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3D Visualization of Spiral Magnetization in a Magnet Layer of a Superconducting Spin Valve

Student: Dzheparov Daniil

Supervisor: Nataliya Pugach

Faculty: HSE Tikhonov Moscow Institute of Electronics and Mathematics (MIEM HSE)

Educational Programme: Infocommunication Technologies and Systems (Bachelor)

Year of Graduation: 2021

This work shows the research of magnetodynamics of a superconducting spin valve with spiral magnetic layer and superconducting layer. We are considering MnSi compound for magnetic layer, which has a magnetization structure in the form of helical spiral. It can be seen from the previous studies, that critical temperature of such superconducting film depends on the direction of the magnetic spiral. The work describes methods and techniques of calculation magnetodynamics. It may have an application for developing memory or logical nanoelectronics elements. Based on the mathematical modulation and data visualization there are some 3D figures of ferromagnet structure magnetization in two different states before and after remagnetization. One of the outcomes of the research is that it is possible to change the magnetization and the direction of the magnetic spiral using the impulse of a magnetic field. The work has been shown in the international science conference in Ufa «Ufa autumn mathematical school» and has reference in collection of theses [1]. Also, there is published article [2] and one more article in printing process [3]. The amount of the bachelor work is 23 pages with 7 illustrations and 10 references.

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