NUCLEATION AND GROWTH OF A H-INDUCED RECONSTRUCTION OF NI(110)

被引：91

作者：

NIELSEN, LP

BESENBACHER, F

LAEGSGAARD, E

STENSGAARD, I

机构：

[1] Institute of Physics, University of Aarhus

来源：

PHYSICAL REVIEW B | 1991年 / 44卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.44.13156

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dynamics of the hydrogen-induced reconstruction of Ni(110) at room temperature has been studied by scanning tunneling microscopy. The nucleation and growth of the "streaky" (1 x 2) H phase reveal that the reconstruction is very local in nature and evolves as a combined added and missing-row model with -Ni-H- chains growing preferentially along the [110BAR] direction. The hydrogen chemisorption induces a substantial mass transport, which explains why the restructuring is an activated process.

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页码：13156 / 13159

页数：4

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