物理化学学报 >> 1997, Vol. 13 >> Issue (08): 685-692.doi: 10.3866/PKU.WHXB19970803

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[IrBr6]2-的反对称极化率与圆偏振激光诱导的ESR谱频移

李莉,何天敬,王秀燕,刘凡镇   

  1. 中国科技大学化学物理系和结构分析中心，合肥 230026
  • 收稿日期:1996-12-09 修回日期:1997-03-14 发布日期:1997-08-15
  • 通讯作者:

ESR Shift Induced by a Circularly Polarized Laser Beam and Antisymmetric Polarizability of [IrBr6]2-

Li Li,He Tian-Jing,Wang Xiu-Yan,Liu Fan-Zhen   

  1. Department of Chemical Physics and Structure Research Laboratory,University of Science and Technology of China,Hefei 230026
  • Received:1996-12-09 Revised:1997-03-14 Published:1997-08-15
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摘要：

在理论上研究了顺磁性粒子体系的圆偏振激光诱导的ESR谱频移效应．给出磁场中分子反对称极化率的公式，并以［IrBr6］2－离子为例讨论了吸收带半高宽的影响．计算了［IrBr6］2－的ESR谱在圆偏振激光作用下的频移．结果发现：在光学共振区附近，ESR频移可达1MHZ的量级，与钠原子体系结果类似．

关键词: 反对称极化率, 激光诱导的ESR谱频移, 过度金属络离子[IrBr6]2-

Abstract:

This paper studies theoretically the effect of circularly polarized laser on ESR spectra in a spin specie system. The antisymmetric polarizability and the laser-induced ESR shift (Δv -- Δv+) of the complex [IrBr6]2- were calculated. The influence of the width г of the absorption line on the ESR shift was discussed. The results show that the ESR shift can be as large as 1MHz order of magnitude at a frequency near optical absorption, which is similar to that of the sodium atom.

Key words: Antisymmetric polarizability, Laser-induced ESR shift, Transition metal complex [IrBr6]2-