Electron confinement to nanoscale Ag islands on Ag(111): A quantitative study

被引：237
|
作者：
Li, JT [1 ]
Schneider, WD
Berndt, R
Crampin, S
机构：
[1] Univ Lausanne, Inst Phys Expt, CH-1015 Lausanne, Switzerland
[2] Rhein Westfal TH Aachen, Inst Phys, D-52056 Aachen, Germany
[3] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.80.3332
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Lateral confinement has been suggested as a possible mechanism for depopulation of surface state levels and concomitant modification of metal surface related properties. Studies to date give conflicting accounts of the effectiveness of confinement due to scattering at step edges. We present a quantitative study of surface states on nanoscale Ag islands on Ag(111), using low-temperature scanning tunneling microscopy and electronic structure calculations. These results confirm the validity of the confinement picture down to the smallest of island sizes.
引用
收藏
页码：3332 / 3335
页数：4
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