Anisotropic room temperature magnetism in a novel actinide-based material

DOI

The 5f electron orbitals of uranium are extremely unique – with both local and itinerant scenarios resulting in exceptionally unusual electronic structures, a deeper understanding of which can obtained via various spectroscopic tools. The UFe4As2 system is a newly discovered iron-arsenide that contains f elements – one of only three uranium iron arsenides known to date. What is rather uncommon, is that in this material we identify that uranium contributes to magnetism at room temperature, which is not typical for this element given its small energy scales. We thus propose to further investigate this new compound in order to understand its element-specific microscopic magnetic properties and determine how the two magnetic species affect one another. According to magnetization measurements, this anisotropic material should order ferrimagnetically, confirmed by electronic band structure calculations.

Identifier
DOI https://doi.org/10.15151/ESRF-ES-2024053932
Metadata Access https://icatplus.esrf.fr/oaipmh/request?verb=GetRecord&metadataPrefix=oai_datacite&identifier=oai:icatplus.esrf.fr:inv/2024053932
Provenance
Creator Eteri SVANIDZE ORCID logo; Fabrice WILHELM ORCID logo
Publisher ESRF (European Synchrotron Radiation Facility)
Publication Year 2028
Rights CC-BY-4.0; https://creativecommons.org/licenses/by/4.0
OpenAccess true
Representation
Resource Type Data from large facility measurement; Collection
Discipline Particles, Nuclei and Fields