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Updated: Jun 29, 2026

Iron Nanowire Fabrication by Nano-Porous Anodized Aluminum and its Characterization
Published on: October 6, 2019
Magnetism of nanowires driven by novel even-odd effects
Samir Lounis1, Peter H Dederichs, Stefan Blügel
1Institut für Festkörperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany. s.lounis@fz-juelich.de
Abstract:
The parity of the number of atoms in finite antiferromagnetic nanowires deposited on ferromagnets is shown to be a crucial quantity determining their magnetic ground state. Relating results of the full-potential Korringa-Kohn-Rostoker method for noncollinear magnetism from first principles to a Heisenberg model, we show that the magnetic structure changes dramatically across the entire nanowire if one single atom is added to it. Infinite and finite even-numbered nanochains exhibit always noncollinear magnetism, while odd-numbered wires lead under given conditions to a collinear ferrimagnetic ground state. This extremely nonlocal effect occurs only for nanosized wires.
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