Nickel Sulfide—an Itinerant-Electron Antiferromagnet
Open Access
- 3 June 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 32 (22) , 1257-1260
- https://doi.org/10.1103/physrevlett.32.1257
Abstract
Antiferromagnetic nickel sulphide has a small temperature-independent magnetic susceptibility. The ordered moment per nickel atom, measured with neutrons, decreases from to at 4.2 K with a decrease of 0.6% in the Ni-Ni distance. These data indicate a band model for the electrons, making NiS an itinerant-electron antiferromagnet with no local moments. The possibility of local moments in an antiferromagnetic metal is briefly discussed.
Keywords
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