1. Faculté des Sciences de Saint Jérõme, Institut Matériaux Microélectronique Nanosciences de Provence (IM2NP), Aix-Marseille Université, Marseille, France
2. Department of Mechanical Engineering, Lappeenranta-Lahti University of Technology, Lappeenranta, Finland
3. Department of Mechanical Engineering, University of Turku, Turku, Finland