Electronic structure of self-organized lateral superlattices on a metal surface: O/Cu(110)

被引:31
作者
Bertel, E [1 ]
Lehmann, J [1 ]
机构
[1] EURATOM, Max Planck Inst Plasmaphys, Abt Oberflachenphys, D-85740 Garching, Germany
关键词
D O I
10.1103/PhysRevLett.80.1497
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Self-organized formation of quasi-one-dimensional surface oxide domains on Cu(110) leads to a one-dimensional confinement of a Shockley surface state. High-resolution angle-resolved photoemission spectra show the appearance of singularities in the density of states expected for the. critical points of quasi-one-dimensional subbands. At higher oxygen coverages disorder decouples the individual domains (Anderson localization) and a pronounced quantum size shift of the resulting quantum well states is observed. [S0031-9007(98)05311-3].
引用
收藏
页码:1497 / 1500
页数:4
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