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5 October 2015 Helimagnetism in nanometer small bilayer iron islands (Presentation Recording)
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Abstract
We report a novel noncollinear magnetic order in individual nanostructures of a prototypical magnetic material, bilayer iron islands on Cu (111) [1]. Spin-polarized scanning tunnelling microscopy reveals a magnetic stripe phase with a period of 1.28 nm, which is identified as a one-dimensional helical spin order. Ab initio calculations reveal reduced-dimensionality-enhanced long-range antiferromagnetic interactions as the driving force of this spin order. Our findings point at the potential of nanostructured magnets to establish noncollinear magnetic order in a nanostructure, which is magnetically decoupled from the substrate. [1] S.H. Phark, J.A. Fischer, M. Corbetta, D. Sander, K. Nakamura, J. Kirschner, Nature Comm. 5, 5183 (2014).
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© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dirk Sander "Helimagnetism in nanometer small bilayer iron islands (Presentation Recording)", Proc. SPIE 9551, Spintronics VIII, 95511G (5 October 2015); https://doi.org/10.1117/12.2191607
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