Journal
PHYSICAL REVIEW LETTERS
Volume 84, Issue 22, Pages 5212-5215Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.5212
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We have performed spin-polarized scanning tunneling spectroscopy of dipolar antiferromagnetically coupled Fe nanowires with a height of two atomic layers and an average separation of 8 nm grown on stepped W(110). Domain walls within the nanowires exhibit a significantly reduced width when pinned at structural constrictions. The lateral spin reorientation in the direction perpendicular to the wires has been studied with subnanometer spatial resolution. It is found that the spin canting in the Fe nanowires monotonously increases towards the step edges.
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