1. Faculty of Physics; Southern Federal University; ul. Zorge 5 344090 Rostov-on-Don Russia
2. CNRS; CEMHTI UPR3079; University of Orléans; F-45071 Orléans France
3. Platov South-Russian State Polytechnic University “NPI”; ul. Prosveshchenia 132 346428 Novocherkassk Russia
4. Universidade Federal de Minas Gerais; Belo Horizonte Brazil