Electronic structure of $Ce^{3+}$ multicenters in yttrium aluminum garnets

Przybylińska, H.; Ma, Chong-Geng; Gorbenko, V.; Kamińska, A.; Brik, M.; Suchocki, A.; Zorenko, Yu.; Berkowski, M.; Wrzesinski, H.; Sybilski, P.; Wittlin, A.

doi:10.1063/1.4812190

Journal Article

DESY-2014-01694

Electronic structure of $Ce^{3+}$ multicenters in yttrium aluminum garnets

Przybylińska, H. (Corresponding author) ; Ma, C.-G. ; Brik, M. ; Kamińska, A. ; Sybilski, P. ; Wittlin, A. ; Berkowski, M. ; Zorenko, Y.Extern* ; Gorbenko, V. ; Wrzesinski, H.Extern* ; Suchocki, A.

2013
American Institute of Physics Melville, NY

Applied physics letters 102(24), 241112 - 241112-4 (2013) [10.1063/1.4812190]

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Please use a persistent id in citations: doi:10.1063/1.4812190

Abstract: Low temperature, infrared, and visible-ultraviolet absorption spectra of yttrium aluminum garnet (YAG) bulk crystals and epitaxial layers doped with Ce are presented. In the region of intra-configurational 4f–4f transitions, the spectra of the bulk YAG crystals exhibit existence of at least two different Ce3+ related centers, a major one associated with Ce in regular positions substituting yttrium and also additional center, due to so called antisite positions in the garnet host, i.e., ions in the Al positions. Crystal field analysis based on exchange charge model exhibit excellent agreement with the experimental data for major Ce3+ center.

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