Magnetic correlations in heavy fermion CeAl_3 compound

摘要

To study the effect of hybridization on inter-ion correlations the measurements of the intensity of the quasielastic scattering on momentum transfer in Ce_(0.9)Y_(0.1)Al_3, Ce_(0.9)La_(0.1)Al_3 and CeAl_3 have been performed. Some hints that quasielastic magnetic scattering more sensitive to regularity in rare-earth sublattice than to the hybridization have been obtained. We also get some indications on the presence of ferromagnetic inter-ion correlations. In a contrast to quasielastic scattering the inelastic part of spectra is very sensitive to the hybridization.