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ÇëÎÊÓÐûÓдóÉñÖªµÀ¹ØÓÚÃæÐÄÁ¢·½½ðÊôµÄ¸÷¸öÃæ·ÖÀࣿÈçPt,´øÓУ¨111£©terracesµĄ̈½×Ãæ¾ßÓÐMiller indexes (n+1,n-1,n-1),,¼´£ºPt£¨311£©£¬n=2¡¢Pt£¨533£©£¬n=4¡¢Pt£¨755£©n=6¡¢¾ùÊôÓÚͬһϵÁÐÃæ¡£      ÎÒÏÖÔÚÏëÇëÎÊ£¬ÓÐûÓдóÉñÖªµÀ£¨17 11 9£©ÊôÓÚÄĸöϵÁеģ¿Ïà¹Ø¹«Ê½ÊÇ£¿Çë´óÉñ°ï棬¸Ð¼¤²»¾¡£¡£¨ÒÔÏÂÊÇÎÒ¿´ÎÄÏ×¹ØÓÚÃæÏµÁеÄÃèÊö£ºThese surfaces can be classified in two different series, i.e., surfaces with terraces with (1 1 1) symmetry and (1 0 0)
steps and surfaces with (1 0 0) terraces and (1 1 1) steps. The Miller indices for the surfaces with (1 1 1) terraces are (n+1,n-1,n-1), which also can be denoted as Pt(S)[n(1 1 1)*(1 0 0)] in the terrace-step notation proposed by Lang et al. [19] (n is the number of atoms in the terrace). The surfaces
with (1 0 0) terraces have Miller indexes (2n-1,1,1), which are equivalent to Pt(S)[n(1 0 0)*(1 1 1)]. The Pt(3 1 1) surface is the turning point in the
zone  since it can be denoted as Pt(S)[2(1 0 0)*(1 1 1)] or Pt(S)[2(1 1 1)*(1 0 0)].£©
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