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mecarlos

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jpchou

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

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ÂþÌìÆ®Ñ©: ½ð±Ò+2, лл½»Á÷£¡ 2016-07-19 22:18:49
mecarlos: ½ð±Ò+50, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2016-07-20 12:51:00
???????§à??@?????????????
1. ????????§»?P?VASP?? core level ???
    VASP ??? reference ??????? Fermi level (OUTCAR ??)
    ??????J???@???????????^????
    ??ï…PBE ???????? VBM ????^§³ (???? band gap ??????????)
    ????~?? VBM ?? reference ?????????
    ???????y?^ C1s core level shift
    ???? graphene (sp2 carbon) ?c diamond (sp3 carbon)
    ??????@????? core level shift ?s 0.8 eV
    ??????????Y?? (PBE) ??? 0.8 eV
    ????VASP ??t????????????c??????? core level shift

2. ??????^ ICORELEVEL = 2 ???
    ???????? C1s core level shift ????^ ICORELEVEL = 2 ?????
    ICORELEVEL = 2 "??Q" ????^??_
    ??S???????

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2016-07-19 19:05:58
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mecarlos

½ð³æ (СÓÐÃûÆø)

Ëͺ컨һ¶ä
???????:
2?: Originally posted by jpchou at 2016-07-19 19:05:58
???????§à??@?????????????
1. ????????§»?P?VASP?? core level ???
    VASP ??? reference ??????? Fermi level (OUTCAR ??)
    ??????J???@???????????^????
    ??ï…PBE ???????? VBM ?? ...

???§Ý§Ý??????~

PBE???????band gap ???????????????????????????????hybrid functional
?????????band gap ?????exchange coefficient

????reference level??????
????????????????Ge bulk???????????band structure alignment??
??VBM?????¦Ë??????? ????????VBM????¦Ï??????????

??????core level shift??????????
???????????? ????????§à?C??? 1s core level???¦Ï???????????????????fermi level???????????????????????????
???Ñö? ?????????????? ??????????????????????????????????????
??????????????core level???????????????????????????????????XPS??????? ???????????????????

???????? ICORELEVEL=2 ????????????
????????core level????????????????

?????????? ??????????????? ???core level???¦Ï??????binding energy difference???????????
???????????????core level difference?????????????????????????????§à??§Ü?? ??????????????~??
???????????????
3Â¥2016-07-20 13:14:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jpchou

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

???????:
3?: Originally posted by mecarlos at 2016-07-20 13:14:49
???§Ý§Ý??????~

PBE???????band gap ???????????????????????????????hybrid functional
?????????band gap ?????exchange coefficient

????reference level??????
???????????????? ...

??????core level shift??????????
???????????? ????????§à?C??? 1s core level???¦Ï???????????????????fermi level???????????????????????????
???Ñö? ?????????????? ??????????????????????????????????????
??????????????core level???????????????????????????????????XPS??????? ???????????????????
> ??????¦Ï?  "C??? 1s core level???¦Ï???????????????????fermi level??????"  (????? core level binding energy)
   ??....??????...?c??????????
   ?????? C1s core level ??s???? 291~292 ??g
   ?????? 284~285
   ???? Kresse ?????????????????? core level energy ????§Ö?
   ???????????????????????????  (core level shift)
   ????????????????????? VASP ??????????????^?? ~  >_<
   PRB 70 (2004) 165405



???????? ICORELEVEL=2 ????????????
????????core level????????????????
> §³????????????? ICORELEVEL = 2 ?r
   ??? CLZ ???O?? 1 or 0.5 ?
   ???K?]?§®y?^?@??????????
   ?? PAPER ??? 0.5 ??????? (PRB 63 205419)
   ???????? 1??????S???????? 0.5 ?????????~
4Â¥2016-07-20 18:22:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaoguan2014

гæ (³õÈëÎÄ̳)

ÄúºÃ£¬ÎÒÏëÇëÎÊÒ»ÏÂcore Level Óë VBMÖ®¼äµÄ binding energy difference ´ú±íʲôº¬ÒåÄØ£¿£¿µç×ÓԾǨ£¿
ÒòΪÎÒûÓнӴ¥¹ýÕâ¸ö£¬µ«ÊÇ×î½üÔÚһƪÎÄÏ×ÀïÓöµ½ÁËÕâ¸ö£¬ËùÒÔÏëÇëÎÊÒ»ÏÂÕâ¸ö´ú±í×Åʲô£¿£¿
5Â¥2016-09-22 10:03:53
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Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ mecarlos µÄÖ÷Ìâ¸üÐÂ
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