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Effects of SrO/Al2O3 Molar Ratio on the Luminescent Characteristics of Rare-Earth Strontium Aluminate Phosphors 张玉军1,谭砂砾2,尹衍升1 (1.Education Ministry Key Laboratory of Lquid Structure and Heredity... ratio on the crystalline phases and photoluminescence characteristics of strontium aluminate phosphors co-activ ated with Eu2+ and Dy3+ were conducted by X-ray powder diffractomet ry, fluorescence......
Preparation of Incompact Strontium Aluminate Phosphors Xia Wei1,Xiao Zhiguo1,Cao Wanghe2,Luo Xixian2 (1.Dalian Luming Light Science & Technology Co. ,Ltd.,Dalian 116025, China;2.Photoelectron... pigment glows in the dark for over 4000 min. Key words:long afterglow; strontium aluminate; rare earths; [全文内容正在添加中] ......
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Trans. Nonferrous Met. Soc. China 22(2012) s138-s142 Fabrication and characteristics of strontium barium niobate/barium strontium titanate ceramics by powder-sol method SHAN Lian-wei, WANG Feng-chun...; accepted 14 August 2012 Abstract: Barium strontium titanate (Ba1-xSrxTiO3, BST) and strontium barium niobate (SrxBa1-xNb2O6, SBN) are important ferroelectric materials with excellent pyroelectric......
Long Lasting Phosphorescence in Eu2+ and Ce3+ Co-Doped Strontium Borate Glasses Su Qiang1,Zhang Lan1,Li Chengyu1 (1.Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute... University, Guangzhou 510275, China) Abstract:Long lasting phosphorescence (LLP) was observed in Eu2+, Ce3+ co-doped strontium borate glasses prepared under the reducing atmosphere due to the emission......
:The electronic structure of the strontium aluminate (SrAl2O4:Eu2+) materials was studied with a combined experimental and theoretical approach.The UV-VUV synchrotron radiation was applied in the experimental... with the experimental value of 6.6 eV.The valence band consisted mainly of oxygen states whereas the bottom of the conduction band of strontium states.In agreement with the experimental results,the calculated 4f7......
系内pH值的差异是导致以Na2CO3作转化剂时SrSO4转化率显著高于以(NH4)2CO3作转化剂的根本原因. 关键词:天青石；碳酸锶；复分解；溶液化学 中图分类号:TB 321; TQ 132.3 文献标识码:A Preparation of strontium carbonate from celestite concentrate...) Abstract: The technology and mechanism of solution chemistry of preparation of strontium carbonate by double decomposition from celestite concentrate were investigated. The results indicate......
University of Technology, Nanjing 210009, China) Abstract:Barium strontium titanate/magnesia (BSTO/MgO) ferroelectric materials for phase shift were prepared by traditional ceramic process-solid phase... strontium titanate/magnesia; phase shifter; dielectric property; rare earths; [全文内容正在添加中] ......
; luminescence; strontium gallate; rare earths; [全文内容正在添加中] ......
action in bonded hybrid magnets, based on NdFeB and strontium ferrite powders were investigated. The long-range magnetostatic interaction and short-range exchange coupling interaction existed... pro rata. Key words:bonded hybrid magnet; NdFeB; strontium ferrite; magnetostatic interaction; exchange coupling interaction; rare earths; [全文内容正在添加中] ......
