1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, Xi’an Jiaotong University, Xi’an 710049, China
2. Department of Electronic Engineering, Xi’an University of Technology, Xi’an 710048, China
3. International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technologies, Xi’an Jiaotong University, Xi’an 710049, China
4. Department of Chemistry and 4D LABS, Simon Fraser University, Burnaby, BC V5A 1S6, Canada