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Thermal evolution of the spin ordering at the concomitant spin-orbital rearrangement temperature in RVO3 (R=Lu, Yb and Tm)
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. Karpov Inst Phys Chem, Ctr Mat Sci, K-64, Moscow 105064, Russia..
Russian Acad Sci, Inst Solid State Chem, Ural Branch, GSP-145, Ekaterinburg 620999, Russia..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
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2016 (English)In: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 409, 87-91 p.Article in journal (Refereed) PublishedText
Abstract [en]

Synthesis, crystal structure and magnetization measurements of phase pure polycrystalline RVO3 (R=Lu, Yb and Tm) are reported. The compounds were stabilized in the orthorhombic structure by thermal treatment of the respective precursors (RVO4) in a reducing atmosphere. Special pressure treatment was carried out during the synthesis to ensure phase pure samples without secondary phases. Magnetization measurements reveal the presence of two spin ordering temperatures in the samples. Interestingly, at the lower spin ordering temperature, TsO2, the uncompensated excess moment of the antiferromagnetic spin structure has different field dependences above and below TsO2, causing a jump in the thermal evolution of the magnetization that changes sign with increasing field strength. This jump is associated with the reported magnetic and orbital rearrangement in the samples, and the different spin configurations in the C- and G-type antiferromagnetic structures.

Place, publisher, year, edition, pages
2016. Vol. 409, 87-91 p.
Keyword [en]
Magnetic oxides, Magnetic field dependent phenomena, Phase coexistence
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-286617DOI: 10.1016/j.jmmm.2016.02.088ISI: 000372320300015OAI: oai:DiVA.org:uu-286617DiVA: diva2:924174
Funder
Swedish Research CouncilGöran Gustafsson Foundation for Research in Natural Sciences and MedicineThe Swedish Foundation for International Cooperation in Research and Higher Education (STINT)
Available from: 2016-04-28 Created: 2016-04-21 Last updated: 2016-04-28Bibliographically approved

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Sarkar, TapatiIvanov, Sergey A.Nordblad, PerMathieu, Roland
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