Influence of temperature on luminescence of terbium ions in LiNbO3

Citation
W. Ryba-romanowski et al., Influence of temperature on luminescence of terbium ions in LiNbO3, APPL PHYS L, 78(23), 2001, pp. 3610-3611
Citations number
7
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
APPLIED PHYSICS LETTERS
ISSN journal
00036951 → ACNP
Volume
78
Issue
23
Year of publication
2001
Pages
3610 - 3611
Database
ISI
SICI code
0003-6951(20010604)78:23<3610:IOTOLO>2.0.ZU;2-4
Abstract
Single crystals of LiNbO3 doped with terbium were grown by the Czochralski method and their optical properties were examined. It has been found that, in contrast to isostructural LiTaO3:Tb, the terbium ions in LiNbO3 exhibit intense luminescence at low temperatures only, up to about 150 K. At this t emperature, a luminescence quenching mechanism with activation energy of 0. 22 eV is switched on. As a consequence, the luminescence of LiNbO3:Tb is re duced to a negligible level at room temperature. (C) 2001 American Institut e of Physics.