溶液浓度对CCl4费米共振的影响

孙尚; 吴咏玲; 李硕; 蒋秀兰; 孙成林; 里佐威

doi:10.3788/fgxb20123308.0812

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溶液浓度对CCl₄费米共振的影响

材料合成及性能研究 | 更新时间：2020-08-12

- 溶液浓度对CCl₄费米共振的影响
- Effect of Solution Concentration on The Fermi Resonance(FR) of Carbon Tetrachloride
- 发光学报 2012年33卷第8期页码：812-816
- 作者机构：
  
  1. 吉林大学物理学院, 吉林长春 130012
  2. 青岛理工大学理学院, 山东青岛 266033
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10974067) 资助项目()
- DOI：10.3788/fgxb20123308.0812
  中图分类号： O433.4
- 纸质出版日期：2012-8-10，
  
  收稿日期：2012-5-8，
  
  修回日期：2012-5-21，
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孙尚, 吴咏玲, 李硕, 蒋秀兰, 孙成林, 里佐威. 溶液浓度对CCl4费米共振的影响[J]. 发光学报, 2012,33(8): 812-816

SUN Shang, WU Yong-ling, LI Shuo, JIANG Xiu-lan, SUN Cheng-lin, LI Zuo-wei. Effect of Solution Concentration on The Fermi Resonance(FR) of Carbon Tetrachloride[J]. Chinese Journal of Luminescence, 2012,33(8): 812-816
孙尚, 吴咏玲, 李硕, 蒋秀兰, 孙成林, 里佐威. 溶液浓度对CCl4费米共振的影响[J]. 发光学报, 2012,33(8): 812-816 DOI： 10.3788/fgxb20123308.0812.

SUN Shang, WU Yong-ling, LI Shuo, JIANG Xiu-lan, SUN Cheng-lin, LI Zuo-wei. Effect of Solution Concentration on The Fermi Resonance(FR) of Carbon Tetrachloride[J]. Chinese Journal of Luminescence, 2012,33(8): 812-816 DOI： 10.3788/fgxb20123308.0812.

摘要

测量了四氯化碳在苯中不同浓度的拉曼光谱

分析了不同浓度下四氯化碳

费米共振的变化。结果表明:随着浓度的降低

两费米双光谱强度比

增加

而频差Δ减小、费米共振耦合系数

减小、非谐力常数

增加。这种费米共振随浓度的变化是由溶剂效应引起的

即随着四氯化碳在苯中的浓度降低

其拉曼散射系数(光谱强度)增加

使两费米双线光谱强度增加而减弱了费米共振。

Abstract

The Raman spectra of CCl

diluted with C

at different volume fractions have been measured. We have calculated the

Fermi resonance parameters of CCl

in C

at different volume fractions according to the Bertran equations. It turns out to be that with the decreasing concentration of CCl

the ratio of intensities of Fermi doublets

increase

while all the other Fermi resonance parameters decrease. This phenomenon can be accounted for the solvent effect. The Raman scattering coefficients of CCl

in C

decrease with the CCl

volume fraction

which can be attributed to the enhancement of the

Fermi resonance of CCl

关键词

费米共振拉曼光谱溶剂效应

Keywords

Fermi resonanceRaman spectroscopysolvent effect

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