期刊
PHYSICAL REVIEW B
卷 89, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.89.180405
关键词
-
资金
- European Union [309589]
Topological protection is an efficient way of warranting the integrity of quantum and nanosized systems. In magnetism, one example is the Bloch point, a peculiar three-dimensional object implying the local vanishing of magnetization within a ferromagnet. By combining surface and transmission x-ray magnetic circular dichroism photoemission electron microscopy, we experimentally confirm the existence of the simplest magnetization texture holding a Bloch point at rest: the Bloch-point domain wall in cylindrical magnetic nanowires. This opens the way to the experimental search for peculiar phenomena predicted during the motion of these protected Bloch-point-based domain walls.
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