Fabrication and properties of La2-xGdxHf2O7 transparent ceramics
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- 作者：Zhengjuan Wanga ; b ; Guohong Zhoua ; sic_zhough@mail.sic.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Fang Zhanga ; Xianpeng Qina ; Jianping Aia ; b ; Shiwei Wanga ; swwang51@mail.sic.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：La2-xGdxHf2O7 ; Transparent ceramics ; Vacuum sintering ; Grain size ; Density ; Scintillator
- 刊名：Journal of Luminescence
- 出版年：2016
- 出版时间：January 2016
- 年：2016
- 卷：169
- 期：part_PB
- 页码：612-615
- 全文大小：1722 K
文摘
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A new series of La2-xGdxHf2O7 transparent ceramics were fabricated by vacuum sintering using combustion-synthesized powders.
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All the ceramics are transparent and the in-line transmittance can reach to 76.1% at 800 nm when x=1.2.
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The Gd content has effects on the crystal structure, in-line transmittance, microstructures and densities of the ceramics.
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With high density (7.91~8.88 g/cm3) and effective atomic number, some of the La2-xGdxHf2O7 transparent ceramics are promising candidates for scintillator hosts.