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    Journals >Journal of Inorganic Materials >Volume 36 >Issue 4 >Page 339 > Article
    • Journal of Inorganic Materials
    • Vol. 36, Issue 4, 339 (2021)
    High Entropy Engineering: New Strategy for the Critical Property Optimizations of Rare Earth Silicates
    Luchao SUN1, Xiaomin REN1、2, Tiefeng DU1, Yixiu LUO1, Jie ZHANG1, and Jingyang WANG1、*
    Author Affiliations
  • 11. Advanced Ceramics and Composites Division, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
  • 22. School of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
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    DOI: 10.15541/jim20200611 Cite this Article
    Luchao SUN, Xiaomin REN, Tiefeng DU, Yixiu LUO, Jie ZHANG, Jingyang WANG. High Entropy Engineering: New Strategy for the Critical Property Optimizations of Rare Earth Silicates[J]. Journal of Inorganic Materials, 2021, 36(4): 339 Copy Citation Text show less
    HAADF-STEM image of high entropy (Y1/4Ho1/4Er1/4Yb1/4)2- SiO5, EDS mapping of uniform spatial distributions for each element[40]
    1. HAADF-STEM image of high entropy (Y1/4Ho1/4Er1/4Yb1/4)2- SiO5, EDS mapping of uniform spatial distributions for each element[40]
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    Temperature dependent thermal expansion coefficient of high entropy (Y1/4Ho1/4Er1/4Yb1/4)2SiO5[40]
    2. Temperature dependent thermal expansion coefficient of high entropy (Y1/4Ho1/4Er1/4Yb1/4)2SiO5[40]
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    Surface observations of high entropy (Er1/4Tm1/4Yb1/4Lu1/4)2Si2O7 after CMAS corrosion at 1500 ℃ for 4 h (a-b) and 50 h (c-d) [48]
    3. Surface observations of high entropy (Er1/4Tm1/4Yb1/4Lu1/4)2Si2O7 after CMAS corrosion at 1500 ℃ for 4 h (a-b) and 50 h (c-d) [48]
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    Observations of the reaction front in the cross-sections of high entropy (Er1/4Tm1/4Yb1/4Lu1/4)2Si2O7 after CMAS corrosion at 1500 ℃ for 4 h (a,b) and 50 h (c,d)[48]
    4. Observations of the reaction front in the cross-sections of high entropy (Er1/4Tm1/4Yb1/4Lu1/4)2Si2O7 after CMAS corrosion at 1500 ℃ for 4 h (a,b) and 50 h (c,d)[48]
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    (a) XRD patterns of (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2 Si2O7, along with the standard XRD patterns of RE2Si2O7 (RE = Y, Gd, Tb, Dy, Tm, Yb and Lu) and (b) Rietveld refinement of XRD pattern for (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7[50]
    5. (a) XRD patterns of (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2 Si2O7, along with the standard XRD patterns of RE2Si2O7 (RE = Y, Gd, Tb, Dy, Tm, Yb and Lu) and (b) Rietveld refinement of XRD pattern for (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7[50]
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    (a) SEM image of (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7 surface with EDS mappings of Si, Gd, Tb, Dy, Tm, Yb and Lu, (b) STEM high angle annular dark field (HAADF) image and corresponding selected compositional EDS maps of high entropy (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7, and (c) schematic diagram of the phase formation of (6RE1/6)2Si2O7[50]
    6. (a) SEM image of (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7 surface with EDS mappings of Si, Gd, Tb, Dy, Tm, Yb and Lu, (b) STEM high angle annular dark field (HAADF) image and corresponding selected compositional EDS maps of high entropy (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7, and (c) schematic diagram of the phase formation of (6RE1/6)2Si2O7[50]
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    (a)TG/DTA curves of (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2 Si2O7 and (b) XRD patterns of specimens after being heat-treated at 1800 and 1900 ℃ for 2 h[50]
    7. (a)TG/DTA curves of (Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2 Si2O7 and (b) XRD patterns of specimens after being heat-treated at 1800 and 1900 ℃ for 2 h[50]
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    Schematics of the polymorphic transformation temperatures and melting points of RE2Si2O7 disilicates[50]
    8. Schematics of the polymorphic transformation temperatures and melting points of RE2Si2O7 disilicates[50]
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    Luchao SUN, Xiaomin REN, Tiefeng DU, Yixiu LUO, Jie ZHANG, Jingyang WANG. High Entropy Engineering: New Strategy for the Critical Property Optimizations of Rare Earth Silicates[J]. Journal of Inorganic Materials, 2021, 36(4): 339
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