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High-resolution neutron inelastic scattering has been used to probe the magnetic response in the heavy- fermion superconductor UNi(2)A1(3). Quasielastic scattering has been observed both below and above T c in the vicinity of the incommensurate magnetic ordering vector Q(0)= (0.39, 0, 0.5). Features in the response are similar to those reported recently for the isostructural compound UPd(2)Al(3). However, in contrast to the situation in Upd(2)Al(3), no spectral gap has been observed in the dynamical susceptibility of UNi2A13, even at the lowest temperature of 0.2 K.

Additional information

Authors: HIESS A, Institut Laue Langevin, Genoble, (FR);LANDER G.H, JRC, Institute of Transuranium Elements, Karlsruhe (DE);KADOWAKI H, Toyko Metripolitan University, Hachioji (JP);ASO ET AL, Tohoku University, Sendai (JP);ROESSLI R, Laboratory of Neutron Scattering, ETH, Zurich, Villagen (CH);BERNHOEFT ET AL, CEA, Grenoble (FR)
Bibliographic Reference: Article: Physical Review B Rapid Communication, vol.61 no. 18 (2000) pp 869-870
Record Number: 200012820 / Last updated on: 2000-11-03
Original language: en
Available languages: en