Local Moment Formation in Dilute Alloys

Brog, K. C.; Jones, Wm. H.

doi:10.1103/physrevlett.24.58

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1971

1976

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Cited by 16 publications

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“…It is now well known that the threshold of a localized magnetic moment on a transition metal atom diluted in a non-magnetic matrix alloy depends in a crucial way on the chemical nature of its environment [57,58]. From a theoretical point of view, this local environment determines a local electronic density of states, i.e.…”

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confidence: 99%

Electronic properties of mixed uranium-thorium monosulphides (U xTh1-x)S

et al. 1976

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Résumé. 2014 Abstract. 2014 We have measured bulk magnetization, neutron magnetic scattering and specific heat between 1.5 and 300 K of mixed uranium-thorium monosulphides (UxTh1-x)S with large uranium concentrations (x ~ 0.20). Long-range ferromagnetic order is observed at low temperature for 0.43 x ~ 1, but no long-range magnetic order occurs for x 0.43. Magnetization and Curie temperature decrease linearly with uranium content. The electronic specific heat is maximum at the critical concentration xc = 0.43. Our experiments failed to reveal Schottky anomalies in specific heat or crystal-field levels by inelastic neutron scattering. Our results favour a band description rather than a localised description for uranium 5f electrons.

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confidence: 99%