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gleerat

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] Ë®·Ö×ÓÔÚÍ­±íÃæµÄÎü¸½£¬¸úÎÄÏ×½á¹û²»Ò»ÖÂ

ÎÒËãµÄÊÇH2OÔÚCu(100)±íÃæµÄÎü¸½ÄÜ£¬ÌåϵΪ
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Calculations were carried out using DFT Perdew¨CWang 1991 (PW91)  exchange-correlation functional implemented in the plane-wave based code VASP . The electron¨Ccore interaction is described with the projector-augmented plane-wave (PAW) method. A plane-wave basis set with a kinetic energy cutoff of 400 eV was used. Test calculations on water adsorption at Cu(1 1 1) surface with a 500 eV cutoff produced the same adsorption energy and the almost unchanged geometry of water (Only the bond angle HOH differs by 0.2¡ã.). Convergence criteria of 10E-5 eV for the self-consistent electronic minimization and 10E-4 eV for the total energy change between two consecutive ionic steps were adopted.
¡­¡­¡­¡­
A Monkhorst¨CPack mesh [60] of (5 ¡¤ 5 ¡¤ 1) was used for integration over the Brillouin zone for the (1 1 1), (1 0 0), (1 1 0) and (2 1 1) surfaces.

Q.-L. Tang, Z.-X. Chen / Surface Science 601 (2007) 954¨C964
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ÒýÓûØÌû:
System = Cu(100)-surface H2O
PREC = Normal
EDIFF = 1E-5
EDIFFG = 1E-3
GGA = 91
ISPIN = 1
ICHARG = 2
ISTART = 0
ENCUT =  720
SIGMA =  0.2
ISMEAR = 1
NELMDL = -12        #
ALGO = Fast         #RMM-DIIS
ISIF = 2
IBRION = 1          #for:ZBRENT: increasing intervall
ADDGRID = .True.    #
NSW = 360           #try to increase it when cannot converage

LORBIT = 11
LREAL = Auto        #for large cell, if cell small,then set to .FALSE.
NCORE = 12          #for linux multicores, cores used per node
LPLANE = .TRUE.     #if very nodes used,then set to .FALSE.
LSCALU = .FALSE.
NSIM = 4
LWAVE = .FALSE.            #will not creat the wavecar
LCHARG = .FALSE.        #will not creat the chagcar

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ÒýÓûØÌû:
System = Cu(100)-surface H2O
PREC = ACCURATE
EDIFF = 1E-6
EDIFFG = 1E-4
GGA = 91
ISPIN = 1
ICHARG = 2
ISTART = 0
ENCUT =  700
SIGMA =  0.2
ISMEAR = -5
NELMDL = -12        #
ADDGRID = .True.
IBRION = 1
ALGO = Fast         #RMM-DIIS

LORBIT = 11
LREAL = Auto        #for large cell, if cell small,then set to .FALSE.
NCORE = 12          #for linux multicores, cores used per node
LPLANE = .TRUE.     #if very nodes used,then set to .FALSE.
LSCALU = .FALSE.
NSIM = 4
LWAVE = .FALSE.            #will not creat the wavecar
LCHARG = .FALSE.        #will not creat the chagcar

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[ Last edited by gleerat on 2012-10-17 at 18:05 ]
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dazao

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liliangfang: ½ð±Ò+2, ллָ½Ì 2012-10-27 09:07:56
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sunyang1988: ½ð±Ò+1, лл½»Á÷ 2012-10-18 10:08:02
ÄãµÄINCARÀïÓÐЩ²ÎÊý±Ëʱ±ØÐëµÄ£¬Æ©ÈçISPIN¡¢LORBIT.......
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2Â¥2012-10-18 00:04:20
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gleerat

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hakuna at 2012-10-18 00:04:20
ÄãµÄINCARÀïÓÐЩ²ÎÊý±Ëʱ±ØÐëµÄ£¬Æ©ÈçISPIN¡¢LORBIT.......
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top           0.160811
center      0.126289
bridge      0.167322

