1. Department of Theoretical Mechanics, Engineering and Robomechanical Systems, National Aerospace University, Kharkiv 61070, Ukraine
2. Department of Gaseous Electronics, Jozef Stefan Institute, Ljubljana 1000, Slovenia
3. School of Engineering, The Australian National University, Canberra, ACT 2601, Australia
4. Université de Lorraine, CNRS, IJL, F-54000 Nancy, France
5. Dipartimento di Fisica “Giuseppe Occhialini”, Università degli Studi di Milano-Bicocca, Piazza della Scienza 3, I20126 Milan, Italy
6. Center for Nanoscience and Technology, Anna University, Chennai, 600 025, India
7. Plasma Sources and Application Centre, NIE, Nanyang Technological University, 637616, Singapore