1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education, School of Electronic Science and Engineering, Faculty of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China
2. School of Natural Sciences and Mathematics, Ural Federal University, Ekaterinburg 620000, Russia
3. Institute of Technical Acoustics, National Academy of Sciences of Belarus, Vitebsk 210009, Belarus