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AUTOIONIZATION OF HIGHER EXCITED-STATES GENERATED BY 2-PHOTON ABSORPTION IN PARA-TERPHENYL CRYSTALS

被引：6
作者：
KATOH, R
KOTANI, M
机构：
[1] Faculty of Science, Gakushuin University, Tokyo, 171, Mejiro
来源：
CHEMICAL PHYSICS LETTERS | 1992年 / 188卷 / 1-2期
关键词：
D O I：
10.1016/0009-2614(92)85092-O
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
It has been found that higher excited states, populated by two-photon absorption, ionize with an efficiency which, in the energy range of 5.3-6.4 eV, is independent of the energy of the excitation. This behavior is similar to that observed in sequential two-step excitation (exciton photoionization) and indicates that the higher excited states rapidly relax to a lower-lying state which autoionizes, irrespective of the mode of excitation. Results of improved measurements of exciton photoionization are also presented.
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页码：80 / 84
页数：5
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