The effect of MgO and the non-stoichiometric ratio of La3+ on microwave dielectric properties of pyrochlorite La2Zr2O7 ceramics. - Chen, Bo; Zhao, Hongyang; Lin, Huixing; Peng, Haiyi; Yao, Xiaogang; Zhang, Long; Yang, Junjie; Li, Qun (Journal of Materials Science: Materials in Electronics, 2023)