Luminescent properties of Ce:Gd3(Al,Ga,Mg,M)5O 12 crystal (M = Zr, Hf )

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Abstract

To obtain a new scintillator with a higher gamma-ray stopping power than conventional Ce:Gd3Al2Ga3O12 (Ce:GAGG), which has excellent light output and energy resolution, new scintillators based on Ce:GAGG, Ce:Gd3Al2Mg0.5Hf0.5Ga2O12, and Ce:Gd3Al2Mg0.5Zr0.5Ga2O12 were grown by the micro-pulling down method as the first step. We found that the emission wavelengths of these crystals became slightly longer than that of Ce:GAGG by approximately 10-20nm owing to the change in energy band structure.

Original languageEnglish
Article number04EG14
JournalJapanese Journal of Applied Physics
Volume53
Issue number4 SPEC. ISSUE
DOIs
Publication statusPublished - 2014 Apr

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