Regulation of interfacial Dzyaloshinskii-Moriya interaction in ferromagnetic multilayers
JOURNAL OF PHYSICS-CONDENSED MATTER(2024)
Abstract
Interfacial Dzyaloshinskii-Moriya interaction (i-DMI) exists in the film materials with inversion symmetry breaking, which can stabilize a series of nonlinear spin structures and control their chirality, such as Neel-type domain wall, magnetic skyrmion and spin spiral. In addition, the strength and chirality of i-DMI are directly related to the dynamic behavior of these nonlinear spin structures. Therefore, regulating the strength and chirality of i-DMI not only has an important scientific significance for enriching spintronics and topological physics, but also has a significant practical value for constructing a new generation of memorizer, logic gate, and brain-like devices with low-power. This review summarizes the research progress on the regulation of i-DMI in ferromagnetic films and provides some prospects for future research.
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Key words
Dzyaloshinskii-Moriya interaction,ferromagnetic films,nonlinear spin structure,chirality
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