TUNNEL GAP IMAGING STUDY OF HIGHLY ORIENTED PYROLYTIC-GRAPHITE USING SCANNING TUNNELING MICROSCOPE

被引：7
|
作者：
KIMURA, M
OKUMURA, A
MIYAMURA, K
GOHSHI, Y
机构：
[1] Department of Applied Chemistry, The University of Tokyo, Hongo, Bunkyo, okyo
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1994年 / 33卷 / 12A期
关键词：
SCANNING TUNNELING MICROSCOPE; I-S CHARACTERISTICS; TUNNEL GAP; IMAGING;
D O I：
10.1143/JJAP.33.6733
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An STM system capable of measuring the tunnel gap separation (s) dependence of tunnel current (I), i.e., the I-s characteristics, was constructed. The I-s characteristics were successfully measured by sweeping the set current, instead of modulating the tip position. It was found that the tunnel current could be detected over a separation range of 1 nm. Furthermore, a new imaging technique, tunnel gap imaging, which maps out the lateral distribution of the 1-s characteristics, is proposed and realised.
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页码：6733 / 6736
页数：4
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