Violation of Hund's third rule in structurally disordered ferromagnets


Kapaklis V., Korelis P. T. , Hjorvarsson B., Vlachos A., Galanakis I., Poulopoulos P., ...More

PHYSICAL REVIEW B, vol.84, no.2, 2011 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 84 Issue: 2
  • Publication Date: 2011
  • Doi Number: 10.1103/physrevb.84.024411
  • Title of Journal : PHYSICAL REVIEW B

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 dichroism. The induced spin and orbital magnetic moments are antiparallel in the crystalline state, but parallel in an amorphous state of the investigated 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.