The study of optical and photoluminescence properties of codoped Lu2SiO5:Ce, Yb single crystals was performed using conventional spectroscopy as well as time-resolved spectroscopy under excitation by pulsed synchrotron radiation. It was shown that the quenching of cerium luminescence is due to the nonradiative energy transfer from Ce3+ to Yb(3+ )ions. It was confirmed also that such energy transfer is not cooperative process. According to the constructed vacuum referred binding energy diagram the possible mechanism of quenching of cerium luminescence is the metal-to-metal electron transfer from Ce3+ to Yb3+.
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Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R ChinaTongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China
Wu Fei
Liu Xiao-lin
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Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R ChinaTongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China
Liu Xiao-lin
Gu Mu
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Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R ChinaTongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China
Gu Mu
Ni Chen
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Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R ChinaTongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China
Ni Chen
Huang Shi-ming
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Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R ChinaTongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China
Huang Shi-ming
Liu Bo
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Tongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R ChinaTongji Univ, Dept Phys, Shanghai Key Lab Special Artificial Microstruct M, Shanghai 200092, Peoples R China