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    Journals >Journal of Inorganic Materials >Volume 37 >Issue 10 >Page 1073 > Article
    • Journal of Inorganic Materials
    • Vol. 37, Issue 10, 1073 (2022)
    Structural Evolution and Chemical Durability of Thorium-incorporated Nd2Zr2O7 Pyrochlore at A and B Sites
    Lielin WANG, Hua XIE, Yuqi XIE, Pingtao HU..., Wen YIN, Xinyue REN and Yun DING|Show fewer author(s)
    Author Affiliations
  • Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, China
    • show less
    DOI: 10.15541/jim20220077 Cite this Article
    Lielin WANG, Hua XIE, Yuqi XIE, Pingtao HU, Wen YIN, Xinyue REN, Yun DING. Structural Evolution and Chemical Durability of Thorium-incorporated Nd2Zr2O7 Pyrochlore at A and B Sites [J]. Journal of Inorganic Materials, 2022, 37(10): 1073 Copy Citation Text show less
    XRD patterns of samples Nd1.8Th0.2 Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
    1. XRD patterns of samples Nd1.8Th0.2 Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    SEM images and EDS elements mappings of samples Nd1.8Th0.2 Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
    2. SEM images and EDS elements mappings of samples Nd1.8Th0.2 Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Rietveld refinement patterns of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
    3. Rietveld refinement patterns of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Structural evolution of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
    4. Structural evolution of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Raman spectra of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
    5. Raman spectra of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Raman peak intensity variation of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
    6. Raman peak intensity variation of samples Nd1.8Th0.2Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Normalized release rates of Th in samples Nd1.8Th0.2Zr2O7 and Nd2Zr1.8Th0.2O7
    7. Normalized release rates of Th in samples Nd1.8Th0.2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Nd1.8Th0.2Zr2O7Nd2Zr2O7Nd2Zr1.8Th0.2O7
    Lattice parameter/nm 1.06370(2)1.06744(5)1.06781(4)
    Unit cell volume/nm31.2031.2161.217
    x-parameter of 48f oxygen 0.3322(6)0.3287(6)0.3365(5)
    A-O48f bond distance 2.5932(5)2.6285(4)2.5713(4)
    B-O48f bond distance 2.0737(3)2.0660(2)2.1017(2)
    A-B bond distance 3.7607(4)3.7739(1)3.7753(2)
    A-8a bond distance 2.3029(2)2.3110(1)2.3118(3)
    Rp4.66%5.17%4.43%
    Rwp6.04%6.79%5.94%
    χ22.6141.9322.237
    Table 1. Rietveld refinement parameters of samples Nd1.8Th0.2 Zr2O7, Nd2Zr2O7 and Nd2Zr1.8Th0.2O7
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    Lielin WANG, Hua XIE, Yuqi XIE, Pingtao HU, Wen YIN, Xinyue REN, Yun DING. Structural Evolution and Chemical Durability of Thorium-incorporated Nd2Zr2O7 Pyrochlore at A and B Sites [J]. Journal of Inorganic Materials, 2022, 37(10): 1073
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