NONLINEAR OPTICAL STUDIES OF THE PURE LIQUID VAPOR INTERFACE - VIBRATIONAL-SPECTRA AND POLAR ORDERING

被引：181

作者：

SUPERFINE, R

HUANG, JY

SHEN, YR

机构：

[1] Department of Physics, Lawrence Berkeley Laboratory, University of California, Berkeley

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.66.1066

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using infrared-visible sum-frequency generation we have obtained the vibrational spectra of CH stretches of methanol molecules at the interface between methanol vapor and liquid. This is the first vibrational spectrum ever observed from a neat liquid surface. The measured polarization dependence and phase of the nonlinear susceptibility allow us to conclude that the surface methanol molecules are polar oriented with the CH3 group pointing away from the liquid with a very broad orientational distribution.

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页码：1066 / 1069

页数：4

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