Study of low-energy magnetic excitations in single-crystalline CeIn3 by inelastic neutron scattering

Details Study of low-energy magnetic excitations in single-crystalline CeIn3 by inelastic neutron scattering Study of low-energy magnetic excitations in single-crystalline CeIn3 by inelastic neutron scattering

2003-02-24

arxiv.org/abs/cond-mat/0302487v1

J. Phys.: Condens. Matter 15 (2003) 3741-3749

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 4 figures

Scientific paper

10.1088/0953-8984/15/22/308

Inelastic neutron scattering experiments were performed on single crystals of the heavy-fermion compound CeIn$_{3}$ for temperatures below and above the N\'eel temperature, $T_N$. In the antiferromagnetically ordered phase, well-defined spin-wave excitations with a bandwidth of 2 meV are observed. The spin waves coexist with quasielastic (QE) Kondo-type spin-fluctuations and broadened crystal-field (CF) excitations below $T_N$. Above $T_N$, only the QE and CF excitations persist, with a weak temperature dependence.

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