1. Institute of Materials Science, Kaunas University of Technology, K. Baršausko St. 59, Kaunas LT-51423, Lithuania
2. Department of Physics, Kaunas University of Technology, Studentu̧ St. 50, Kaunas LT-51368, Lithuania
3. Australian Institute for Bioengineering and Nanotechnology (AIBN) and School of Chemical Engineering, The University of Queensland, Brisbane, Queensland 4072, Australia
4. JST-ERATO Yamauchi Materials Space-Tectonics Project, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
5. International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan