Title: Neutron-Diffraction Studies of Single Crystals of U2T2In (T = Ni, Pd, Pt).
Authors: MARTIN-MARTIN A.PEREIRA Laura cristinaLANDER Gerard heathREBIZANT JeanWASTIN Franck henriSPIRLET Jean claudeDERVENAGAS P.BROWN P.j.
Citation: Physical Review B vol. 56 no. 18 p. 11818-11825
Publication Year: 1999
JRC N°: JRC17245
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC17245
Type: Articles in periodicals and books
Abstract: Neutron-diffraction experiments have been performed on small single crystals of U2T2In (T=Ni, Pd, Pt) to verify the noncollinear magnetic structures found with studies of polycrystalline samples, and determine the values of the ordered moments. Compared to the earlier studies our findings agree on the structures, but find the ordered moments on the uranium atoms larger, and we find no moment associated with the T atoms, in disagreement with one previous study. The T= Pt sample, which is one of the most interesting of this series as it has a large electronic specific heat, does not order magnetically. We confirm the doubling of the tetragonal c-axis found first with x-ray diffraction, and give an accurate picture of the structure and the atomic coordination. All these materials appear completed ordered from a crystallographic perspective.
JRC Directorate:Nuclear Safety and Security

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