Dramatic Change of the Magnetic Response in: Possible Heavy Fermion to Itinerant-Metal Transition
- 5 April 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 82 (14) , 2919-2922
- https://doi.org/10.1103/physrevlett.82.2919
Abstract
The magnetic relaxation of the -metal oxide has been measured by means of quasielastic neutron scattering. At low temperatures, the observed residual linewidth of 0.5 meV and a square-root temperature dependence of the magnetic relaxation rate are canonical features of heavy-fermion systems. For the magnetic response changes dramatically and can be characterized as a metal close to ferromagnetic order.
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