Novel Multiferroic Nanocomposite with High Pressure-Modulated Magnetoelectric Coupling

Chunrui Song; Nikita Liedienov; Igor Fesych; Roman Kulagin; Yan Beygelzimer; Xin Zhang; Yonghao Han; Quanjun Li; Bingbing Liu; Aleksey Pashchenko; Georgiy Levchenko

arXiv · 2112.05327

Novel Multiferroic Nanocomposite with High Pressure-Modulated Magnetoelectric Coupling

Chunrui Song·Nikita Liedienov·Igor Fesych·Roman Kulagin·Yan Beygelzimer·Xin Zhang·Yonghao Han·Quanjun Li·Bingbing Liu·Aleksey Pashchenko·Georgiy Levchenko

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Abstract

In this work, we have designed obtained a novel multiferroic nanocomposite using the high-pressure torsion (HPT) method. The crystal structure, phase composition, morphology, ferromagnetic (FM) and ferroelectric (FE) properties of the initial powders and "multiferroic-ferromagnetic" nanocomposites have been studied comprehensively. The initial powders and their composites show the perovskite and spinel crystalline phases for the FE and FM fractions, respectively. After HPT, the particle sizes of the initial powders are decreased significantly. It is shown that the novel nanocomposite consists of exchange-interacting FE and FM phases and demonstrates improved magnetic and electrical properties in low fields at room temperature. A colossal increase in residual polarization with an increase in external high-pressure is found in new composite. The obtained results make it possible to consider the novel nanocomposite as a new functional material for its use both in electronic devices for monitoring ultra-high-pressure and in integrated circuits of high-speed computing nanosystems with low switching energy. The HPT method is a promising method for obtaining new heterophase multiferroic nanosystems.

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Chunrui Song, Nikita Liedienov, Igor Fesych, Roman Kulagin, Yan Beygelzimer, Xin Zhang, Yonghao Han, Quanjun Li, Bingbing Liu, Aleksey Pashchenko, Georgiy Levchenko. 2021-12-10. Novel Multiferroic Nanocomposite with High Pressure-Modulated Magnetoelectric Coupling. https://arxiv.org/abs/2112.05327

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