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Tuning the surface state dimensionality of Cu nanostripes

被引：18
作者：
Lobo, J
Michel, EG
Bachmann, AR
Speller, S
Kuntze, J
Ortega, JE
机构：
[1] Univ Autonoma Madrid, Dept Fis Mat Condensada, E-28049 Madrid, Spain
[2] Univ Autonoma Madrid, Inst Univ Ciencias Mat Nicolas Cabrera, E-28049 Madrid, Spain
[3] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6525 ED Nijmegen, Netherlands
[4] Inst Expt & Angew Phys, D-24098 Kiel, Germany
[5] Univ Basque Country, Dept Fis Aplicada, E-20018 San Sebastian, Spain
[6] Ctr Mixto CSIC UPV & DIPC, San Sebastian 20018, Spain
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.93.137602
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Stepped Cu nanostripes with varying terrace widths are self-assembled during Ag-induced periodic faceting of vicinal Cu(111). By changing Ag coverage the average terrace size within individual Cu stripes is readily tuned, making it possible to select the one-dimensional or two-dimensional character of surface states. Furthermore, the average terrace size can be smoothly switched from 10 to 30 Angstrom, thereby tracking the transition from step-lattice, quasi-two-dimensional umklapp bands to terrace-confined one-dimensional quantum well states.
引用
收藏
页码：137602 / 1
页数：4
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