Metal Hydrides pp 273-287 | Cite as

Hydrogen in V, Nb, and Ta: Magnetism in Fe, Co, and Ni

  • G. C. Abell
Part of the NATO Advanced Study Institutes Series book series (NSSB, volume 76)


The concept of the four-atom Jahn-Teller resonance molecule. in transition metals is described, and its origin in the study of the Vb hydrides is retraced. The concept is schematically related to the theory of resonance localization of magnetic impurities. A model study that demonstrates plausibility and suggests generality of the four-atom resonance is reviewed. The nature of the electron correlation responsible for the resonance is revealed by a simple analogy to involve formation of a covalent bond. Generalization of the model Hamiltonian suggests the possibility of molecular magnetic moments and leads directly to a simple and successful description of magnetism in the Fe group.


Spin Polarization Easy Axis Common Atom Hydrogen Site Covalency Correlation 


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Copyright information

© Springer Science+Business Media New York 1981

Authors and Affiliations

  • G. C. Abell
    • 1
  1. 1.Mound FacilityMonsanto Research CorporationMiamisburgUSA

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