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Single crystal neutron diffraction experiments were carried out on NpS and NpSe. They show that both compounds order magnetically at low temperature in a multiaxial AF type II structure where the magnetic moments have different values, as confirmed by Mössbauer experiments. More experimental data are needed to solve the exact structure. These compounds exhibit more complex magnetic behaviour than their uranium or plutonium counterparts which are ferromagnets and temperature independent paramagnets, respectively.

Additional information

Authors: BLAISE A ET AL., CEN Grenoble, DRFMC/SPSMS, Grenoble (FR);REBIZANT J, JRC Karlsruhe (DE);SPIRLET J C, JRC Karlsruhe (DE);VOGT O, ETH, Laboratorium für Festkörperphysik, Zürich (CH)
Bibliographic Reference: Paper presented: International Conference on Magnetism, Edinburgh (GB), Sept. 2-6, 1991
Availability: Available from (1) as Paper EN 36382 ORA
Record Number: 199111353 / Last updated on: 1994-12-02
Original language: en
Available languages: en