人工磁天幕与电场的生成和湮灭

IF 1.5 4区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Chinese Physics B Pub Date : 2023-12-25 DOI:10.1088/1674-1056/ad188f

Jun Cheng, Liang Sun, Yike Zhang, Tongzhou Ji, Rongxing Cao, B. Miao, Yonggang Zhao, Haifeng Ding

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引用次数: 0

摘要

最近的理论和实验表明，人造磁性天幕可以在室温下稳定而无需外部磁场，这为器件应用提供了强大的潜力。在这项工作中，我们利用微磁模拟研究了 CoPt 多层板上由 Co 磁盘压印的人工磁性天幕的电场操纵。我们发现，通过应变介导的磁弹性耦合，可以在电场作用下实现天磁的可逆湮灭和产生。此外，我们还展示了对单个天融子的可控操纵，这为构建无磁场和低能耗天融子介质开辟了一个新平台。

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Creation and annihilation of artificial magnetic skyrmions with the electric field

Recent theory and experiments show that artificial magnetic skyrmions can be stabilized at room temperature without the need of the external magnetic field, casting strong potentials for the device applications. In this work, we study the electric field manipulation of artificial magnetic skyrmions imprinted by Co disks on CoPt multilayers utilizing the micromagnetic simulations. We find that the reversible annihilation and creation of skyrmions can be realized with the electric field via the strain mediated magnetoelastic coupling. In addition, we also demonstrate controllable manipulation of individual skyrmion, which opens a new platform for constructing magnetic-field-free and low-energy-dissipation skyrmion-based media.

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来源期刊

Chinese Physics B 物理-物理：综合

CiteScore

2.80

自引率

23.50%

发文量

15667

审稿时长

2.4 months

期刊介绍： Chinese Physics B is an international journal covering the latest developments and achievements in all branches of physics worldwide (with the exception of nuclear physics and physics of elementary particles and fields, which is covered by Chinese Physics C). It publishes original research papers and rapid communications reflecting creative and innovative achievements across the field of physics, as well as review articles covering important accomplishments in the frontiers of physics. Subject coverage includes: Condensed matter physics and the physics of materials Atomic, molecular and optical physics Statistical, nonlinear and soft matter physics Plasma physics Interdisciplinary physics.