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Results of inelastic neutron scattering experiment on a single crystal of U(O)(.2) (La{0.15} Y{0.85})(0.8) Te are presented. Recently, bulk measurements in this material have been interpreted as showing evidence for crystal-field (CF)-like behaviour (Phys. Rev. B 53 (1996) 14987). No evidence for any CF transition was found in our experiment. On the other hand, ferromagnetic correlations with a short spatial extent are present. The dispersion of the acoustic phonons in the <111> direction, which is anomalous in UT(e), shows "normal behaviour" in the dilute material.

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Authors: BOMBARDI ET AL, Centre d'Etudes Nucleaires, Grenoble (FR);LANDER G.H, ITU, Karslruhe (DE);MATTENBURGER ET AL, Laboratorium fur Festkorperphysik, ETH-Zurich (CH)
Bibliographic Reference: Article: Physica B 276-278, (2000) pp 606-609; Oral Report: European Conference of Neutron Scattering ECNS, Budapest (HU) 1-4 September, 1999
Availability: 1 as paper EN 60455 ORA
Record Number: 200012840 / Last updated on: 2000-11-07
Original language: en
Available languages: en