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ÎÄÏ×ÖеÄÃèÊö£¬ÏëÇëÎÊÒ»ÏÂTi5C£¬O2CÕâ¸öÀïÃæµÄ5CºÍ2CÊÇÔõôÀ´µÄ¡£Ð»Ð»ÁË£¡£¡ We investigated the adsorption energy of a metal atom deposited on the stoichiometric TiO2 rutile (110) surface. The various possible sites of adsorption are shown in SI-Fig. 2. We find that the most favorable position for adsorption of either Pt or Au is on the Ti5C¨CO2C¨Cbri site, depicted in SI-Fig. 2(a). The calculated adsorption energies for Pt and Au atoms on that site are 44.38 and 10.90 kcal/mol, respectively. Two other possible locations are on Ti5C¨CTi5C¨Cbri and Ti5C-on-top sites for each Pt and Au, shown in SI-Fig. 2(b) and 2(c); the calculated adsorption energies for the Ti5C¨CTi5C¨Cbri site are 39.84 and 9.08 kcal/mol, respectively for Pt and Au, whereas 24.80 and 7.29 kcal/mol for the Ti5C-on-top site, |
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ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
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CÊÇWyckoff positionµÄ·ûºÅ TiO2 - RutileµÄspace Group No.136 (P42/mnm) ÔÚÕâÏÂÃæÍøÖ·ÕÒµ½Wyckoff position£¬È»ºó²é¿´¶ÔÓ¦µÄÔ×Ó×ø±ê http://www.cryst.ehu.es/cryst/get_wp.html Regards~ |

2Â¥2012-05-03 12:07:13
gbasp2003
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Wyckoff Positions of Group 136 (P42/mnm) Multiplicity Wyckoff letter Site symmetry Coordinates 16 k 1 (x,y,z) (-x,-y,z) (-y+1/2,x+1/2,z+1/2) (y+1/2,-x+1/2,z+1/2) (-x+1/2,y+1/2,-z+1/2) (x+1/2,-y+1/2,-z+1/2) (y,x,-z) (-y,-x,-z) (-x,-y,-z) (x,y,-z) (y+1/2,-x+1/2,-z+1/2) (-y+1/2,x+1/2,-z+1/2) (x+1/2,-y+1/2,z+1/2) (-x+1/2,y+1/2,z+1/2) (-y,-x,z) (y,x,z) 8 j ..m (x,x,z) (-x,-x,z) (-x+1/2,x+1/2,z+1/2) (x+1/2,-x+1/2,z+1/2) (-x+1/2,x+1/2,-z+1/2) (x+1/2,-x+1/2,-z+1/2) (x,x,-z) (-x,-x,-z) 8 i m.. (x,y,0) (-x,-y,0) (-y+1/2,x+1/2,1/2) (y+1/2,-x+1/2,1/2) (-x+1/2,y+1/2,1/2) (x+1/2,-y+1/2,1/2) (y,x,0) (-y,-x,0) 8 h 2.. (0,1/2,z) (0,1/2,z+1/2) (1/2,0,-z+1/2) (1/2,0,-z) (0,1/2,-z) (0,1/2,-z+1/2) (1/2,0,z+1/2) (1/2,0,z) 4 g m.2 m (x,-x,0) (-x,x,0) (x+1/2,x+1/2,1/2) (-x+1/2,-x+1/2,1/2) 4 f m.2 m (x,x,0) (-x,-x,0) (-x+1/2,x+1/2,1/2) (x+1/2,-x+1/2,1/2) 4 e 2.m m (0,0,z) (1/2,1/2,z+1/2) (1/2,1/2,-z+1/2) (0,0,-z) 4 d -4.. (0,1/2,1/4) (0,1/2,3/4) (1/2,0,1/4) (1/2,0,3/4) 4 c 2/m.. (0,1/2,0) (0,1/2,1/2) (1/2,0,1/2) (1/2,0,0) 2 b m.m m (0,0,1/2) (1/2,1/2,0) 2 a m.m m (0,0,0) (1/2,1/2,1/2) Â¥ÉϵĴóÏÀ£¬Âé·³Äã°ïÎÒ¿´¿´£¬Õâ¸öÊǽøÈ¥²éµ½µÄÊý¾Ý£¬Ã»ÓÐ5C,2C°¡£¬£¬ |
3Â¥2012-05-03 13:49:03














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