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题名: Low frequency 2D Raman-THz spectroscopy of ionic solution: A simulation study
作者: Pan, Zhijun1;  Wu, Tianmin1;  Jin, Tan2;  Liu, Yong2;  Nagata, Yuki3;  Zhang, Ruiting2;  Zhuang, Wei2
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2015-06-07
DOI: 10.1063/1.4917260
卷: 142, 期:21
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: The 2D Raman-THz spectrum of the MgCl2 solution was simulated using the molecular dynamics simulation and the stability matrix method and compared with that of the pure water. The 2D Raman-THz signal provides more information on the ion effects on the collective water motion than the conventional 1D signal. The presence of MgCl2 suppresses the cross peak of water between the hydrogen bond bending and the other intermolecular vibrational mode, which clearly illustrates that the water hydrogen bending motion is affected by the confining effect of the ions. Our theoretical work thus demonstrates that the 2D Raman-THz technique can become a valuable nonlinear vibrational probe for the molecular dynamics in the ionic solutions. (C) 2015 AIP Publishing LLC.
关键词[WOS]: 2-DIMENSIONAL INFRARED-SPECTROSCOPY ;  MOLECULAR-DYNAMICS SIMULATION ;  VIBRATIONAL-ENERGY TRANSFER ;  VISCOSITY B-COEFFICIENTS ;  KERR-EFFECT SPECTROSCOPY ;  AQUEOUS SALT-SOLUTIONS ;  NONLINEAR RESPONSE ;  LIGHT-SCATTERING ;  HYDRATED IONS ;  WATER
语种: 英语
WOS记录号: WOS:000355931800023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146299
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian, Peoples R China
3.Max Planck Inst Polymer Res, Dept Mol Spect, D-55128 Mainz, Germany

Recommended Citation:
Pan, Zhijun,Wu, Tianmin,Jin, Tan,et al. Low frequency 2D Raman-THz spectroscopy of ionic solution: A simulation study[J]. JOURNAL OF CHEMICAL PHYSICS,2015,142(21).
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