期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 22, 期 22, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/22/22/225902
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资金
- Polish Ministry of Science and Higher Education [N N202 203734, N N202 203838]
Studies of absorption and luminescence spectra, and luminescence decay times of the intrashell f-f transitions of Yb3+ ions in bulk orthophosphates at different temperatures and at high hydrostatic pressures are presented. The spectroscopic properties of Y0.99Yb0.01PO4 crystal with a tetragonal zircon structure and Gd0.99Yb0.01PO4 and La0.95Yb0.05PO4 crystals with a monoclinic monazite structure are compared. Experiments at ambient pressure were performed at temperatures from 10 to 295 K whereas measurements at high pressure were performed in a diamond-anvil cell at 10 K with a pressure up to 160 kbar. The results reveal a high thermal and pressure stability of the optical properties of the examined crystals as well as the dependence of Yb3+ emission properties on the local symmetry of the site occupied by the ytterbium dopant.
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