1. School of Physics and Materials Science, Nanchang University, Nanchang 330031, China
2. Institute of Space Science and Technology, Nanchang University, Nanchang 330031, China
3. Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, SE 100 44 Stockholm, Sweden
4. Applied Mathematics Department, Research School of Physics and Engineering, The Australian National University, Acton ACT 2610, Australia
5. Departamento de Física de Materiales and Instituto de Ciencia de Materiales Nicolás Cabrera, Universidad Autónoma de Madrid, 28049 Madrid, Spain
6. Faculty of Science and Technology, Norwegian University of Life Sciences, Ås, Norway
7. European Laboratory for Non-Linear Spectroscopy (LENS), Via Nello Carrara 1, Sesto F.no 50019, Italy
8. Departamento de Física de la Materia Condensada, ICMSE-CSIC, Universidad de Sevilla, Apdo. 1065, 41080, Sevilla, Spain
9. Department of Physics and Technology, University of Bergen, Allégaten 55, 5007 Bergen, Norway
10. Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 3, 79104 Freiburg, Germany
11. Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, Oklahoma 73019, USA
12. Department of Energy and Process Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
13. Centre for Materials Science and Nanotechnology, Department of Physics, University of Oslo, P. O. Box 1048 Blindern, NO-0316 Oslo, Norway
14. Centre of Excellence ENSEMBLE3 Sp. z o. o., Wolczynska Str. 133, 01-919, Warsaw, Poland