Luminescence from metallic quantum wells in a scanning tunneling microscope

被引：75

作者：

Hoffmann, G ^{[1
]}

Kliewer, J ^{[1
]}

Berndt, R ^{[1
]}

机构：

[1] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.87.176803

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The tunneling current of a scanning tunneling microscope is reported to cause light emission from the metallic quantum well system Na on Cu(111). Optical spectra along with tunneling spectroscopy show that one component of the emission is due to interband transitions between quantum well states of the Na layer. The other component is similar to plasmon-mediated emission observed previously from noble metals. The emission is a unique local probe of the electronic structure of this quantum well system.

引用

页码：176803 / 176803

页数：4

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