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[ÇóÖú] CASTEP¼ÆËãFe in Fe/Cu

¸÷λºÃ£¬Ð¡µÜÔÚËã Fe/Cu bilayerµÄʱºòÓöµ½Ò»¸öÎÊÌâ¡£

¼ÙÉèÎÒÓÐ4²ãCu£¨100£©Ô­×Ó³¤ÔÚ4²ãfcc Fe£¨100£©Ô­×ÓÉÏÃæ¡£¿ÉÒÔͨ¹ýCASTEPÀïÃæ½á¹¹ÓÅ»¯£¨ÎÞÂÛÊÇ·ñ¿¼ÂÇ×ÔÐý£©ºóµÄ×ÔÐý״̬upºÍdnµÄ¼ÓºÍ¶¼Ð¡ÓÚ8. °´Àí˵FeÊÇ3d64S2½á¹¹£¬×ܺÍÓ¦¸ÃÊÇ8»òÕß6¡£ÎÒÒ²ÊÔ×ÅÏÈÓÃforciteÀïÃæ½á¹¹ÓÅ»¯ÏÈ£¬½á¹¹¶¼ÊÇÀàËÆ¡£

ͬʱÎÒÒ²ÊÔ¹ý¼Ó´óinitial spin£¬Ã¿¸öÔ­×ÓµÄintial spin=3ºÍ2Çø±ðÒ²²»´ó£»ÎÒÒ²ÊÔ¹ý±ä»¯layer²ãÊý£¬½á¹û²î±ðÒ²²»´ó¡£spinµÄ¼ÆËã½á¹ûÈçFig.1

ÎÒµÄÄ¿µÄÊÇÏëËã³ö²»Í¬Fe²ãµÄFeµÄ´ÅÐÔ¡£Ï£ÍûµÃµ½µÄ½á¹ûÈçFig.2 ºÍFig.3ÖеĽá¹û¡£
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Fig. 1 4 layer Fe on 4 layer Cu, spin state.



Fig.2 PRL-spin state 2009



Fig.3 PRB spin state 2004
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  • ¸½¼þ 1 : 2004_PRB_Abinitio_fccFe_Cu(100).pdf
  • 2012-08-07 04:38:51, 126.78 K
  • ¸½¼þ 2 : 2009_PRL_newmodelformagnetismfccFeonCu(001).pdf
  • 2012-08-07 04:38:54, 616.25 K

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