(Y0.25Yb0.25Er0.25Lu0.25)2(Zr0.5Hf0.5)2O7: A defective fluorite structured high entropy ceramic with low thermal conductivity and close thermal expansion coefficient to Al2O3. (15th February 2020) - Zhao, Zifan; Chen, Heng; Xiang, Huimin; Dai, Fu-Zhi; Wang, Xiaohui; Xu, Wei; Sun, Kuang; Peng, Zhijian; Zhou, Yanchun