光电子快报(英文版), 2018, 14 (5): 355, Published Online: Apr. 16, 2019  

Optical properties of Cr3+ doped Na5Lu9F32 single crystals grown by the Bridgman method

Author Affiliations
1 Key Laboratory of Photo-electronic Materials, Ningbo University, Ningbo 315211, China
2 College of Physics and Electronic Engineering, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
3 Department of Physics, Dalian Maritime University, Dalian 116026, China
Abstract
The growth of Na5Lu9F32 single crystals doped with Cr3+ ions in 0.1 mol%, 0.2 mol% and 0.5 mol% concentrations by Bridgman method was reported. The optical absorption and luminescence spectra decisively demonstrate that the Cr dopant enters Na5Lu9F32 as Cr3+. Fluorescence emission at wavelengths of 418 nm, 444 nm, 653 nm and 678 nm can be observed under the excitation of 372 nm and the fluorescence lifetime at 418 nm was measured to be ~10.31 μs. The possible crystal sites for Cr3+ ions in Na5Lu9F32 single crystal were discussed, and the lattice parameter Dq, Racach parameters B and C were estimated.

ZHAO Zhi-wei, XIA Hai-ping, HU Jian-xu, ZHANG Jian-li, ZHU Yong-sheng, CHEN Bao-jiu (陈宝玖)3. Optical properties of Cr3+ doped Na5Lu9F32 single crystals grown by the Bridgman method[J]. 光电子快报(英文版), 2018, 14(5): 355.

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