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hakuna

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sunyang1988: ½ð±Ò+1, Õâô¾ÃµÄINCAR»¹±£´æ×Å£¬Õâ¸ÐÇéÓжàÉî°¡¡£¡£¡£ 2012-10-18 13:30:28
7-8ÄêǰÎÒÓõÄINCAR:
ISMEAR= 1   
SIGMA=0.15
GGA=91      
ISIF = 2   
ENMAX= 400   
NSW= 100     
IBRION=2   
IDIPOL=3   
VOSKOWN=1   
IALGO=48   
ENAUG=650     
LREAL=auto   
LMAXPAW=0     
NPLANE=.TRUE.  
Ëã³öÀ´£¨111£©ÃæÉÏ£¬Îü¸½ÄÜÊÇ0.19 eV
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gleerat

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hakuna at 2012-10-18 00:04:20
ÄãµÄINCARÀïÓÐЩ²ÎÊý±Ëʱ±ØÐëµÄ£¬Æ©ÈçISPIN¡¢LORBIT.......
ÄãµÄ½Ø¶ÏÄÜÌ«¸ßÁË£¬ÀË·Ñʱ¼ä£¬ÄÇÆªÎÄÕ½ضÏÄÜ×î¶à400 eV.....
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Æäʵ£¬ÎÒÔÙ´ÎÓÅ»¯³öÀ´µÄCu(100)±íÃæÉÏtopλģÐÍÖУ¬½á¹¹ÓëÎÄÏ×±¨µÀ²î²»¶à£¬¶þÃæ½Ç98¶È£¬d(CuO)Ϊ2.33£¬Îü¸½ÄÜΪ0.19eV¡£·ûºÏµÄ»¹±È½ÏºÃ¡£
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2-b      0.192792
2-c      0.202398
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INCAR.relax
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System = Cu(100)-H2O
PREC = Accurate
EDIFF = 1E-5
EDIFFG = 1E-4
GGA = 91
ISPIN = 1
ICHARG = 2
ISTART = 0
ENCUT =  420
SIGMA =  0.1
ISMEAR = 1
NELMDL = -12        #
ALGO = Fast         #RMM-DIIS
ISIF = 2
IBRION = 1          #for:ZBRENT: increasing intervall
ADDGRID = .True.    #
NSW = 120           #

LORBIT = 11
LREAL = Auto        #for large cell, if cell small,then set to .FALSE.
NCORE = 12          #for linux multicores, cores used per node
LPLANE = .TRUE.     #if very nodes used,then set to .FALSE.
LSCALU = .FALSE.
NSIM = 4
LWAVE = .FALSE.            #will not creat the wavecar
LCHARG = .FALSE.        #will not creat the chagcar

INCAR.static
ÒýÓûØÌû:
System = Cu(100)-surface H2O
PREC = ACCURATE
EDIFF = 1E-6
EDIFFG = 1E-4
GGA = 91
ISPIN = 1
ICHARG = 2
ISTART = 0
ENCUT =  420
SIGMA =  0.1
ISMEAR = -5
NELMDL = -12        #
ADDGRID = .True.
IBRION = 1
ALGO = Fast         #RMM-DIIS

LORBIT = 11
LREAL = Auto        #for large cell, if cell small,then set to .FALSE.
NCORE = 12          #for linux multicores, cores used per node
LPLANE = .TRUE.     #if very nodes used,then set to .FALSE.
LSCALU = .FALSE.
NSIM = 4
LWAVE = .FALSE.            #will not creat the wavecar
LCHARG = .FALSE.        #will not creat the chagcar

Ã÷²ì¡¢É÷˼¡¢óÆÐÐ
6Â¥2012-10-25 10:22:09
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gleerat

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by dazao at 2012-10-24 05:46:52
ÎÄÏ×ÀïϱÎü¸½Äܵĵ¥Î»Êǽ¹¶úÿľ¶ú°É

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7Â¥2012-10-25 10:27:30
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hakuna

ľ³æ (ÖªÃû×÷¼Ò)

ÒýÓûØÌû:
7Â¥: Originally posted by gleerat at 2012-10-25 10:27:30
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8Â¥2012-10-25 15:34:41
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hakuna

ľ³æ (ÖªÃû×÷¼Ò)

ÒýÓûØÌû:
6Â¥: Originally posted by gleerat at 2012-10-25 10:22:09
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9Â¥2012-10-25 15:39:29
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gleerat

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
8Â¥: Originally posted by hakuna at 2012-10-25 15:34:41
"ÎÄÏ×µÄÄÜÁ¿ÖµÊÇKJ/mol£¬Ô¼µÈÓÚ0.01eV¡£"

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