Energy Transfer in Cubic PbF2:Gd Crystals
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Abstract
The emission and excitation spectra of cubic PbF2:Gd were measured. Compared with pure crystals, the emissions from Gd3+ were observed upon cation exciton excitation in lattices, while the emission from intrinsic self-trapped exciton was quenched. It indicates the energy transfer from exciton to the 4f state of Gd3+.
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ZHANG Guo-Bin, SHI Jun-Yan, ZHANG Zeng-Ming, HAN Zheng-Fu, SHI Chao-Shu, ZHANG Xin-Yi, G. Zimmerer, M. Kirm, SHEN Ding-Zhong. Energy Transfer in Cubic PbF2:Gd Crystals[J]. Chin. Phys. Lett., 2001, 18(6): 829-830.
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ZHANG Guo-Bin, SHI Jun-Yan, ZHANG Zeng-Ming, HAN Zheng-Fu, SHI Chao-Shu, ZHANG Xin-Yi, G. Zimmerer, M. Kirm, SHEN Ding-Zhong. Energy Transfer in Cubic PbF2:Gd Crystals[J]. Chin. Phys. Lett., 2001, 18(6): 829-830.
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ZHANG Guo-Bin, SHI Jun-Yan, ZHANG Zeng-Ming, HAN Zheng-Fu, SHI Chao-Shu, ZHANG Xin-Yi, G. Zimmerer, M. Kirm, SHEN Ding-Zhong. Energy Transfer in Cubic PbF2:Gd Crystals[J]. Chin. Phys. Lett., 2001, 18(6): 829-830.
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ZHANG Guo-Bin, SHI Jun-Yan, ZHANG Zeng-Ming, HAN Zheng-Fu, SHI Chao-Shu, ZHANG Xin-Yi, G. Zimmerer, M. Kirm, SHEN Ding-Zhong. Energy Transfer in Cubic PbF2:Gd Crystals[J]. Chin. Phys. Lett., 2001, 18(6): 829-830.
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