Time-Resolved Luminescence Spectra of AgBr at High Density Excitations
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概要
- 論文の詳細を見る
Tow new luminescence bands of AgBr have been investigated over a wide range ofexcitation power. A luminescxence band (,V#-line) at 2 = 465 nun is intrinsic to AgBr athigh density excitations by a pulsed dye Baser, a nitrogen laser and a pico-secondNd"-YAG laser. Dependence of the intensity on the excit;xtion power, the energyposition, the line shape, and the response to external magnetic fields of thisluminescence band verify that the .V-line is due to the partial radiative recombinationof "free excitonic molecules" in AgBr. Another band (0-band) at 2=478 nm is ob-served over a wide range of excitations and yields no superlinear dependence on excita-lion intensity in this range. Multiphonon structure at CW excitation together with sen-sitive dependence of the intensity on the origin and history of specimens suggest thatthe 0-band is due to unknown trapped and/ or immobile states in purer but imperfectspecirnens of AgBr.
- 社団法人日本物理学会の論文
- 1987-07-15
著者
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BABA Tetsuya
Department of Ophthalmology, Kagawa University Faculty of Medicine
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Baba Tetsuya
Department Of Ophthalmology Kagawa University Faculty Of Medicine
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Baba Tetsuya
Department Of Pure And Applid Sciences University Of Tokyo:national Research Laboratory Of Metrology
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MASUMI Taizo
Department of Pure and Applid Sciences,University of Tokyo
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Masumi Taizo
Department Of Applied Physics University Of Tokyo
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Masumi Taizo
Department Of Pure And Applid Sciences University Of Tokyo
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