1. Department of Mechanical Engineering; McMaster University; 1280 Main St. W Hamilton Ontario L8S 4L7 Canada
2. Joint Stock Company ‘Railway Research Institute’; 3rd Mytischinskaya str. 10 Moscow 107996 Russia
3. Materials Research Laboratory; Kobe Steel Ltd., 1-5-5 Takatsuda-dai, Nishi-ku Kobe Hyogo 651-2271 Japan
4. LMA-Laboratory of Advanced Microscopy, at INA-Institute of Nanocience of Aragón; University of Zaragoza; Edificio I + D. Campus Rio Ebro.C/Mariano Esquillor, s/n 50018 Zaragoza Spain
5. Department of Physics Condensed Matter; University of Zaragoza; Zaragoza Spain
6. Biointerfaces Institute; McMaster University; ETB 422, 1280 Main St West Hamilton Ontario L8S 0A3 Canada