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Low-voltage cathodoluminescence and Eu/Tb L-3-edge XANES of Na1+yCa1-x-2yEuxTbyPO4
Wang, YH; Hou, DJ; Zhou, L; Liang, HB; Huang, Y; Tao, Y; Jiang, Z; cesbin@mail.sysu.edu.cn
2014
Source PublicationOPTICAL MATERIALS
ISSN0925-3467
Volume36Issue:4Pages:839—844
AbstractEu2+/Tb3+ single-doped and co-doped NaCaPO4 phosphors were synthesized by a high temperature solid-state reaction method. Their photoluminescence, low-voltage cathodoluminescence and Eu/Tb L-3-edge X-ray absorption near edge structure (XANES) were studied. Under low-voltage electron beam excitation, NaCaPO4: Eu2+ exhibits a green emission and NaCaPO4: Tb3+ emits a color-tunable light resulted from cross-relaxation process. For co-doped samples NaCaPO4: Eu2+, Tb3+, dominant emission is from f-d transition of Eu2+ and the D-5(4)-F-2(5) transition of Tb3+ is overlapped to the former one. Eu/Tb L-3-edge XANES spectra confirmed the occurrence of Eu3+ and inexistence of Tb4+ ions in the samples. (C) 2013 Elsevier B.V. All rights reserved.
KeywordAlkaline Earth Phosphates Vuv-uv Excitation Luminescent Properties Energy-transfer Eu3++ Emission Phosphors Tb3++ Sensitization Leds Ba
Indexed BySCI
Language英语
WOS IDWOS:000331161500021
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14231
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorcesbin@mail.sysu.edu.cn
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Wang, YH,Hou, DJ,Zhou, L,et al. Low-voltage cathodoluminescence and Eu/Tb L-3-edge XANES of Na1+yCa1-x-2yEuxTbyPO4[J]. OPTICAL MATERIALS,2014,36(4):839—844.
APA Wang, YH.,Hou, DJ.,Zhou, L.,Liang, HB.,Huang, Y.,...&cesbin@mail.sysu.edu.cn.(2014).Low-voltage cathodoluminescence and Eu/Tb L-3-edge XANES of Na1+yCa1-x-2yEuxTbyPO4.OPTICAL MATERIALS,36(4),839—844.
MLA Wang, YH,et al."Low-voltage cathodoluminescence and Eu/Tb L-3-edge XANES of Na1+yCa1-x-2yEuxTbyPO4".OPTICAL MATERIALS 36.4(2014):839—844.
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