Pico-second time-resolved luminescence spectra of excitonic molecules in CuCl |
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| Authors: | Masahiro Ojima Takashi Kushida Yuichi Tanaka Shigeo Shionoya |
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| Institution: | The Institute for Solid State Physics, The University of Tokyo, Roppongi, Minato-ku, Tokyo 106, Japan |
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| Abstract: | Transient luminescence behavior of excitonic molecules in CuCl is studied at 4.2 K with a time resolution of ～ 10 ps. The lifetime of the excitonic molecule state is determined to be several hundred pico-seconds. The spectral shape and the time characteristics of the luminescence intensity depend on excitation wavelength and also on the direction of observation. This is explained by the effect of the stimulated emission process. |
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