Growth and property enhancement of Er 3+ -doped 0.68Pb(Mg 1/3 Nb 2/3 )O 3 -0.32PbTiO 3 single crystal
作者： Wei Long , Xing Chu , Zengzhe Xi , Pinyang Fang , Xiaojuan Li
DOI: 10.1016/J.JRE.2018.01.020
关键词:
摘要: Abstract Er3+-modified 0.68Pb(Mg1/3Nb2/3)O3-0.32PbTiO3 (PMN-32PT) single crystals were grown by using the flux method. The growth mechanism of crystal and influences Er3+ ions on phase structure, electrical optical properties investigated. Results reveal that are still pure perovskite structure with doping, but lattice enlarges slightly. coercive electric field is increased from 4.83 to 6.37 kV/cm for [100]-oriented comparing undoped PMN-32PT crystals. Moreover, exhibits upconversion emission properties. Green (531 552 nm) red (670 nm) bands recorded under excitation 980 nm diode laser, which correspond 2H11/2 → 4I15/2, 4S3/2 → 4I15/2 4F9/2 → 4I15/2 transitions ions. Our results show feasibility this in photoelectric multifunctional devices.
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