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Review Article

Ferromagnetic and ferroelectric two-dimensional materials for memory application

Zhen Liu1,2,3Longjiang Deng1,2,3Bo Peng1,2,3( )
National Engineering Research Center of Electromagnetic Radiation Control Materials, School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Key Laboratory of Multi-spectral Absorbing Materials and Structures of Ministry of Education, University of Electronic Science and Technology of China, Chengdu 611731, China
State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 611731, China
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Abstract

The discoveries of ferromagnetic and ferroelectric two-dimensional (2D) materials have dramatically inspired intense interests due to their potential in the field of spintronic and nonvolatile memories. This review focuses on the latest 2D ferromagnetic and ferroelectric materials that have been most recently studied, including insulating ferromagnetic, metallic ferromagnetic, antiferromagnetic and ferroelectric 2D materials. The fundamental properties that lead to the long-range magnetic orders of 2D materials are discussed. The low Curie temperature (Tc) and instability in 2D systems limits their use in practical applications, and several strategies to address this constraint are proposed, such as gating and composition stoichiometry. A van der Waals (vdW) heterostructure comprising 2D ferromagnetic and ferroelectric materials will open a door to exploring exotic physical phenomena and achieve multifunctional or nonvolatile devices.

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Nano Research
Pages 1802-1813
Cite this article:
Liu Z, Deng L, Peng B. Ferromagnetic and ferroelectric two-dimensional materials for memory application. Nano Research, 2021, 14(6): 1802-1813. https://doi.org/10.1007/s12274-020-2860-3
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Received: 07 March 2020
Revised: 29 April 2020
Accepted: 08 May 2020
Published: 29 May 2020
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature
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