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This paper discusses the magnetic character of NpPt(3) and compares it to UPt(3). A magnetic phase diagram deduced from magnetoresistance measurements is proposed. It is shown that an antiferromagnetic ordering develops below T(N) = 30 K and that a transition towards another antiferromagnetic state occurs around 20 K. Susceptibility and magnetisation measurements on a polycrystalline sample confirm this phase diagram. Powder neutron diffraction experiments were also performed and the results for the various temperature phases are presented.

Additional information

Authors: BOUILLET M N ET AL., CEA, CEN Grenoble (FR);ROSSAT-MIGNOD J, CEA, CEN Saclay, Gif-sur-Yvette (FR);SPIRLET J C, JRC Karlsruhe (DE);REBIZANT J, JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: 23. Journées des Actinides, Bühlerhöhe (DE), April 20-23, 1993
Availability: Available from (1) as Paper EN 37670 ORA
Record Number: 199311484 / Last updated on: 1994-11-28
Original language: en
Available languages: en