Numéro
J. Phys. IV France
Volume 01, Numéro C7, Décembre 1991
2nd International Conference
Laser M2P
Page(s) C7-285 - C7-288
DOI http://dx.doi.org/10.1051/jp4:1991777
2nd International Conference
Laser M2P

J. Phys. IV France 01 (1991) C7-285-C7-288

DOI: 10.1051/jp4:1991777

Mn4+ MULTISITES AND Mn4+ → Tm3+ ENERGY TRANSFERS IN Gd3Ga5O12 GARNET

A. BRENIER1, C. PEDRINI1, C. MADEJ1, G. BOULON1 and A. SUCHOCKI2

1  Laboratoire de Physico-Chimie des Matériaux Luminescents, URA 442, Université Lyon I, 43 Boulevard du 11 novembre 1918, F-69622 Villeurbanne cedex, France
2  Institute of Physics, Polish Academy of Sciences, Warszawa, Poland


Abstract
We report the crystal growth in our laboratory and the luminescence study of Ca2+-Mn4+ and Ca2+-Mn4+/Tm3+ doped Gd3Ga5O12 garnets. Multisites of Mn4+ ions are revealed at liquid helium temperature by laser excitation and emission spectra and by decay time analysis.



© EDP Sciences 1991