Journal
NANO RESEARCH
Volume 16, Issue 4, Pages 5983-6000Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-022-5125-5
Keywords
multiferroic; magnetoelectric coupling; strain; charge; photovoltaic
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The full control of multiferroic interfacial magnetism using an electric field is a challenging task for MEMS and has the potential to revolutionize electronics operation mechanisms. By combining highly correlated ferroic orders and interfacial magnetoelectric interactions, devices beyond CMOS can be achieved. These devices utilize electric fields to regulate magnetization, leading to downsizing, improved performance, and reduced power consumption. This review summarizes recent advances in voltage control of interfacial magnetism with different material systems and gating methods, demonstrating five classic mechanisms and discussing the potential of controlling skyrmions and 2D material magnetization. The results indicate the universal applicability of E-field gating and predict significant progress in spintronics.
The full E-field control of multiferroic interfacial magnetism is a long-standing challenge for micro-electromechanical systems (MEMS) and has the potential to transform electronics operation mechanisms. When scaling down conventional complementary metal-oxide semiconductor (CMOS) devices, increased heating dissipation becomes a top concern. Combining the highly correlated ferroic orders, notably the strongly coupled interfacial magnetoelectric (ME) interactions, may lead to devices beyond CMOS. These devices use the electric field to regulate magnetization, which opens up the prospect of downsizing, improved performance, and lower power consumption. To broadly survey this tremendous scope within the last five years, this review summarizes advances in voltage control of interfacial magnetism (VCIM) with various material system selection; controlling effects with different gating methods are also explored. Five classic mechanisms are demonstrated: strain, exchange bias, orbital reconstruction, and the electrostatic and electrochemical. The encouraging photovoltaic approach is also discussed. Each method's capabilities and application scenarios are compared. Analyses of the comprehensive gating results of different magnetic coupling effects such as perpendicular magnetic anisotropy (PMA) and Ruderman-Kittel-Kasuya-Yosida (RKKY) are additionally made. At last, controlling of skyrmions and two-dimensional (2D) material magnetization is summarized, indicating that E-field gating offers a universal approach with few limitations for material selection. These results point to potential for E-field control interfacial magnetism and predict significant future advancements for spintronics.
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