Temperature evolution of structural and magnetic properties of stoichiometric LiCu2O2: Correlation of thermal expansion coefficient and magnetic order
2014 (English)In: Solid State Sciences, ISSN 1293-2558, Vol. 34, 97-101 p.Article in journal (Refereed) Published
Temperature-dependent crystallographic and magnetic studies on stoichiometric single crystals of LiCu2O2 are reported. The temperature dependence of the lattice parameters was extracted from X-ray powder diffractograms collected on crushed single crystals, from 12 K to 295 K. The magnetic properties are similar to earlier findings demonstrating antiferromagnetic ordering below 25 K. Evidence of magnetoelastic coupling is observed in the thermal expansion along the c-direction; not only at the low temperature antiferromagnetic transitions, but an anomalous behavior of the thermal expansion indicate magnetoelastic coupling also to the magnetic ordering related to a weak spontaneous magnetic moment appearing at 150 K. Ac-susceptibility measurements at different frequencies and superposed dc-fields are employed to further characterize this magnetic anomaly.
Place, publisher, year, edition, pages
2014. Vol. 34, 97-101 p.
Oxides, Magnetism, Multiferroics, Crystal structure
Inorganic Chemistry Physical Sciences Engineering and Technology
Research subject Engineering Science with specialization in Solid State Physics
IdentifiersURN: urn:nbn:se:uu:diva-231216DOI: 10.1016/j.solidstatesciences.2014.05.014ISI: 000340337200017OAI: oai:DiVA.org:uu-231216DiVA: diva2:745055