Isochromat photon map induced by scanning tunneling microscopy from gold particles

被引：30

作者：

Umeno, T ^{[1
]}

Nishitani, R ^{[1
]}

Kasuya, A ^{[1
]}

Nishina, Y ^{[1
]}

机构：

[1] TOHOKU UNIV,INST MAT RES,SENDAI,MIYAGI 98077,JAPAN

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.54.13499

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have measured the maps of isochromat photon intensity induced by scanning tunneling microscopy (STM) from noble metal particles (Au) on a graphite surface. The map is obtained simultaneously with the STM topography image using an optical band-pass filter. The photon map changes depending on the wavelength of the light collected. The isochromat photon maps show that the spectra are varied with the tip position on the particles. This spectra variation is explained by the effect of the change in the tip curvature radius on the spectra of a local plasmon.

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页码：13499 / 13501

页数：3

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