We are reviewing recent progress obtained in the study of hydrogen interaction with magnetic structures in rare-earth metals, emphasizing the role of the ordering state of the H-sublattice. We shall present in particular: (1) the situation in the solid solutions of the heavy rare earths, alpha*-RHx, and the efforts to relate the special quasi-unidimensional configuration of this phase (charge-density waves) to their modulated magnetism (spin-density waves) via the Fermi surface; (2) an assembly of all magnetic structures determined up to now in the heavy-RE dihydrides, beta-RH(D)2(+x), for a tentative comparison of the observed commensurate and/or incommensurate configurations; special mention will be made of the remarkably stable short-range ordered (SRO) magnetism always present in these systems; (3) the need for further (thorough) neutron scattering work on the magnetism in the insulating R-trihydrides, gamma-RH(D)3(-x), in order to specify its mechanism in the absence of RKKY exchange interaction.


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    Title :

    Current progress in the magnetism of rare-earth-hydrogen systems


    Contributors:
    Vajda, P. (author)


    Publication date :

    2005


    Size :

    5 Seiten, 22 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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