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Impact of the various spin- and orbital-ordering processes on the multiferroic properties of orthovanadateDyVO3
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Zhang, Q., Singh, K., Simon, C., Tung, L. D., Balakrishnan, Geetha and Hardy, V. (2014) Impact of the various spin- and orbital-ordering processes on the multiferroic properties of orthovanadateDyVO3. Physical Review B (Condensed Matter and Materials Physics), Volume 90 (Number 2). Article number 024418 . doi:10.1103/PhysRevB.90.024418
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Official URL: http://dx.doi.org/10.1103/PhysRevB.90.024418
Abstract
The orthovanadate DyVO3 crystal, known to exhibit multiple structural, spin-, and orbital-ordering transitions, is presently investigated on the basis of magnetization, heat capacity, resistivity, dielectric, and polarization measurements. Our main result is experimental evidence for the existence of multiferroicity below a high TC of 108 K over a wide temperature range including different spin-orbital-ordered states. The onset of ferroelectricity is found to coincide with the antiferromagnetic C-type spin-ordering transition taking place at 108 K, which indicates that DyVO3 belongs to type-II multiferroics exhibiting a coupling between magnetism and ferroelectricity. Some anomalies detected on the temperature dependence of electric polarization are discussed with respect to the nature of the spin-orbital-ordered states of the V sublattice and the degree of spin alignment in the Dy sublattice. The orthovanadates RVO3 (R= rare earth or Y) form an important new category for searching for high−TC multiferroics.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||||||
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||||
| Publisher: | American Physical Society | ||||||||
| ISSN: | 1098-0121 | ||||||||
| Official Date: | 23 July 2014 | ||||||||
| Dates: |
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| Volume: | Volume 90 | ||||||||
| Number: | Number 2 | ||||||||
| Article Number: | Article number 024418 | ||||||||
| DOI: | 10.1103/PhysRevB.90.024418 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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