高熵化设计: 稀土硅酸盐材料关键性能优化新策略
孙鲁超1(
), 任孝旻1,2, 杜铁锋1, 罗颐秀1, 张洁1, 王京阳1()
), 任孝旻1,2, 杜铁锋1, 罗颐秀1, 张洁1, 王京阳1()
High Entropy Engineering: New Strategy for the Critical Property Optimizations of Rare Earth Silicates
SUN Luchao1(), REN Xiaomin1,2, DU Tiefeng1, LUO Yixiu1, ZHANG Jie1, WANG Jingyang1()
), REN Xiaomin1,2, DU Tiefeng1, LUO Yixiu1, ZHANG Jie1, WANG Jingyang1()
图6. 高熵稀土双硅酸盐(Gd1/6Tb1/6Dy1/6Tm1/6Yb1/4Lu1/6)2Si2O7的(a) SEM照片和各元素分布的面扫描能谱分析; (b) HAADF-STEM及原子尺度元素分布; (c)稀土双硅酸盐全新相稳定模式示意图[
Fig. 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[
