高熵陶瓷(Zr1/7Hf1/7Ce1/7Y2/7La2/7)O2-δ的制备及烧结行为

张丰年, 郭猛, 苗洋, 高峰, 成楚飞, 程富豪, 刘宇峰

Preparation and Sintering Behavior of High Entropy Ceramic (Zr1/7Hf1/7Ce1/7Y2/7La2/7)O2-δ

ZHANG Fengnian, GUO Meng, MIAO Yang, GAO Feng, CHENG Chufei, CHENG Fuhao, LIU Yufeng

表1 氧化物的晶体结构、空间群及对应阳离子配位数和半径[42]

Table 1 Crystal structures, space groups (number), cation coordination numbers (CN) and corresponding cationic radii (rc) of selected oxides[42]

Oxides Crystal structure Space group (number) CN rc /nm ZrO2 Cubic Fm-3m (225) 8 0.084 HfO2 Monoclinic P21/c (14) 8 0.083 CeO2 Fluorite Fm-3m (225) 8 0.097 Y2O3 Bixbyite Ia-3 (206) 6 0.090 La2O3 Trigonal P-3m (164) 6 0.1032