Title: Comparative study of composition dependences of photorefractive and related effects in LiNbO₃ and LiTaO₃ crystals
Authors: Kostritskii, S. M.
Sevostyanov, O. G.
Bourson, P.
Aillerie, M.
Fontana, M. D.
Kip, Detlef  
Language: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: Dec-2007
Publisher: Taylor & Francis
Document Type: Article
Journal / Series / Working Paper (HSU): Ferroelectrics 
Volume: 352
Issue: 1
Page Start: 61
Page End: 71
Publisher Place: London [u.a.]
Abstract: 
The results of a comparative study of composition dependences of the light-induced refractive index change, photorefractive sensitivity, polaron luminescence, and intrinsic optical absorption in nominally pure LiNbO 3 and LiTaO3 crystals are reported. Our investigation demonstrates that the particular light-induced defects traced by the photoluminescence are secondary photorefractive centers itself. The experimental results obtained are well described by light-induced dissociation of bipolarons into small polarons that are unstable at room temperature.
Organization Units (connected with the publication): Technische Universität Clausthal
URL: https://api.elsevier.com/content/abstract/scopus_id/50849084842
ISSN: 00150193
DOI: 10.1080/00150190701358134
Appears in Collections:Publications of the HSU Researchers (before HSU)

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