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Temperature evolution of structural and magnetic properties of stoichiometric LiCu2O2: Correlation of thermal expansion coefficient and magnetic order
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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2014 (English)In: Solid State Sciences, ISSN 1293-2558, E-ISSN 1873-3085, Vol. 34, 97-101 p.Article in journal (Refereed) Published
Abstract [en]

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.
Keyword [en]
Oxides, Magnetism, Multiferroics, Crystal structure
National Category
Inorganic Chemistry Physical Sciences Engineering and Technology
Research subject
Engineering Science with specialization in Solid State Physics
Identifiers
URN: urn:nbn:se:uu:diva-231216DOI: 10.1016/j.solidstatesciences.2014.05.014ISI: 000340337200017OAI: oai:DiVA.org:uu-231216DiVA: diva2:745055
Available from: 2014-09-09 Created: 2014-09-05 Last updated: 2017-12-05Bibliographically approved

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Ivanov, Sergey A.Kumar Puri, AnilMathieu, RolandOttosson, MikaelNordblad, Per

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