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Formation of the electron spectrum of ZnSe-based scintillators under annealing in zinc vapor

Authors
Kim, Y. K.Kim, J. K.Lee, W. G.Starzhinskiy, N.Ryzhikov, V.Katrunov, K.Gal'chinetskii, L.
Issue Date
Dec-2006
Publisher
한국물리학회
Keywords
ZnSe; scintillator; transmission spectrum; absorption band; annealing
Citation
Journal of the Korean Physical Society, v.49, no.6, pp 2282 - 2285
Pages
4
Indexed
SCIE
SCOPUS
KCI
Journal Title
Journal of the Korean Physical Society
Volume
49
Number
6
Start Page
2282
End Page
2285
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/180676
ISSN
0374-4884
1976-8524
Abstract
The effects of an aftergrowth annealing of ZnSe(IVD) scintillators of two types in a Zn vapor have been studied by using a complex optical investigation. As a result of such an annealing, there arises an absorption band with a maximum at E = 2.35 eV. The results of the annealing in zinc indicate that the luminescence peak at 625 nm induced by a photoexcitation within the absortion band and an absorption on the free charge carriers in the IR spectral range are inherent in both types of crystals. The carrier concentration can be calculated up to values on the order of 2 x 10(16) cm(-3).
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Kim, Yong Kyun
COLLEGE OF ENGINEERING (DEPARTMENT OF NUCLEAR ENGINEERING)
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