First-principles step- and kink-formation energies on Cu(111)

被引:46
作者
Feibelman, PJ [1 ]
机构
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
来源
PHYSICAL REVIEW B | 1999年 / 60卷 / 15期
关键词
D O I
10.1103/PhysRevB.60.11118
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In rough agreement with experimental values derived from Cu-island shapes vs temperature, ab initio calculations yield formation energies of 0.27 and 0.26 eV/step-edge atom for (100)- and (111)-microfacet steps on Cu(111), and 0.09 and 0.12 eV per kink in those steps. Comparison to ab initio results for Al and Pt shows that as a rule, the average formation energy of straight steps on a close-packed metal surface equals similar to 7% of the metal's cohesive energy. [S0163-1829(99)04639-1].
引用
收藏
页码:11118 / 11122
页数:5
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