Dynamic nucleation of domain-chains in magnetic nanotracks

doi:10.1088/1674-1056/27/12/127504

中国物理B ›› 2018, Vol. 27 ›› Issue (12): 127504-127504.doi: 10.1088/1674-1056/27/12/127504

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Dynamic nucleation of domain-chains in magnetic nanotracks

Xiangjun Jin(金香君), Yong Li(李勇), Fusheng Ma(马付胜)

Center for Quantum Transport and Thermal Energy Science, Magnetoelectronic Laboratory, School of Physics and Technology, Nanjing Normal University, Nanjing 210023, China

收稿日期:2018-08-30 修回日期:2018-11-16 出版日期:2018-12-05 发布日期:2018-12-05
通讯作者: Fusheng Ma E-mail:phymafs@njnu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11704191), the Jiangsu Specially-Appointed Professor, the Natural Science Foundation of Jiangsu Province of China (Grant No. BK20171026), and the Six-Talent Peaks Project in Jiangsu Province, China (Grant No. XYDXX-038).

Dynamic nucleation of domain-chains in magnetic nanotracks

Xiangjun Jin(金香君), Yong Li(李勇), Fusheng Ma(马付胜)

Center for Quantum Transport and Thermal Energy Science, Magnetoelectronic Laboratory, School of Physics and Technology, Nanjing Normal University, Nanjing 210023, China

Received:2018-08-30 Revised:2018-11-16 Online:2018-12-05 Published:2018-12-05
Contact: Fusheng Ma E-mail:phymafs@njnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11704191), the Jiangsu Specially-Appointed Professor, the Natural Science Foundation of Jiangsu Province of China (Grant No. BK20171026), and the Six-Talent Peaks Project in Jiangsu Province, China (Grant No. XYDXX-038).

摘要/Abstract

摘要：

Most of the reported observations are about the dynamic properties of individual domain-walls in magnetic nanowires, but the properties of multiple stripe-domains have rarely been investigated. Here, we demonstrate a simple but efficient scenario for multiple domains injection in magnetic nanowires. The domain-chains (DCs), a cluster of multiple domains, can be dynamically generated with tunable static properties. It is found that the number of domains in a single DC can be dynamically adjusted by varying the frequency of microwave field (MF) and the period of spin-polarized current (SPC) intensity. The static properties of the DCs, i.e., its length, spacing, and period between neighboring DCs, can be dynamically controlled by regulating the frequency of MF and the intensity of SPC. We have also discussed the possibility of using domain-chains as information carries, which provides a meaningful approach for flexible multi-bit information storage applications.

关键词: domain-chains, micromagnetic simulation, domain motion, spin-transfer torque

Abstract:

Key words: domain-chains, micromagnetic simulation, domain motion, spin-transfer torque

中图分类号: (Dynamics of domain structures)

75.78.Fg

75.75.-c (Magnetic properties of nanostructures) 75.70.Kw (Domain structure (including magnetic bubbles and vortices)) 75.78.Cd (Micromagnetic simulations ?)

金香君, 李勇, 马付胜. Dynamic nucleation of domain-chains in magnetic nanotracks[J]. 中国物理B, 2018, 27(12): 127504-127504.

Xiangjun Jin(金香君), Yong Li(李勇), Fusheng Ma(马付胜). Dynamic nucleation of domain-chains in magnetic nanotracks[J]. Chin. Phys. B, 2018, 27(12): 127504-127504.

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Dynamic nucleation of domain-chains in magnetic nanotracks

Dynamic nucleation of domain-chains in magnetic nanotracks

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