Bistability properties of magnetic micro-nanowires

S. A. Baranov; O. V. Yaltychenko; E. Yu. Kanarovskii

doi:10.1117/12.2243303

14 December 2016 Bistability properties of magnetic micro-nanowires

S. A. Baranov, O. V. Yaltychenko, E. Yu. Kanarovskii

Proceedings Volume 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII; 100102F (2016) https://doi.org/10.1117/12.2243303
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies 2016, 2016, Constanta, Romania

Abstract

A mathematical model that describes the process of the reversal magnetization of an amorphous microwire with the help of a large Barkhausen jump is proposed. The model has been estimated with regard to the optimization of the signal-tonoise ratio. Using nonlinear model, we studied the physical factors that cause the fluctuations of the start field. Based on the results of numerical experiments, the new data on the behavior of the start field under different conditions of a switching in a bistable ferromagnetic, including the conditions of high-frequency swapping, have been obtained and compared to the existing data. The results obtained do not contradict the existing physical concepts concerning a domain wall motion and are more general and realistic in a comparison with the previous model.

Citation Download Citation

S. A. Baranov, O. V. Yaltychenko, and E. Yu. Kanarovskii "Bistability properties of magnetic micro-nanowires", Proc. SPIE 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII, 100102F (14 December 2016); https://doi.org/10.1117/12.2243303

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