Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films

J. X. Zhang, Y. L. Li, D. G. Schlom, Long-qing Chen, F. Zavaliche, R. Ramesh, Q. X. Jia

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

A phase-field model was developed for studying the magnetoelectric coupling effect in epitaxial ferroelectric and magnetic nanocomposite thin films. The model can simultaneously take into account the ferroelectric and magnetic domain structures, the electrostrictive and magnetostrictive effects, substrate constraint, as well as the long-range interactions such as magnetic, electric, and elastic interactions. As an example, the magnetic-field-induced electric polarization in BaTi O3 -Co Fe2 O4 nanocomposite film was analyzed. The effects of the film thickness, morphology of the nanocomposite, and substrate constraint on the degree of magnetoelectric coupling were discussed.

Original languageEnglish (US)
Article number052909
JournalApplied Physics Letters
Volume90
Issue number5
DOIs
StatePublished - Feb 19 2007

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nanocomposites
thin films
magnetic domains
film thickness
interactions
polarization
magnetic fields

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Zhang, J. X., Li, Y. L., Schlom, D. G., Chen, L., Zavaliche, F., Ramesh, R., & Jia, Q. X. (2007). Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films. Applied Physics Letters, 90(5), [052909]. https://doi.org/10.1063/1.2431574
Zhang, J. X. ; Li, Y. L. ; Schlom, D. G. ; Chen, Long-qing ; Zavaliche, F. ; Ramesh, R. ; Jia, Q. X. / Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films. In: Applied Physics Letters. 2007 ; Vol. 90, No. 5.
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Zhang, JX, Li, YL, Schlom, DG, Chen, L, Zavaliche, F, Ramesh, R & Jia, QX 2007, 'Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films', Applied Physics Letters, vol. 90, no. 5, 052909. https://doi.org/10.1063/1.2431574

Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films. / Zhang, J. X.; Li, Y. L.; Schlom, D. G.; Chen, Long-qing; Zavaliche, F.; Ramesh, R.; Jia, Q. X.

In: Applied Physics Letters, Vol. 90, No. 5, 052909, 19.02.2007.

Research output: Contribution to journalArticle

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T1 - Phase-field model for epitaxial ferroelectric and magnetic nanocomposite thin films

AU - Zhang, J. X.

AU - Li, Y. L.

AU - Schlom, D. G.

AU - Chen, Long-qing

AU - Zavaliche, F.

AU - Ramesh, R.

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AB - A phase-field model was developed for studying the magnetoelectric coupling effect in epitaxial ferroelectric and magnetic nanocomposite thin films. The model can simultaneously take into account the ferroelectric and magnetic domain structures, the electrostrictive and magnetostrictive effects, substrate constraint, as well as the long-range interactions such as magnetic, electric, and elastic interactions. As an example, the magnetic-field-induced electric polarization in BaTi O3 -Co Fe2 O4 nanocomposite film was analyzed. The effects of the film thickness, morphology of the nanocomposite, and substrate constraint on the degree of magnetoelectric coupling were discussed.

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