Thermal evolution of the spin ordering at the concomitant spin-orbital rearrangement temperature in RVO3 (R=Lu, Yb and Tm)
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
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.
Magnetic oxides, Magnetic field dependent phenomena, Phase coexistence
IdentifiersURN: urn:nbn:se:uu:diva-286617DOI: 10.1016/j.jmmm.2016.02.088ISI: 000372320300015OAI: oai:DiVA.org:uu-286617DiVA: diva2:924174
FunderSwedish Research CouncilGöran Gustafsson Foundation for Research in Natural Sciences and MedicineThe Swedish Foundation for International Cooperation in Research and Higher Education (STINT)