Magnetism in Atomic-Sized Palladium Contacts and Nanowires

Details Magnetism in Atomic-Sized Palladium Contacts and Nanowires Magnetism in Atomic-Sized Palladium Contacts and Nanowires

2003-07-30

arxiv.org/abs/cond-mat/0307737v1

Physics

Condensed Matter

Materials Science

6 pages, including 4 figures

Scientific paper

10.1103/PhysRevLett.92.057201

We have investigated Pd nanowires theoretically, and found that, unlike either metallic or free atomic Pd, they exhibit Hund's rule magnetism. In long, monoatomic wires, we find a spin moment of 0.7 Bohr magnetons per atom, whereas for short, monoatomic wires between bulk leads, the predicted moment is about 0.3 Bohr magnetons per wire atom. In contrast, a coaxial (6,1) wire was found to be nonmagnetic. The origin of the wire magnetism is analyzed.

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