Article 772 K.M. Gambaryan V.G. Harutyunyan V.M. Aroutiounian Y. Ai E. Ashalley Z.M. Wang Journal of Physics D: Applied Physics 48 275302 (7pp) 2015 http://iopscience.iop.org/journal/0022-3727;jsessionid=38695B064D0A9864CCBDED1A…