Title
Electron self-trapping and photolysis in <tex>$PbCl_{2}$</tex> crystals Electron self-trapping and photolysis in <tex>$PbCl_{2}$</tex> crystals
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Engineering sciences. Technology
Source (journal)
Radiation effects and defects in solids. - New York, N.Y.
Source (book)
7th Europhysical Conference on Defects in Insulating Materials (Eurodim, 94), JUL 05-08, 1994, ECOLE NORMALE SUPIRIEURE LYON, LYON, FRANCE
Volume/pages
136(1995) :1-4 , p. 157-161
ISSN
1042-0150
ISI
A1995UT94500034
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Strongly anisotropic paramagnetic centers produced by X-ray or UV-irradiation of PbCl2 crystals at T = 80 K have been attributed to Pb-2(3+) self-trapped electron (STEL) centers. The self-trapping of free (conduction) electrons at pure cation sites is further supported by production experiments using selective optical excitation in the fundamental absorption band. Optical bleaching experiments suggest the STEL center to be the primary defect responsible for the photolysis in PbCl2, with the g approximate to 2 centers representing hole-trapped centers.
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