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NpSb has been studied by Mössbauer spectroscopy (237Np and 121Sb resonances) and by neutron diffraction using single crystals. Np(3+) magnetic moments order antiferromagnetically below T(N) = 200 K in a triple-k type I structure. A strong mixing of 5f electrons with anion p states can be deduced from results of 121Sb resonance. This mixing is certainly at the origin of the interaction mechanism responsible for the coupling between the Fourier components, leading to the triple-k multiaxial magnetic structure.

Additional information

Authors: SANCHEZ J P, Centre de Recherches Nucléaires, Strasbourg (FR);BURLET P, Centre de Recherches Nucléaires, Strasbourg (FR);QUEZEL S, CEN, Grenoble (FR);BONNISSEAU D, CEN, Grenoble (FR);ROSSAT-MIGNOD J, CEN, Grenoble (FR);SPIRLET J C, JRC Karlsruhe Estab. (DE);REBIZANT J, JRC Karlsruhe Estab. (DE);VOGT O, Eidgenössische Technische Hochschule Zürich (CH)
Bibliographic Reference: Article: Solid State Communications, Vol. 67 (1988), No 10, pp. 999-1002
Record Number: 198910816 / Last updated on: 1994-12-01
Original language: en
Available languages: en