Measurement of the magnetic octupole susceptibility of PrV₂Al₂₀.

ABSTRACT: Revealing the presence of magnetic octupole order and associated octupole fluctuations in solids is a highly challenging task due to the lack of simple external fields that can couple to magnetic octupoles. Here, we demonstrate a methodology for probing the magnetic octupole susceptibility of a candidate material, PrV₂Al₂₀, using a product of magnetic field H_i and shear strain ϵ_jk as a composite effective field, while employing an adiabatic elastocaloric effect to probe the response. We observe Curie-Weiss behavior in the obtained octupolar susceptibility down to approximately 3 K. Although octupole order does not appear to be the leading multipolar channel in PrV₂Al₂₀, our results nevertheless reveal the presence of strong

SUBMITTER: Ye L 

PROVIDER: S-EPMC11325040 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature