Neutron scattering study of Kondo lattice antiferromagnet YbNiSi3

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Authors
Kobayashi, Yuha
Onimaru, Takahiro
Avila, Marcos A.
Sasai, Kenzo
Soda, Minoru
Hirota, Kazuma
Takabatake, Toshiro
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Abstract
Description
The Kondo lattice antiferromagnet YbNiSi3 was investigated by neutron scattering. The magnetic structure of YbNiSi3 was determined by neutron diffraction on a single-crystalline sample. Inelastic scattering experiments were also performed on a pulverized sample to study the crystalline electric field (CEF) excitations. Two broad CEF excitations were observed, from which the CEF parameters were determined. The temperature dependence of the magnetic susceptibility chi and the magnetic specific heat Cmag were calculated using the determined CEF model, and compared with previous results.
Comment: 10 pages, 7 figures,submitted to JPSJ
Keywords
Condensed Matter - Materials Science, Condensed Matter - Strongly Correlated Electrons
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