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Inelastic scattering measurements have been taken on a monodomain single crystal of USb(0.8)Te(0.2). A magnetic excitation was found at the zone centre with a large anisotropy gap of 7.5 THz. At small wave vectors the excitation was found to be approximately isotropic, with a spin wave stiffness constant of 17 THz Angstrom2. Strong critical scattering was observed near the Néel temperature of 204 K.

Additional information

Authors: VOGT O, ETH, Laboratorium für Festkörperphysik, Zürich (CH);LANGRIDGE S, University of Keele, Department of Physics (GB);STIRLING W G, University of Keele, Department of Physics (GB);LANDER G H, JRC Karlsruhe (GB)
Bibliographic Reference: Paper presented: International Conference on Neutron Scattering, Oxford (GB), Aug. 27-30, 1991
Availability: Available from (1) as Paper EN 36129 ORA
Record Number: 199111502 / Last updated on: 1994-12-02
Original language: en
Available languages: en