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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
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CCl<sub>4</sub>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CCl<sub>4</sub>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.
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
v
1
+
v
4
~
v
3
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
R
增加
而频差Δ减小、费米共振耦合系数
W
减小、非谐力常数
K
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。
The Raman spectra of CCl
4
diluted with C
6
H
6
at different volume fractions have been measured. We have calculated the
v
1
+
v
4
~
v
3
Fermi resonance parameters of CCl
4
in C
6
H
6
at different volume fractions according to the Bertran equations. It turns out to be that with the decreasing concentration of CCl
4
the ratio of intensities of Fermi doublets
R
increase
while all the other Fermi resonance parameters decrease. This phenomenon can be accounted for the solvent effect. The Raman scattering coefficients of CCl
4
in C
6
H
6
decrease with the CCl
4
volume fraction
which can be attributed to the enhancement of the
v
1
+
v
4
~
v
3
Fermi resonance of CCl
4
.
费米共振拉曼光谱溶剂效应
Fermi resonanceRaman spectroscopysolvent effect
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