Optical Absorption, Fluorescence, and Electron Spin Resonance of Ir 4+  on Octahedral Sites in Y 3 Ga 5 O 12 | Zendy

Andlauer B. | Zendy; Schneider J. | Zendy; Tolksdorf W. | Zendy

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Optical Absorption, Fluorescence, and Electron Spin Resonance of Ir 4+ on Octahedral Sites in Y 3 Ga 5 O 12

Author(s) -

Andlauer B.,

Schneider J.,

Tolksdorf W.

Publication year - 1976

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.2220730220

Subject(s) - excited state , electron paramagnetic resonance , zeeman effect , resonance (particle physics) , absorption (acoustics) , spectroscopy , atomic physics , fluorescence , octahedron , energy level splitting , absorption spectroscopy , ground state , spin (aerodynamics) , chemistry , analytical chemistry (journal) , materials science , nuclear magnetic resonance , crystallography , physics , optics , magnetic field , crystal structure , quantum mechanics , composite material , thermodynamics , chromatography

Ir 4+ , incorporated on the octahedral a‐sites of Y 3 Ga 5 O 12 :Ir, has been investigated by electron spin resonance at 9 and 35 GHz, and by optical absorption spectroscopy in the range 5000 to 6000 cm −l . For an unequivocal optical identification Zeeman measurements were performed. In the same energy range fluorescence from Ir 4+ could be observed. Analysis of the data obtained by electron spin resonance and optical techniques reveals that the properties of the 2 T 2g ground state of Ir 4+ are partly determined by interaction with higher excited states.

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