Photoluminescence and scintillation of LGS (La3Ga5SiO14), LNGA (La3Nb0.5Ga5.3Al0.2O14) and LTGA (La3Ta0.5Ga5.3Al0.2O14) single crystals
β Scribed by Yoshisuke Futami; Takayuki Yanagida; Yutaka Fujimoto; Vitezslav Jary; Jan Pejchal; Yuui Yokota; Masae Kikuchi; Martin Nikl; Akira Yoshikawa
- Book ID
- 113832281
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 637 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0925-3467
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## Abstract The thermal expansion of trigonal La~3~Nb~0.5~Ga~5.5~O~14~ (LNG), La~3~Ta~0.5~Ga~5.5~O~14~ (LTG) and monoclinic La~3~SbZn~3~Ge~2~O~14~ (LSZG) was studied with X-ray powder diffraction technique. The trigonal crystal structures of LNG and LTG are stable under elevated temperature and no
The spectroscopic properties of two partially disordered crystals langasite (LGS) and langatate (LGT) doped with Eu 3+ were investigated. The fluorescence lifetimes of 5 D 0 and 5 D 1 excited levels are measured. The spectroscopic figures of merit R 0 , R 2 (the areas of the electric-dipole transiti