Self-assembled rare-earth silicide nanowires on Si(001)

被引:204
作者
Nogami, J [1 ]
Liu, BZ
Katkov, MV
Ohbuchi, C
Birge, NO
机构
[1] Michigan State Univ, Dept Mat Sci & Mech, E Lansing, MI 48824 USA
[2] Michigan State Univ, Ctr Fundamental Mat Res, E Lansing, MI 48824 USA
[3] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
关键词
D O I
10.1103/PhysRevB.63.233305
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents scanning tunneling microscope images of several rare-earth metal silicides grown on silicon (001). For certain of the metals studied (Dy, Ho), an anisotropy in lattice match with the substrate results in the formation of nanowires. These nanowires have desirable properties such as nanometer lateral dimension, crystalline structure with a low density of defects, and micrometer scale length. Tunneling spectroscopy on the nanowires indicates that they are metallic.
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页数:4
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