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Critical magnetic scattering in antiferromagnetic neptunium arsenide was studied, using the IN14 triple-axis spectrometer (TAS) at the ILL. First, third and fifth order harmonics were observed, with a large increase in wave vector widths as the incommensurate-commensurate transition is approached. The critical exponents and details of the complex magnetic phase diagram are reported.

Additional information

Authors: JONES D L ET AL., University of Keele, Department of Physics, Keele (GB);LANDER G H ET AL., JRC Karlsruhe (DE);ALBA M, Institut Laue-Langevin, Grenoble (FR);VOGT O, ETH, Laboratorium für Festkörperphysik, Zürich (CH)
Bibliographic Reference: Paper presented: International Conference on Neutron Scattering, Oxford (GB), Aug. 27-30, 1991
Availability: Available from (1) as Paper EN 36400 ORA
Record Number: 199111451 / Last updated on: 1994-12-02
Original language: en
Available languages: en