Electronic structure and properties of RbTiOPO4:Ta crystals
Li, Ziqing1,2; Chen, Yang1; Zhu, Pengfei1; Ji, Nianjing1; Duan, Xiulan1; Jiang, Huaidong1,2
2017
发表期刊RSC ADVANCES
ISSN2046-2069
卷号7期号:84页码:53111-53116
发表状态已发表
DOI10.1039/c7ra10310g
摘要RTP crystals doped with four different Ta concentrations were grown by high-temperature solution method. Ta dopants changed the growth habit of RTP and the (100) faces were more developed than the other crystal faces. The chemical composition and electronic structure were analyzed using Electron Probe Microanalysis (EPMA) and X-ray photoelectron spectroscopy (XPS). Ta elements could easily incorporate into RTP crystals from the melt due to the large distribution coefficient. As Ta content increased, the Rb 3d, Ti 2p, P 2p, O 1s XPS spectra showed a shift towards higher binding energy. The relative Ta atomic concentration in RTP: Ta crystals was calculated and it was determined that the molar ratio between Ta and Ti was higher than the nominal ratio. The thermal properties and SHG efficiency were also studied. Ta dopants decreased the transition temperature from the orthorhombic RTP phase to the cubic RTP phase and increased the decomposition temperature of the cubic RTP phase. When the Ta concentration increased to 9 mol%, the specific heat of the doped crystal was 1.5 times that of pure RTP crystal at 300 degrees C and SHG intensity was improved by 59% when compared with pure RTP. The results show that Ta doping is helpful for improvement of SHG efficiency and increasing resistance to laser irradiation.
收录类别SCI ; EI
语种英语
资助项目National Natural Science Foundation of China[51672160] ; National Natural Science Foundation of China[31430031]
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000416049900010
出版者ROYAL SOC CHEMISTRY
EI入藏号20174804477279
EI主题词Binding energy ; Chemical analysis ; Crystal structure ; Doping (additives) ; Electron probe microanalysis ; Electronic structure ; Harmonic generation ; Specific heat ; X ray photoelectron spectroscopy
EI分类号Tantalum and Alloys:543.4 ; Thermodynamics:641.1 ; Chemistry:801 ; Physical Chemistry:801.4 ; Crystal Lattice:933.1.1
WOS关键词NONLINEAR-OPTICAL PROPERTIES ; KTIOPO4 SINGLE-CRYSTALS ; NIOBIUM ; GROWTH ; FAMILY ; CSTIOASO4 ; HOST
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/10046
专题信息科学与技术学院
物质科学与技术学院
大科学中心_PI研究组_江怀东组
通讯作者Duan, Xiulan; Jiang, Huaidong
作者单位1.Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China
2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
第一作者单位物质科学与技术学院
通讯作者单位物质科学与技术学院
推荐引用方式
GB/T 7714
Li, Ziqing,Chen, Yang,Zhu, Pengfei,et al. Electronic structure and properties of RbTiOPO4:Ta crystals[J]. RSC ADVANCES,2017,7(84):53111-53116.
APA Li, Ziqing,Chen, Yang,Zhu, Pengfei,Ji, Nianjing,Duan, Xiulan,&Jiang, Huaidong.(2017).Electronic structure and properties of RbTiOPO4:Ta crystals.RSC ADVANCES,7(84),53111-53116.
MLA Li, Ziqing,et al."Electronic structure and properties of RbTiOPO4:Ta crystals".RSC ADVANCES 7.84(2017):53111-53116.
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