Detailed Measurements of Characteristic Profiles of Magnetic Diffuse Scattering in ErB$_2$C$_2$
Kenji Ohoyama, Kentaro Indoh, Aya Tobo, Koji Kaneko, Aya Hino and, Hideya Onodera
TL;DR
This study provides detailed neutron diffraction measurements of ErB₂C₂, revealing complex magnetic diffuse scattering components and suggesting that antiferroquadrupolar interactions are not the primary cause.
Contribution
It offers new insights into the magnetic diffuse scattering in ErB₂C₂, challenging the assumption that antiferroquadrupolar interactions dominate this phenomenon.
Findings
Magnetic diffuse scattering consists of three components above transition temperatures.
Similar scattering components are observed in HoB₂C₂ and TbB₂C₂.
Antiferroquadrupolar interaction is not the dominant origin of the scattering.
Abstract
Detailed neutron diffraction measurements on a single crystalline ErBC were performed. We observed magnetic diffuse scattering which consists of three components just above the transition temperatures, which is also observed in characteristic antiferroquadrupolar ordering compounds HoBC and TbBC. The result of this experiments indicates that the antiferroquadrupolar interaction is not dominantly important as a origin of the magnetic diffuse scattering.
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