1. Multifunctional Materials and Structures Key Laboratory of the Ministry of Education & International Center for Dielectric Research School of Electronic Science and Engineering Xi'an Jiaotong University Xi'an Shaanxi 710049 China
2. Transparent Ceramics Research Center Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai 201899 China
3. Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing 100049 China
4. State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of China Chengdu Sichuan 611731 China
5. Physics Department, Faculty of Science Tanta University Al‐Geish st. Tanta 31527 Egypt