1. Institute of Applied Physics, Russian Academy of Sciences; Nizhny Novgorod Russia
2. St. Petersburg Electrotechnical University (LETI); St. Petersburg Russia
3. Institute for Physics of Microstructures of the Russian Academy of Sciences; Nizhny Novgorod Russia
4. National Institute of Standards and Technology, Materials Science and Engineering Division; Gaithersburg, MD USA
5. Ben Gurion University; Department of Materials Engineering; Beersheba Israel
6. London Centre for Nanotechnology and the Department of Electronic and Electrical Engineering, University College London; London UK