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首页> 外文期刊>Optical Materials >Photoluminescence, scintillation and thermoluminescence properties of Ce-doped SrLaAl_3O_7 crystals synthesized by the optical floating zone method
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Photoluminescence, scintillation and thermoluminescence properties of Ce-doped SrLaAl_3O_7 crystals synthesized by the optical floating zone method

机译：光学浮区法合成Ce掺杂SrlaAl_3O_7晶体的光致发光，闪烁和热致发光性能

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Photoluminescence, scintillation and thermoluminescence properties of undoped and Ce-doped SrLaAl3O7 crystals grown using the optical Floating Zone technique were examined. An intense broad emission peak at 400 nm are observed from photoluminescence excitation-emission maps and scintillation spectra of the Ce-doped SrLaAl3O7 crystals, with the origin is ascribed to the 5d-4f transitions of Ce3+. The primary decay of the Cedoped and undoped SrLaAl3O7 crystals are attributable to the Ce3+ ions and intrinsic luminescence, respectively. The 3.0% Ce-doped SrLaAl3O7 crystal shows the highest light yield of 760 ph/5.5 MeV-alpha among the investigated samples based on pulse height analysis under alpha -rays excitation from 241Am.commentSuperscript/Subscript Available/commentABSTRACT Photoluminescence, scintillation and thermoluminescence properties of undoped and Ce-doped SrLaAl3O7 crystals grown using the optical Floating Zone technique were examined. An intense broad emission peak at 400 nm are observed from photoluminescence excitation-emission maps and scintillation spectra of the Ce-doped SrLaAl3O7 crystals, with the origin is ascribed to the 5d-4f transitions of Ce3+. The primary decay of the Cedoped and undoped SrLaAl3O7 crystals are attributable to the Ce3+ ions and intrinsic luminescence, respectively. The 3.0% Ce-doped SrLaAl3O7 crystal shows the highest light yield of 760 ph/5.5 MeV-alpha among the investigated samples based on pulse height analysis under alpha -rays excitation from 241Am.
机译：检查了使用光学浮区技术生长的未掺杂和CE掺杂的SrlaAl3O7晶体的光致发光，闪烁和热致发光性质。从光致发光激发 - 发射图和Ce掺杂的SrlaAl3O7晶体的闪烁光谱观察到400nm处的强烈的宽发射峰，原点归因于Ce3 +的5D-4F转变。嵌管和未掺杂的SrlaAl3O7晶体的主要衰减分别归因于CE3 +离子和本征发光。 3.0％CE掺杂的SRLAAL3O7晶体显示在α-TRYS激励下的脉冲高度分析的研究样品中的760 pH / 5.5mev-α的最高率为760 pH / 5.5mev-α。<注释>上标/下标可用摘要检查了使用光学浮区技术生长的未掺杂和CE掺杂的SrlaAl3O7晶体的光致发光，闪烁和热致发光性质。从光致发光激发 - 发射图和Ce掺杂的SrlaAl3O7晶体的闪烁光谱观察到400nm处的强烈的宽发射峰，原点归因于Ce3 +的5D-4F转变。嵌管和未掺杂的SrlaAl3O7晶体的主要衰减分别归因于CE3 +离子和本征发光。 3.0％CE掺杂的SrlaAl3O7晶体显示在241AM下基于脉冲高度分析的研究样品中的760 pH / 5.5mev-α的最高优点。

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