journal article·2024-05Open access

Electron‐Assisted Generation and Straight Movement of Skyrmion Bubble in Kagome TbMn6Sn6

Zhuolin Li, Qiangwei Yin, Wenxin Lv, Jun Shen, Shouguo Wang, Tongyun Zhao, Jianwang Cai, Hechang Lei, Shi‐Zeng Lin, Ying Zhang, Baogen Shen

Advanced Materials· Volume 36· Issue 19

Abstract

Abstract Topological magnetic textures are promising candidates as binary data units for the next‐generation memory device. The precise generation and convenient control of nontrivial spin topology at zero field near room temperature endows the critical advantages in skyrmionic devices but is not simultaneously integrated into one material. Here, in the Kagome plane of quantum TbMn6Sn6, the expedient generation of the skyrmion bubbles in versatile forms of lattice, chain, and isolated one by converging the electron beam, where the electron intensity gradient contributes to the dynamic generation from local anisotropy variation near spin reorientation transition (SRT) is reported. Encouragingly, by utilizing the dynamic shift of the SRT domain interface, the straight movement is actualized with the skyrmion bubble slave to the SRT domain interface forming an elastic composite object, avoiding the usual deflection from the skyrmion Hall effect. The critical contribution of the SRT domain interface via conveniently electron‐assisted heating is further theoretically validated in micromagnetic simulation, highlighting the compatible application possibility in advanced devices.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Magnetic properties of thin films · Advanced Condensed Matter Physics · Topological Materials and Phenomena

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Beijing National Laboratory for Condensed Matter Physics Institute of Physics Chinese Academy of Sciences Beijing 100190 China

School of Physical Sciences University of Chinese Academy of Sciences Beijing 101408 China

Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials & MicroNano Devices Renmin University of China Beijing 100872 China

Key Laboratory of Quantum State Construction and Manipulation (Ministry of Education) Renmin University of China Beijing 100872 China

Department of Energy and Power Engineering School of Mechanical Engineering Beijing Institute of Technology Beijing 100081 China

Anhui Key Laboratory of Magnetic Functional Materials and Devices School of Materials Science and Engineering Anhui University Hefei 230601 China

Theoretical Division and Center for Integrated Nanotechnologies Los Alamos National Laboratory Los Alamos New Mexico 87545 USA

Open Access Research Infrastrucure Songshan Lake Materials Laboratory Dongguan Guangdong 523808 China

Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo Zhejiang 315201 China

Funding

National Natural Science Foundation of China · National Key Research and Development Program of China · Office of Science · Natural Science Foundation of Beijing Municipality · U.S. Department of Energy

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