An interpretation of the correlation between the intensity of Scanning Tunneling Microscopy (STM) induced light emission and the topographic height for the metal particles

被引：4
|
作者：
Nishitani, R [1 ]
Umeno, T [1 ]
Kasuya, A [1 ]
机构：
[1] TOHOKU UNIV, INST MAT RES, SENDAI, MIYAGI 98077, JAPAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1997年 / 36卷 / 11B期
关键词：
STM; tunneling induced light emission; photon map; gold particles; STM induced dipole;
D O I：
10.1143/JJAP.36.L1545
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The correlation between the intensity of Scanning Tunneling Microscopy(STM) induced light emission and the topographic height for metal particles is described. The topographic height dependence of the STM induced light emission from the STM induced dipole on the gold particles is calculated. The light emission is considered as the radiation from tunneling induced dipole, and the intensity is calculated as a function of the orientation of the dipole moment which depends on the position of the STM tip over the particles. The light intensity is nearly proportional to the topographic height of the particles. This result explains the linear correlation of the contrast between the photon intensity map and the STM topographic image.
引用
收藏
页码：L1545 / L1547
页数：3
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