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首页> 外文期刊>High temperature materials and processes >Textural and Optical Properties of Ce-Doped YAG/Al_2O_3 Melt Growth Composite Grown by Micro-Pulling-Down Method
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Textural and Optical Properties of Ce-Doped YAG/Al_2O_3 Melt Growth Composite Grown by Micro-Pulling-Down Method

机译：微拉法生长Ce掺杂YAG / Al_2O_3熔体生长复合材料的组织和光学性能

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摘要

Ce-doped YAG/Al_2O_3 melt-growth composite (MGC) samples were grown by the micro-pulling-down (μ-PD) method, and their physical and chemical properties were investigated. The grown MGC samples exhibit fine-grained granophyric texture at the micron scale. Fluorescence spectra, excited by a blue laser diode, were recorded, and, in particular, the finely textured granophyric MGC sample doped with 0.1 at% Ce and prepared with a growth rate of 3 mm/min shows superior fluorescence properties without high-temperature deterioration of fluorescence intensity. The μ-PD method is demonstrated to be applicable for manufacturing finely textured MGC samples with improved luminous efficiency as phosphors for white LEDs.
机译：采用微拉法（μ-PD）生长了铈掺杂的YAG / Al_2O_3熔体生长复合材料（MGC）样品，并对其物理化学性能进行了研究。生长的MGC样品在微米尺度上显示出细颗粒的粒状质地。记录了由蓝色激光二极管激发的荧光光谱，尤其是掺杂有0.1 at％Ce且以3 mm / min的生长速率制备的细织纹理的粒状MGC样品显示出优异的荧光性能，而不会发生高温劣化荧光强度。事实证明，μ-PD方法可用于制造具有改善的发光效率的细纹理MGC样品，作为白色LED的荧光粉。

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  • 来源
    《High temperature materials and processes》 |2018年第2期|127-131|共5页
  • 作者

    Rayko Simura; Tetsuo Taniuchi; Kazumasa Sugiyama; Tsuguo Fukuda;

  • 作者单位

    Institute for Materials Research, Tohoku University, Katahira 2-1-1, Aobaku, Sendai, Miyagi 980-8577, Japan;

    Frontier Research Institute for Interdisciplinary Science, Tohoku University, Aramakiaza Aoba 6-3, Aobaku, Sendai 980-8578, Japan;

    Institute for Materials Research, Tohoku University, Katahira 2-1-1, Aobaku, Sendai, Miyagi 980-8577, Japan;

    Fukuda Crystal Laboratory Co. Ltd., Minami- Yoshinari 6-6-3, Aobaku, Sendai, Miyagi 989-3204, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    melt-growth composites; Ce fluorescence; white LED; phosphors;

    机译：熔融增长复合材料;Ce荧光;白光LED;磷光体;

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