Inelastic electron tunneling spectroscopy of an alkanethiol self-assembled monolayer using scanning tunneling microscopy

被引：65
|
作者：
Okabayashi, Norio [1 ,2 ]
Konda, Youhei [1 ]
Komeda, Tadahiro [1 ,2 ]
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9800877, Japan
[2] Japan Sci & Technol Corp, CREST, Kawaguchi, Saitama 3320012, Japan
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 21期
关键词：
D O I：
10.1103/PhysRevLett.100.217801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report inelastic electron tunneling spectroscopy (IETS) of a C(8) alkanethiol self-assembled monolayer using a scanning tunneling microscope (STM). High-resolution STM IETS spectra show clear features of the C-H bending and C-C stretching modes in addition to the C-H stretching mode, which enables a precise comparison with previously reported vibrational spectroscopy, especially electron energy loss spectroscopy data. Intensity variation of vibrational peaks with tip position is discussed with the STM IETS detection mechanism.
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页数：4
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