TIP-RELATED ELECTRONIC ARTIFACTS IN SCANNING TUNNELING SPECTROSCOPY

被引:31
作者
PELZ, JP [1 ]
机构
[1] IBM CORP,THOMAS J WATSON RES CTR,DIV RES,YORKTOWN HTS,NY 10598
来源
PHYSICAL REVIEW B | 1991年 / 43卷 / 08期
关键词
D O I
10.1103/PhysRevB.43.6746
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The electronic spectrum of the probe tip is found to play a crucial role in measurements of scanning tunneling spectroscopy. Tips with a nonuniform density of states can produce highly convoluted I-V curves, even if they produce atomic-resolution topographic images. In some cases, tips with a strongly peaked density of states away from the Fermi level can shift the apparent energy of spectral features of the sample by as much as 1 eV.
引用
收藏
页码:6746 / 6749
页数:4
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