Combustion synthesis and luminescence characteristic of rare earth activated LiCaBO_3

查看全文 作　　者：N.S. [1]Bajaj;S.K. [1]Omanwar

机构地区：[1]Department of Physics, SGB Amravati University Amravati-444602 (M.S.)

出　　处：《Journal of Rare Earths》索引2012年第30卷第10期,共4页

基　　金：Project supported by University Grant Commission, New Delhi (UGC/F.1/37-332/2009(SR)) 摘　　要：Lithium calcium borate (LiCaBO3) polycrystalline thermoluminescence (TL) phosphor doped with rare earth (Tb3+ and Dy3+) elements was synthesized by novel solution combustion synthesis. The reaction produced very stable crystalline LiCaBO3:D(D=Tb3+ and Dy3+) phosphors. These rare earth doped phosphors material showed maximum TL sensitivity with favorable glow curve shape. TL glow curve of X-ray irradiated that LiCaBO3:Tb3+ and LiCaBO3:Dy3+ samples showed two major well-separated glow peaks. The TL sensitivity of these phosphors to X-ray radiation was comparable with that of TLD-100(Harshaw). Photoluminescence spectra of LiCaBO3:Tb3+ and LiCaBO3:Dy3+ showed the characteristic Tb3+ and Dy3+ peaks respectively. TL response to X-ray radiation dose was linear up to 25 Gy. 关键词：燃烧合成稀土激活发光特性燃烧法稀土荧光粉光致发光光谱光灵敏度发光曲线

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Combustion synthesis and luminescence characteristic of rare earth activated LiCaBO_3

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