Theoretical study of pressure shift for  R  line of Cr 3+  ion in lanthanum lutetium gallium garnet | Zendy

Zhou YiYang | Zendy

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Theoretical study of pressure shift for R line of Cr 3+ ion in lanthanum lutetium gallium garnet

Author(s) -

Zhou YiYang

Publication year - 2006

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200642278

Subject(s) - lutetium , lanthanum , gallium , ion , line (geometry) , spectral line , luminescence , crystal (programming language) , chemistry , analytical chemistry (journal) , materials science , physics , inorganic chemistry , yttrium , metallurgy , optics , quantum mechanics , geometry , mathematics , organic chemistry , computer science , programming language , oxide , chromatography

The pressure shifts for R line ( 2 E → 4 A 2 transition) of Cr 3+ luminescence spectra in lanthanum lutetium gallium garnet (LLGG:La 3 Lu 2 Ga 3 O 12 ) are studied by a molecular orbital model. The obtained pressure dependence of R line is in qualitative agreement with experiments, this is an attempt to overcome the theoretical difficulty for the R line pressure shifts of Cr 3+ :LLGG within the crystal‐field approximation. The anticrossing model and the assumed nephelauxetic effect for Cr 3+ ions in gallium garnets are mentioned. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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