1. Centre for Smart Materials and Jeremiah Horrocks Institute for Mathematics, Physics and Astronomy, University of Central Lancashire, Preston, PR1 2HE, United Kingdom
2. Institut Jean Lamour UMR 7198, Université de Lorraine − CNRS, Nancy54011, France
3. Physics Department, School of Engineering Science, LUT University, 53851 Lappeenranta, Finland and Natural Resources Institute Finland (Luke), Production Systems, 00790Helsinki, Finland