Sum-frequency spectroscopy on bulk and surface phonons of noncentrosymmetric crystals

被引：4

作者：

Liu, Wei-Tao ^{[1
]}

Shen, Y. R. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

来源：

ANNALEN DER PHYSIK | 2011年 / 523卷 / 1-2期

关键词：

Sum-frequency spectroscopy; surface phonons; noncentrosymmetric crystals; alpha-quartz; ATOMIC-FORCE MICROSCOPY; ALPHA-QUARTZ SURFACE; MODES; LEED;

D O I：

10.1002/andp.201000093

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Infrared-visible sum-frequency spectroscopy is shown to be an effective tool to probe not only bulk phonons, but also microscopic surface phonons of noncentrosymmetric crystals. Results on alpha-quartz are presented as an example. The observed surface phonons of the (0001) surface agree well with the calculated surface structure. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：101 / 106

页数：6

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