A new (3 x 3)R40° surface reconstruction of the Pt(111) surface

被引：0
|
作者：
Wu, Qi-Hui [1 ]
机构：
[1] Quanzhou Normal Univ, Dept Chem, Coll Chem & Life Sci, Quanzhou 362000, Peoples R China
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2013年 / 93卷 / 08期
关键词：
Pt(111); STM; surface reconstruction; METHANOL OXIDATION; AU(001) SURFACE; ORIENTATIONAL EPITAXY; CARBON-MONOXIDE; PLATINUM; SCATTERING; PHASES; MECHANISM; PT(001); GROWTH;
D O I：
10.1080/09500839.2013.805266
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The surface structure of a clean Pt(111) single crystal was studied using scanning tunnelling microscopy. The surface is unreconstructed after annealing at a temperature lower than 1100K, but reconstructs at an annealing temperature higher than 1375K in an ultrahigh vacuum chamber to form a (3x3)R40 degrees surface. The transition leads to domains as large as 13x13nm(2), implying that the reconstructed surface is stabilized by medium-range atomic interactions. The surface atomic density of the reconstructed surface area is 1.33 times of that of the unreconstructed one.
引用
收藏
页码：465 / 472
页数：8
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