首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Comparative OHD-RIKES and THz-TDS Probes of Ultrafast Structural Dynamics in Molecular Liquids
【24h】

Comparative OHD-RIKES and THz-TDS Probes of Ultrafast Structural Dynamics in Molecular Liquids

机译:分子液体中超快速结构动力学的OHD-RIKES和THz-TDS比较探针

获取原文
获取原文并翻译 | 示例
           

摘要

We compare terahertz time domain(THz-TDS)and optical heterodyne-detected Raman-induced Kerr effect(OHD-RIKES)spectroscopic techniques as probes of molecular and vibrational dynamics in the frequency range of 0.1 to 6 THz(3 to 200 cm~(-1))-The spectra of molecular liquids benzene,toluene,and bromobenzene,with dipole moments in the range of 0 to 1.7 D,are analyzed within a multimode spectral decomposition to examine the relative sensitivities of the techniques to distinguishable dynamical coordinates.We emphasize the use of minimum modal bases primarily for the purpose of comparing the spectra.Significant differences are found between the THz and OHD-RIKES spectra of benzene and bromobenzene that cannot be traced to rescaled oscillator strengths within a set of fixed-frequency modes.
机译:我们比较了太赫兹时域(THz-TDS)和光学外差检测拉曼诱导的Kerr效应(OHD-RIKES)光谱技术作为分子和振动动力学的探针,其频率范围为0.1至6 THz(3至200 cm〜( -1))-在多模光谱分解中分析了偶极矩为0至1.7 D的分子液体苯,甲苯和溴苯的光谱,以检验该技术对可区分的动态坐标的相对敏感性。强调使用最小模态基数主要是为了比较频谱。在苯和溴苯的THz和OHD-RIKES频谱之间发现了显着差异,无法在一组固定频率模式下追踪到重新定标的振荡器强度。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号