1. School of Materials and Metallurgy
2. Inner Mongolia University of Science and Technology
3. Baotou 014010
4. China
5. Electronic Materials Research Laboratory
6. Key Laboratory of the Ministry of Education & International Center for Dielectric Research
7. School of Electronic and Information Engineering
8. Xi'an Jiaotong University
9. Xi'an 710049
10. Inner Mongolia Key Laboratory of Ferroelectric-related New Energy Materials and Devices, Inner Mongolia University of Science and Technology