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American Physical Society, Physical review B, 2(84)

DOI: 10.1103/physrevb.84.024411

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Violation of Hund’s third rule in structurally disordered ferromagnets

Journal article published in 2011 by Vassilios Kapaklis, Panagiotis T. Korelis, Björgvin Hjörvarsson, A. Vlachos, I. Galanakis ORCID, P. Poulopoulos, K. Özdogan, M. Angelakeris, F. Wilhelm, A. Rogalev
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This paper is available in a repository.

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Abstract

Violation of Hund’s third rule caused by structural disorder is observed for the induced magnetic moment of Zr, using X-ray magnetic circular dischroism. The induced spin and orbital magnetic moments are anti-parallel in the crystalline state, but parallel in an amorphous state of the investi- gated Co- and Fe-based materials. First principles calculations are used to provide physical insight into the dependency of the spin-orbit coupling on the interatomic distance and coordination number.