1. Laboratory of Magnetoelectronics, Tver State University, 170100 Tver, Russia
2. G2Elab Laboratoire de Génie Electrique de Grenoble, Grenoble, France
3. Univ. Grenoble Alpes, Inst. NEEL, F-38042 Grenoble, France
4. CNRS, Inst. NEEL, F-38042 Grenoble, France
5. Tver State Technical University, 170026 Tver, Russia