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Spin, orbital ordering, and magnetic dynamics of LaVO3 : magnetization, heat capacity, and neutron scattering studies

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Tung, L. D., Ivanov, Alexander S., Schefer, Jurg, Lees, Martin R., Balakrishnan, Geetha and Paul, Don McK. (2008) Spin, orbital ordering, and magnetic dynamics of LaVO3 : magnetization, heat capacity, and neutron scattering studies. Physical Review B (Condensed Matter and Materials Physics), Volume 78 (Number 5). doi:10.1103/PhysRevB.78.054416

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Official URL: http://dx.doi.org/10.1103/PhysRevB.78.054416

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Abstract

We report the results of magnetization, heat capacity, and neutron scattering studies of LaVO3 single crystals. From the neutron-diffraction studies, it was found that the compound is magnetically ordered with a C-type antiferromagnetic spin structure at about 136 K. In the vicinity of the ordering temperature, we also observed hysteresis in the neutron-diffraction data measured on cooling and heating which indicates the first-order nature of the phase transition. In the antiferromagnetically ordered phase, the inelastic neutron scattering studies reveal the presence of a temperature independent c-axis spin-wave gap of about 6 meV which is similar to that previously reported for the sister compound YVO3.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Magnetization, Lanthanum compounds, Vanadates, Neutrons -- Scattering, Nuclear spin
Journal or Publication Title: Physical Review B (Condensed Matter and Materials Physics)
Publisher: American Physical Society
ISSN: 1098-0121
Official Date: August 2008
Dates:
DateEvent
August 2008Published
Volume: Volume 78
Number: Number 5
Number of Pages: 5
DOI: 10.1103/PhysRevB.78.054416
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Funder: Sixth Framework Programme (European Commission) (FP6), Engineering and Physical Sciences Research Council (EPSRC)
Grant number: RII3-CT-2003-505925 (FP6)

Data sourced from Thomson Reuters' Web of Knowledge

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