342
- É¢½ð: 4367
- ºì»¨: 103
- Ìû×Ó: 1061
- ÔÚÏß: 757.3Сʱ
- ³æºÅ: 585915
- ×¢²á: 2008-08-08
- ÐÔ±ð: GG
- רҵ: Äý¾Û̬ÎïÐÔ II £ºµç×ӽṹ
- ¹ÜϽ: µÚÒ»ÐÔÔÀí
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àÅ~¸ÐÓXÏà®”µÄ¼¬ÊÖÄØ Òòžé 1. ¸ù“þ vasp user guide ®”Äã¸Ä׃ϵ½yëŠ×Ó”µ•r vasp •þ¼ÓÈë늺ɵ½±³¾°ƒÈÒÔÖкÍϵ½y "If NELECT differs from the default, an additional neutralizing background charge is applied by VASP" 2. Èôϵ½yÊljK²Ä (bulk), „tËÆºõ²»•þÓІ–î}.... 3. Èôϵ½yÊÇÓÐÕæ¿Õ£¬Èç molecule and surface „tÓ‹Ëã³ö?íµÄ¿‚ÄÜÊÇ›]ÓÐÒâÁxµÄ, ß@‚€¿‚ÄÜ•þ¸ù“þÄãµÄÕæ¿Õºñ¶È¶ø×ƒ»¯ "Total energies from charged slab calculations are hence useless, and can not be used to determine relative energies" Ó¢ÎIJ¿·Ý¶¼ÊÇÎÒÖ±½Ó?ĹپWÉϽØÈ¡ Ò²¾ÍÊÇÕf~ÔÚÄãµÄ¹«Ê½ÖÐ Eads = E(´ø-2¼ÛÌåϵ£©-E[Fe£¨001] - E[CO3 (2-)] »òÕß Eads = E(´ø-2¼ÛÌåϵ£©-E[Fe£¨001]- E[SO4 (2-)] ×îááÒ»í— E[CO3 (2-)] & E[SO4 (2-)] ¶¼ÊÇŸoÓÃµÄ ÄãÓÃÔ½´óµÄ unit cell È¥Ëãß@ƒÉ‚€Öµ£¬¾Í•þµÃµ½Ô½´óµÄÄÜÁ¿ ...................................... ÄÇÔ“ÔõüNÞkÄØ...................... ÎÒÏëѽ~Ò²ÔS¿ÉÒÔÓÃÁîÒ»·N·½Ê½È¥Ó‹Ëã Ó‹ËãÎü¸½Äܵķ½·¨²»ÊÇÖ»ÓÐß@Ò»·N~߀ÓÐÁîÒ»·NÊÇ Eads = E(something adsorb on surface) - E(something far from surface) Ò²¾ÍÊÇ~°ÑÄãÔ±¾¹«Ê½µÄááÃæƒÉ헺ϳÉÒ»í— ´Ë•rÖ»ÒªËãƒÉ‚€ÄÜÁ¿ Îü¸½ÎïÌÉÔÚ±íÃæµÄÄÜÁ¿~ÅcÎü¸½Îïßhëx±íÃæµÄÄÜÁ¿ ҪעÒâµÄ®”È»¾ÍÊÇ~ß@ƒÉ‚€Ó‹ËãµÄ unit cell size ÒªÒ»˜Ó´ó Ò²¾ÍÊÇÄãÒªÓÃÒ»‚€ºÜ´óÕæ¿ÕµÄ±íÃæ unit cell ?í×öÓ‹Ëã ÎÒ²ÂÏëß@˜Ó "Ò²ÔS" ²ÅÄܵõ½ºÏÀíµÄ½Y¹û |
11Â¥2014-02-15 20:48:58
byf4244
Òø³æ (³õÈëÎÄ̳)
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- ½ð±Ò: 357.5
- Ìû×Ó: 3
- ÔÚÏß: 154.3Сʱ
- ³æºÅ: 2018743
- ×¢²á: 2012-09-21
- ÐÔ±ð: GG
- רҵ: Äý¾Û̬ÎïÐÔ II £ºµç×ӽṹ
2Â¥2014-02-10 10:19:18
jpchou
ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)
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ר¼Ò¾Ñé: +20 - 1STÇ¿Ìû: 5
- Ó¦Öú: 231 (´óѧÉú)
- ½ð±Ò: 2342
- É¢½ð: 4367
- ºì»¨: 103
- Ìû×Ó: 1061
- ÔÚÏß: 757.3Сʱ
- ³æºÅ: 585915
- ×¢²á: 2008-08-08
- ÐÔ±ð: GG
- רҵ: Äý¾Û̬ÎïÐÔ II £ºµç×ӽṹ
- ¹ÜϽ: µÚÒ»ÐÔÔÀí
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lyxc43: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2014-02-14 22:04:16
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¸ù“þÎü¸½Îï(ëx×Ó)µÄ²»Í¬~¶¨ÁxÒ²²»Í¬ ÈôÊÇÎü¸½½ðŒÙëx×Ó „t~´ó¶à•þʹÓýðŒÙµÄ‰K²ÄÄÜ (bulk energy per atom) ±È·½Îü¸½½ðÔ×Ó£¬„t†Îîw½ðÔ×Óëx×ÓÄÜ´ó¶àÊǶ¨Áx³É E(½ð FCC ‰K²Ä¿‚ÄÜ) / 2 (½ð‰K²Ä~†Îλ¾§¸ñƒÈÓЃÉîw½ð) ±È·½Îü¸½èFÔ×Ó£¬„t†ÎîwèFÔ×Óëx×ÓÄÜ´ó¶àÊǶ¨Áx³É E(èF BCC ‰K²Ä¿‚ÄÜ) (èF‰K²Ä~†Îλ¾§¸ñƒÈÖ»ÓÐÒ»îw½ð) ÈôÊÇÎü¸½ †Îîw šâówëx×Ó (O, N, H ....) „t•þÓÃÆäšâówëx×Óšâów‘BµÄ¿‚ÄܳýÒÔ¶þ ±È·½Îü¸½ÑõÔ×Ó£¬„t†ÎîwÑõµÄëx×ÓÄÜ´ó¶à•þʹÓà E(Ñõ·Ö×Ó O2 ¿‚ÄÜ) / 2 |
4Â¥2014-02-14 20:00:06
lyxc43
½ð³æ (ÕýʽдÊÖ)
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- ½ð±Ò: 1799
- É¢½ð: 710
- ºì»¨: 7
- Ìû×Ó: 575
- ÔÚÏß: 202.9Сʱ
- ³æºÅ: 1753634
- ×¢²á: 2012-04-13
- רҵ: »·¾³µØÖÊѧºÍÔÖº¦µØÖÊѧ

5Â¥2014-02-14 22:03:39













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