Title: Influence of oxidizing treatments on the photorefractive properties of ferroelectric lead germanate crystals
Authors: Hu, Yi
Kip, Detlef  
Mendricks, S.
Yue, Xuefeng
Krätzig, E.
Language: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: 2001
Publisher: Taylor & Francis
Document Type: Article
Journal / Series / Working Paper (HSU): Ferroelectrics 
Volume: 256
Issue: 1
Page Start: 81
Page End: 89
Publisher Place: London [u.a.]
Abstract: 
The influence of oxidizing treatments on the photorefractive properties of nominally pure ferroelectric lead germanate crystals is investigated. In two-wave mixing experiments the dark conductivity, the intensity dependence of the photoconductivity, the effective charge density and the factors that reduce the space-charge field are determined. Oxidizing treatments increase the photoconductivity and the effective charge density, but decrease the electron-hole-competition factor. The experimental results can be explained in terms of a one-center model with electron-hole competition. © 2001 OPA (Overseas Publishers Association) N.V.
Organization Units (connected with the publication): Universität Osnabrück
URL: https://api.elsevier.com/content/abstract/scopus_id/78649298100
ISSN: 00150193
DOI: 10.1080/00150190108015975
Appears in Collections:Publications of the HSU Researchers (before HSU)

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