Crystal growth, electronic structure and luminescence properties of Nb/Yb co-doped RbTiOPO4 crystals

doi:10.1016/j.optmat.2017.10.022

	Crystal growth, electronic structure and luminescence properties of Nb/Yb co-doped RbTiOPO4 crystals
Department	固体润滑国家重点实验室
	Liu J(刘建)1,2 ; Li ZQ(李自清)1; Zhu PF(朱朋飞)1; Duan XL(段秀兰)1; Duan XL(段秀兰)
	2018
Source Publication	Optical Materials
ISSN	0925-3467
Volume	75 Pages:38-43
Abstract	Nb/Yb co-doped RbTiOPO₄ (RTP) crystals were successfully grown by a top-seeded solution growth method from two different kinds of flux systems. 5%Nb/3%Yb: RTP crystal with more transparency was obtained from the mixed solvent containing MoO₃. The chemical composition was analyzed by Electron Probe Microanalyzer (EPMA), and the result indicated that co-doping of Nb and Yb into RTP can greatly increase the concentration of Yb in RTP crystal. The addition of MoO₃ into self-flux system can improve the quality of as-grown crystals, but it is not helpful to introduce Yb into crystal. The electronic structures of Nb/Yb: RTP crystals were analyzed using X-ray photoelectron spectra (XPS). The results show that the binding energy difference between O 1s and P 2p levels (ΔBE (O-P)) increases firstly with the increase of Yb content, and then decreases with Nb content increasing, which is associated with the covalency change of O-P bonds in crystals. However, the doping has little influence on the chemical bond properties of O-Ti. The FL spectra of Nb/Yb: RbTiOPO₄ crystals were also analyzed, and five emission peaks characteristic of Yb³^t ions were observed.
Keyword	Nb/yb Rtp Crystal Growth Electronic Structure Xps Luminescence
Subject Area	材料科学与物理化学
DOI	10.1016/j.optmat.2017.10.022
Funding Organization	the National Natural Science Foundation of China (51672160;51172130);Humanities and Social Sciences Youth Team Project of Shandong University (IFYT15015)
Indexed By	SCI
Language	英语
Funding Project	空间润滑材料研究组
compositor	第二作者单位
Citation statistics	Cited Times:6[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.licp.cn/handle/362003/22234
Collection	固体润滑国家重点实验室（LSL）
Corresponding Author	Duan XL(段秀兰)
Affiliation	1.State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan, 250100, PR China 2.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, PR China
Recommended Citation GB/T 7714	Liu J,Li ZQ,Zhu PF,et al. Crystal growth, electronic structure and luminescence properties of Nb/Yb co-doped RbTiOPO4 crystals[J]. Optical Materials,2018,75:38-43.
APA	Liu J,Li ZQ,Zhu PF,Duan XL,&段秀兰.(2018).Crystal growth, electronic structure and luminescence properties of Nb/Yb co-doped RbTiOPO4 crystals.Optical Materials,75,38-43.
MLA	Liu J,et al."Crystal growth, electronic structure and luminescence properties of Nb/Yb co-doped RbTiOPO4 crystals".Optical Materials 75(2018):38-43.

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