Polarization sensitive photo recharging and optical alignment of the tetragonal Fe3+ centers in KTaO3

Autor(en): Basun, SA
Bursian, VE
Hesse, H
Kapphan, S
Sochava, LS
Vikhnin, VS
Herausgeber: Matthews, GE
Williams, RT
Stichwörter: alignment; EPR; Fe3+; insulators; KTaO3; Materials Science; Materials Science, Multidisciplinary; photo recharging; point defects
Erscheinungsdatum: 1997
Herausgeber: TRANS TECH PUBLICATIONS LTD
Journal: PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE ON DEFECTS IN INSULATING MATERIALS - ICDIM 96
MATERIALS SCIENCE FORUM
Volumen: 239-
Startseite: 345
Seitenende: 348
Zusammenfassung: 
Orientation sensitive recharging of tetragonal Fe-K-O-i centers in KTaO3 under polarized optical irradiation was observed resulting in the `'alignment'' of the centers in particular charge state. The sign of the alignment altered in the course of irradiation. A phenomenological model involving photo charge transport allowed for a semiquantitative description of the experiments.
Beschreibung: 
13th International Conference on Defects in Insulating Materials (ICDIM 96), WAKE FOREST UNIV, WINSTON SALEM, NC, JUL 15-19, 1996
ISBN: 9780878497560
ISSN: 02555476
DOI: 10.4028/www.scientific.net/MSF.239-241.345

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