Rotomagnetic coupling in fine-grained multiferroic BiFe O3: Theory and experiment

Anna N. Morozovska, Eugene A. Eliseev, Maya D. Glinchuk, Olena M. Fesenko, Vladimir V. Shvartsman, Venkatraman Gopalan, Maxim V. Silibin, Dmitry V. Karpinsky

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Using Landau-Ginzburg-Devonshire (LGD) theory for BiFeO3 dense fine-grained ceramics with quasispherical grains and nanosized intergrain spaces enriched by elastic defects, we calculated a surprisingly strong size-induced increase in the antiferromagnetic transition temperature caused by the joint action of rotomagnetic and magnetostrictive coupling. Notably, all parameters included in the LGD functional have been extracted from experiments, not assumed. Complementarily, we performed experiments for dense BiFeO3 ceramics, which revealed that the shift of the antiferromagnetic transition is to TN∼690K instead of TN∼645K for a single crystal. To explain the result theoretically, we consider the possibility of controlling the antiferromagnetic state of multiferroic BiFeO3 via biquadratic antiferrodistortive rotomagnetic, rotoelectric, magnetoelectric, and magnetostrictive couplings. According to our calculations, the highest contribution is the rotostriction contribution, while the magnetostrictive and electrostriction contributions appear smaller.

Original languageEnglish (US)
Article number134115
JournalPhysical Review B
Volume97
Issue number13
DOIs
StatePublished - Apr 27 2018

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Electrostriction
ceramics
electrostriction
Superconducting transition temperature
Experiments
transition temperature
Single crystals
Defects
shift
single crystals
defects

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Morozovska, A. N., Eliseev, E. A., Glinchuk, M. D., Fesenko, O. M., Shvartsman, V. V., Gopalan, V., ... Karpinsky, D. V. (2018). Rotomagnetic coupling in fine-grained multiferroic BiFe O3: Theory and experiment. Physical Review B, 97(13), [134115]. https://doi.org/10.1103/PhysRevB.97.134115
Morozovska, Anna N. ; Eliseev, Eugene A. ; Glinchuk, Maya D. ; Fesenko, Olena M. ; Shvartsman, Vladimir V. ; Gopalan, Venkatraman ; Silibin, Maxim V. ; Karpinsky, Dmitry V. / Rotomagnetic coupling in fine-grained multiferroic BiFe O3 : Theory and experiment. In: Physical Review B. 2018 ; Vol. 97, No. 13.
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Morozovska, AN, Eliseev, EA, Glinchuk, MD, Fesenko, OM, Shvartsman, VV, Gopalan, V, Silibin, MV & Karpinsky, DV 2018, 'Rotomagnetic coupling in fine-grained multiferroic BiFe O3: Theory and experiment', Physical Review B, vol. 97, no. 13, 134115. https://doi.org/10.1103/PhysRevB.97.134115

Rotomagnetic coupling in fine-grained multiferroic BiFe O3 : Theory and experiment. / Morozovska, Anna N.; Eliseev, Eugene A.; Glinchuk, Maya D.; Fesenko, Olena M.; Shvartsman, Vladimir V.; Gopalan, Venkatraman; Silibin, Maxim V.; Karpinsky, Dmitry V.

In: Physical Review B, Vol. 97, No. 13, 134115, 27.04.2018.

Research output: Contribution to journalArticle

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AU - Morozovska, Anna N.

AU - Eliseev, Eugene A.

AU - Glinchuk, Maya D.

AU - Fesenko, Olena M.

AU - Shvartsman, Vladimir V.

AU - Gopalan, Venkatraman

AU - Silibin, Maxim V.

AU - Karpinsky, Dmitry V.

PY - 2018/4/27

Y1 - 2018/4/27

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Morozovska AN, Eliseev EA, Glinchuk MD, Fesenko OM, Shvartsman VV, Gopalan V et al. Rotomagnetic coupling in fine-grained multiferroic BiFe O3: Theory and experiment. Physical Review B. 2018 Apr 27;97(13). 134115. https://doi.org/10.1103/PhysRevB.97.134115