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Curvature-induced magnetization in a CrI_3 bilayer: Flexomagnetic effect enhancement in van der Waals antiferromagnetsстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 30 января 2024 г.
- Авторы: Lei Qiao, Sladek Jan, Sladek Vladimir, Kaminskiy Alexey S., Pyatakov Alexander P., Wei Ren
- Журнал: Physical Review B
- Том: 109
- Год издания: 2024
- Издательство: American Physical Society
- Местоположение издательства: United States
- Первая страница: 014410-1
- Последняя страница: 014410-6
- Номер статьи: 014410
- DOI: 10.1103/PhysRevB.109.014410
- Аннотация: The bilayer of CrI3 is a prototypical van der Waals (vdW) 2D antiferromagnetic material with magnetoelectric effect. It is not generally known, however, that for symmetry reasons the flexomagnetic effect, i.e., the strain gradient-induced magnetization, is also possible in this system. In the present paper, based on the first-principle calculations, we estimate the flexomagnetic effect to be 200μB⋅Å, which is two orders of magnitude higher than it was predicted for the referent antiperovskite flexomagnetic material Mn3GaN. The two major factors of flexomagnetic effect enhancement related to the peculiarities of antiferromagnetic structure of vdW magnets are revealed: the strain-dependent ferromagnetic coupling in each layer, and large interlayer distance separating antiferromagnetically coupled ions. Since 2D systems are naturally prone to mechanical deformation, the emerging field of flexomagnetism is of special interest for application in vdW spintronics, and straintronics in particular.
- Добавил в систему: Пятаков Александр Павлович
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