DETECTION OF SURFACE ACOUSTIC-WAVES BY SCANNING TUNNELING MICROSCOPY

被引：30

作者：

ROHRBECK, W

CHILLA, E

FROHLICH, HJ

RIEDEL, J

机构：

[1] Zentralinstitut für Elektronenphysik, Berlin, O-1086

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1991年 / 52卷 / 05期

关键词：

43.35-c; 61.16Di; 68.35Gy;

D O I：

10.1007/BF00324777

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new method for the investigation of ultrasonic waves on surfaces of solids based on scanning tunneling microscopy is presented. A sinusoidal high frequency signal is added to the tip voltage. Hence the tunneling current contains a component whose frequency is the difference of the frequencies of the acoustic wave field and the ac tip voltage. Amplitude and phase of this component carry the full information about the wave field.

引用

页码：344 / 347

页数：4

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