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|Title:||Giant Magnetoelastic Interaction in UFe2|
|Authors:||PAOLASINI Luigi; FORMISANO F.; CACIUFFO Roberto; LANDER G.h.; LAPERTOT G.|
|Citation:||JOURNAL OF PHYSICS: CONFERENCE SERIES vol. 340 p. 012063 (1-5)|
|Publisher:||INSTITUTE OF PHYSICS|
|Type:||Articles in periodicals and books|
|Abstract:||Using the unique coverage of (Q, ω) space available on the BRISP spectrometer, we have investigated the low Q dynamical response of a single crystal of UFe2. A strong inelastic signal was found with a dispersion corresponding to the transverse acoustic phonon branch, forbidden in the first Brillouin zone. A detailed analysis of the neutron intensities as a function of temperature and an applied magnetic field reveals a possible magnetic contribution superposed to this signal, which could originate from the magnon-phonon interaction, explaining the anomalous magnetoelastic behavior in this compound.|
|JRC Institute:||Nuclear Safety and Security|
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