Neutron scattering study of Kondo lattice antiferromagnet YbNiSi3
Yuha Kobayashi, Takahiro Onimaru, Marcos A. Avila, Kenzo Sasai, Minoru, Soda, Kazuma Hirota, Toshiro Takabatake
TL;DR
This study uses neutron scattering to analyze the magnetic structure and crystalline electric field excitations of the Kondo lattice antiferromagnet YbNiSi3, providing insights into its magnetic properties.
Contribution
The paper presents the first neutron diffraction determination of YbNiSi3's magnetic structure and characterizes its CEF excitations and parameters.
Findings
Identified the magnetic structure of YbNiSi3.
Observed two broad CEF excitations.
Calculated magnetic susceptibility and specific heat using CEF model.
Abstract
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.
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