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cuiwen0314Òø³æ (СÓÐÃûÆø)
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[ÇóÖú]
VASP ¼ÆËãCeO2ÓÃDFT+U·½·¨µÄÊäÈëÈçºÎÉèÖÃ
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emilyoyang
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cuiwen0314: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-13 15:31:50
cuiwen0314: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-13 15:39:20
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cuiwen0314: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-13 15:31:50
cuiwen0314: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-13 15:39:20
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there are some problems on the DFT+U settings, U may use these setting LDAU = .FALSE. LDAUTYPE = 2 LDAUL= 3 -1 LDAUU= 4.5 0 LDAUJ= 0 0 LASPH = .TRUE. LMAXMIX = 6 Moreover, U should double check your NCORE and NPAR tags in VASP maunal, these two tags have connections with each other, U shall make sure the specific meaning of ur settings in ur INCAR |
2Â¥2013-04-13 12:17:17
cuiwen0314
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¸ÐлÄúµÄ»Ø¸´£¡ÓÐÒ»µãÎÒ²»Ã÷°×µÄÊÇÈç¹ûU²»¸ø¶¨µÄ»°£¬ÄÇLDAUL= LDAUU= LDAUJ= LMAXMIX = Õ⼸¸öÁ¿ÊÇÈçºÎÉ趨µÄÄØ£¬ÎÒ¿´ËµÃ÷Êé LDAUU=U1 U2 ... specifies the effective on-site Coulomb interaction parameters. LDAUJ=J1 J2 ... specifies the effective on-site Exchange interaction parameters. ÄÇôU1£¬U2£¬J1£¬J2ÈçºÎµÃµ½£¿ LMAXMIX to 4 (d elements) and 6 (f elements£© ÔÚCeO2ÌåϵÖй涨µÄÊǽ«Ce£¨4f£¬5s£¬5p£¬5d£¬6s£©×÷Ϊ¼Ûµç×Ó´¦ÀíµÄ£¬ÄÇÊDz»ÊǾÍÊÇ¿´×îÄÚ²ãµÄ¼Ûµç×ÓÊÇdµç×Ó»¹ÊÇfµç×Ó£¬¶ø¼ÓÒÔÑ¡ÔñµÄ£¿ÄÇÈç¹ûÊÇSµç×ÓÄØ£¿Ð»Ð»À² |
3Â¥2013-04-13 15:30:57
wuli8
ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)
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4Â¥2013-04-13 21:54:35
cuiwen0314
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ллÄúµÄ½âÊÍ£¡ ÄÇÄúÄܸøÎÒ½â´ðÏÂÃæÕâ¸öÎÊÌâÂ𣿠¸ÐлÄúµÄ»Ø¸´£¡ÓÐÒ»µãÎÒ²»Ã÷°×µÄÊÇÈç¹ûU²»¸ø¶¨µÄ»°£¬ÄÇLDAUL= LDAUU= LDAUJ= LMAXMIX = Õ⼸¸öÁ¿ÊÇÈçºÎÉ趨µÄÄØ£¬ÎÒ¿´ËµÃ÷Êé LDAUU=U1 U2 ... specifies the effective on-site Coulomb interaction parameters. LDAUJ=J1 J2 ... specifies the effective on-site Exchange interaction parameters. ÄÇôU1£¬U2£¬J1£¬J2ÈçºÎµÃµ½£¿ LMAXMIX to 4 (d elements) and 6 (f elements£© ÔÚCeO2ÌåϵÖй涨µÄÊǽ«Ce£¨4f£¬5s£¬5p£¬5d£¬6s£©×÷Ϊ¼Ûµç×Ó´¦ÀíµÄ£¬ÄÇÊDz»ÊǾÍÊÇ¿´×îÄÚ²ãµÄ¼Ûµç×ÓÊÇdµç×Ó»¹ÊÇfµç×Ó£¬¶ø¼ÓÒÔÑ¡ÔñµÄ£¿ÄÇÈç¹ûÊÇSµç×ÓÄØ£¿Ð»Ð»À² |
5Â¥2013-04-13 22:08:33
emilyoyang
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6Â¥2013-04-13 22:56:07
emilyoyang
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Sorry, please change LDAU = .FALSE. to .TRUE. as suggeted by wuli8 . i mad a mistake. If not DFT+U, U¡¡do not need these settings in INCAR, please leave it, these settings enjoy its default valuse in INCAR. there are many ways to get the U values, well, it's another topic we can discuss, which u could reserch it emuch. the vasp manual give a thorough descriping on the value of LMAXMIX, u can find it by ur self. the default values of LMAXMIX is 2 for s and p |
7Â¥2013-04-13 23:09:35
cuiwen0314
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8Â¥2013-04-15 09:01:18
bjmaowei25
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ÇëÎÊÂ¥Ö÷£¬ÄãÊÇѡȡCe ØÍÊÆ°üËĸöÖÐÄÇÒ»¸öÄØ£¿ Ce VRHFIN =Ce : [core= Kr 4d10] ºÜÂýµÃÊÕÁ²£¬Èç¹û²»µ÷²ÎÊý¼¸ºõ²»ÊÕÁ² PAW_PBE Ce 23Dec2003 12.0000000000000 parameters from PSCTR are: VRHFIN =Ce : [core= Kr 4d10] LEXCH = PE EATOM = 1063.0861 eV, 78.1346 Ry Ce_3 VRHFIN =Ce : [core=Xe4] s2d1f1 ÊÕÁ²ºÜ¿ì£¬µ«ÕâÀﺬ 4f µç×Ó£¿ PAW_PBE Ce_3 06Sep2000 11.0000000000000 parameters from PSCTR are: VRHFIN =Ce : [core=Xe4] s2d1f1 LEXCH = PE EATOM = 890.3669 eV, 65.4401 Ry Ce_GW Âý PAW Ce_GW 26Mar2009 12.0000000000000 parameters from PSCTR are: VRHFIN =Ce : [core=Kr4d] LEXCH = PE EATOM = 1063.0861 eV, 78.1346 Ry Ce_h ¿ì PAW_PBE Ce_h 03Mar2005 12.0000000000000 parameters from PSCTR are: VRHFIN =Ce : [core=Xe4] s2d1f1 LEXCH = PE EATOM = 1063.0861 eV, 78.1346 Ry |

9Â¥2013-06-05 22:56:25
cjcorange
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10Â¥2013-11-28 13:54:18













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