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Pressureless glass crystallization of transparent yttrium aluminum garnet-based nanoceramics

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  • Xiaoguang Ma

    (Chinese Academy of Sciences
    China University of Geosciences)

  • Xiaoyu Li

    (Chinese Academy of Sciences)

  • Jianqiang Li

    (Chinese Academy of Sciences
    School of Chemical Engineering, University of Chinese Academy of Sciences)

  • Cécile Genevois

    (Univ. Orléans)

  • Bingqian Ma

    (Chinese Academy of Sciences)

  • Auriane Etienne

    (Normandie Univ)

  • Chunlei Wan

    (Tsinghua University)

  • Emmanuel Véron

    (Univ. Orléans)

  • Zhijian Peng

    (China University of Geosciences)

  • Mathieu Allix

    (Univ. Orléans)

Abstract

Transparent crystalline yttrium aluminum garnet (YAG; Y3Al5O12) is a dominant host material used in phosphors, scintillators, and solid state lasers. However, YAG single crystals and transparent ceramics face several technological limitations including complex, time-consuming, and costly synthetic approaches. Here we report facile elaboration of transparent YAG-based ceramics by pressureless nano-crystallization of Y2O3–Al2O3 bulk glasses. The resulting ceramics present a nanostructuration composed of YAG nanocrystals (77 wt%) separated by small Al2O3 crystalline domains (23 wt%). The hardness of these YAG-Al2O3 nanoceramics is 10% higher than that of YAG single crystals. When doped by Ce3+, the YAG-Al2O3 ceramics show a 87.5% quantum efficiency. The combination of these mechanical and optical properties, coupled with their simple, economical, and innovative preparation method, could drive the development of technologically relevant materials with potential applications in wide optical fields such as scintillators, lenses, gem stones, and phosphor converters in high-power white-light LED and laser diode.

Suggested Citation

  • Xiaoguang Ma & Xiaoyu Li & Jianqiang Li & Cécile Genevois & Bingqian Ma & Auriane Etienne & Chunlei Wan & Emmanuel Véron & Zhijian Peng & Mathieu Allix, 2018. "Pressureless glass crystallization of transparent yttrium aluminum garnet-based nanoceramics," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03467-7
    DOI: 10.1038/s41467-018-03467-7
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    Cited by:

    1. Yongsheng Sun & Yuzhen Wang & Weibin Chen & Qingquan Jiang & Dongdan Chen & Guoping Dong & Zhiguo Xia, 2024. "Rapid synthesis of phosphor-glass composites in seconds based on particle self-stabilization," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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