Effects of Ce3+ energy level structure on absorption and luminescence properties of Ce-doped YAlO3,Y3Al5O12,and LaAlO3 single crystals |
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| Authors: | Xiaodan Wang Hongmin Mao Chunlan Ma Jun Xu and Xionghui Zeng |
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| Institution: | (3**) 1 Department of Physics,Suzhou University of Science and Technology,Suzhou 215009,China 2 Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai 201800,China 3 Suzhou Institute of Nanotech and Nano-bionics,Chinese Academy of Sciences,Suzhou 215123,China |
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| Abstract: | We investigate the spectra and scintillation properties of Ce:YA103,Ce:Y3Al5O12,and Ce:LaA103.For Ce:YAlO3,the excitation spectrum is very similar with the absorption spectrum;for Ce:Y3Al5O12 and Ce:LaAlO3,the excitation spectra are different from the absorption spectra.Further,Ce:YAlO3 has better scintillation performance than Ce:Y3Al5O12 whereas Ce:LaAlO3 has not demonstrated scintillation performance to date.We also provide reasonable explanations for these experimental phenomena from the viewpoint of energy level structure. |
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