Formation process of skyrmion lattice domain boundaries: The role of grain boundaries

被引：14
|
作者：
Nakajima, H. [1 ]
Kotani, A. [1 ]
Mochizuki, M. [2 ]
Harada, K. [1 ,3 ]
Mori, S. [1 ]
机构：
[1] Osaka Prefecture Univ, Dept Mat Sci, Sakai, Osaka 5998531, Japan
[2] Waseda Univ, Dept Appl Phys, Shinjuku Ku, Tokyo 1698555, Japan
[3] Inst Phys & Chem Res RIKEN, Ctr Emergent Matter Sci, Hatoyama, Saitama 3500395, Japan
来源：
APPLIED PHYSICS LETTERS | 2017年 / 111卷 / 19期
关键词：
ELECTRON-DIFFRACTION; LORENTZ MICROSCOPY; MAGNETIC-FIELDS; HOLOGRAPHY; DEFECTS;
D O I：
10.1063/1.4991791
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the formation process of skyrmion lattice (SkL) domain boundaries in FeGe using Lorentz transmission electron microscopy and small-angle electron diffraction. We observed that grain boundaries and edges play an important role in the formation of SkL domain boundaries; The SkL domain boundary is stabilized at the intersection of two grains. A micromagnetic simulation using the Landau-Lifshitz-Gilbert equation revealed that the SkL domains separated by a boundary represent the lowest energy configuration. Conversely, in a wide area, SkL domain boundaries were not formed and SkL domains with different orientations rotated to form a single SkL domain. Published by AIP Publishing.
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页数：5
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