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Title: Time-dependent photoluminescence fatigue-recovery phenomena in germanium sulfide glasses
Authors: Nakanishi, Takayuki
Tomii, Yoichi
Hachiya, Kan  kyouindb  KAKEN_id
Author's alias: 蜂谷, 寛
Keywords: Chalcogenide glass
Photo-induced phenomena
Issue Date: Jun-2013
Publisher: Elsevier Ltd.
Journal title: Electrochimica Acta
Volume: 100
Issue: 30
Start page: 304
End page: 310
Abstract: Photoluminescence (PL) fatigue-recovery phenomena in germanium sulfide were investigated, and the temperature dependence of the time-dependent PL intensity for several compositions (Ge_{33.3}S_{66.7}, Ge_{20}S_{80} and Ge_{10}S_{90}) was analyzed. Side-bands were observed and two bands out of them for argon-ion laser excitation, one at 2.25 eV for all compositions and the other extended from 2.15 to 2.45 for Ge_{10}S_{90} especially at the lower temperatures, were used to fully describe the time-dependence.The functional form which is similar to those in the previous report [T. Nakanishi et al., J. Non-Cryst. Solids 354 (2008) 1627] was used and it is extended to account for the effect of side-band at below 30 K for Ge_{20}S_{80} and monotonous decrease of background for Ge10S90.
Rights: © 2012 Elsevier Ltd.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
DOI(Published Version): 10.1016/j.electacta.2012.09.095
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