Thermoluminescence investigation of donor (Ce~(3+), Pr~(3+), Tb~(3+)) acceptor (Eu~(3+), Yb~(3+)) pairs in Y_3Al_5O_(12)

Fangtian You; Adrie J. J. Bos; Qiufeng Shi; Shihua Huang; Pieter Dorenbos

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Thermoluminescence investigation of donor (Ce~(3+), Pr~(3+), Tb~(3+)) acceptor (Eu~(3+), Yb~(3+)) pairs in Y_3Al_5O_(12)

机译：Y_3Al_5O_（12）中供体（Ce〜（3+），Pr〜（3+），Tb〜（3+））受体（Eu〜（3+），Yb〜（3+））对的热致发光研究

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The thermoluminescence properties of Y_3Al_5O_(12) (YAG) doped with an electron donor lanthanide (Ce~(3+), Pr~(3+), or Tb~(3+)) together with an electron acceptor lanthanide (Yb~(3+) or Eu~(3+)) were studied with the aim to locate the energy levels of each divalent and each trivalent lanthanide within the band gap. The activation energies needed to liberate electrons trapped by Yb~(3+) or Eu~(3+) were determined from thermoluminescence heating rate plots. With an automated thermoluminescence excitation spectroscopy technique, information on the energy level location of the electron donors Ce~(3+), Pr~(3+), and Tb~(3+) was obtained. By combining all data with an empirical model, a scheme containing all the divalent and trivalent lanthanide energy levels in YAG has been constructed.

机译：掺有电子给体镧系元素（Ce〜（3 +），Pr〜（3+）或Tb〜（3+））和电子受体镧系元素（Yb〜（）的Y_3Al_5O_（12）（YAG）的热致发光性质为了确定带隙内每个二价和三价镧系元素的能级，研究了3+）或Eu〜（3+））。由热致发光加热速率图确定释放由Yb〜（3+）或Eu〜（3+）俘获的电子所需的活化能。利用自动热发光激发光谱技术，获得了电子给体Ce〜（3 +），Pr〜（3+）和Tb〜（3+）的能级位置信息。通过将所有数据与经验模型结合，已构建了包含YAG中所有二价和三价镧系元素能级的方案。

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来源
《Physical review》 |2012年第11期|p.115101.1-115101.7|共7页
作者
Fangtian You; Adrie J. J. Bos; Qiufeng Shi; Shihua Huang; Pieter Dorenbos;
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作者单位

Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,Beijing Jiaotong University, Beijing 100044, P.R. China;

Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands;

Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,Beijing Jiaotong University, Beijing 100044, P.R. China;

Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology,Beijing Jiaotong University, Beijing 100044, P.R. China;

Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands;

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正文语种 eng
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photoluminescence, properties and materials; other luminescence and radiative recombination;

机译：光致发光;性质和材料;其他发光和辐射复合;

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Thermoluminescence investigation of donor (Ce~(3+), Pr~(3+), Tb~(3+)) acceptor (Eu~(3+), Yb~(3+)) pairs in Y_3Al_5O_(12)

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