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Registration Number

0221U100452, 0118U003714 , R & D reports

Title

Functional elements of high-frequency magnetoelectrics on the basis of textured materials with controlled phase separation.

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Head

Dzhezherya Yuriy I., Доктор фізико-математичних наук

Registration Date

05-01-2021

Organization

Institute of Magnetism NAS of Ukraine and MES of Ukraine

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 In the course of our work, we studied the polar characteristics of micro- and nanostructures based on textured substances with controlled phase separation, creation and study of physical properties of new multiferroics and synthetic magnetic materials with predetermined electrical and magnetic properties to build functional elements of sensors and electronics. The main idea of the research was laid before the beginning of research work in this direction, and consisted of obtaining a new functional material based on magnetic nanocomposite ferromagnet and multiferoic, which has magnetoresistive, ferroelectric, magnetostrictive and magnetocaloric properties. These properties can be controlled by external factors and by changing the size and anisotropy of the shape of magnetic nanoparticles. According to the idea of the research, the aim was to study the properties of new multiferroics; attention was paid to the development of methods for studying multifunctional materials with the effects of colossal magnetoresistance, high magnetoelectric coupling, polarization, flexomagnetic and flexoelectric coefficients. The result of the work were new approaches to the management of functional materials in the field of information technology, in particular systems for recording and reading information, sensors. Considerable attention was paid to the development of new functional materials based on multiferoid systems using modern magnetoelectronics, spintronics and magneto-optics. A comprehensive analysis of the experimental results indicates the production of a new magnetic nanomaterial with a Curie temperature in the room temperature range, which makes this material a new multifunctional magnetic material with great prospects for its use for applied purposes.

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Dzhezherya Yuriy I.
Paschenko Alexey V
Khist Viktoriia V
Cherepov Serhii V.

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2021-01-05