ELECTRON AND HOLE TRAPPING IN PBCL2 AND PBCL2-TL CRYSTALS

Citation
Sv. Nistor et al., ELECTRON AND HOLE TRAPPING IN PBCL2 AND PBCL2-TL CRYSTALS, Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 141(1-4), 1998, pp. 538-541
Citations number
12
Categorie Soggetti
Instument & Instrumentation","Nuclear Sciences & Tecnology","Physics, Atomic, Molecular & Chemical","Physics, Nuclear
ISSN journal
0168583X
Volume
141
Issue
1-4
Year of publication
1998
Pages
538 - 541
Database
ISI
SICI code
0168-583X(1998)141:1-4<538:EAHTIP>2.0.ZU;2-R
Abstract
Formation of primary paramagnetic point defects under low temperature X-ray irradiation have been studied by ESR and optical absorption in p ure and thallium doped PbCl2 single crystals. Besides Pb-2(3+) self-tr apped electron (STEL) centers the PbCl2 : Tl crystals exhibit trapped- electron (PbTl)(+)-type centers. Based on production properties of par amagnetic centers it is suggested that besides forming Tl-2 divided by centers the holes are self trapped at pairs of neighbouring Cl- anion s resulting in V-k type centers with various orientation and length of the Cl-Cl axis. (C) 1998 Published by Elsevier Science B.V. All right s reserved.