Growth and characterization of multiferroic BiMnO3 thin films

Amlan Biswas, Hyoungjeen Jeen, Guneeta Singh-Bhalla, Patrick R. Mickel, Kristen Voigt, Chelsey Morien, Sefaattin Tongay, A. F. Hebard

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Abstract

We have grown epitaxial thin films of multiferroic BiMnO3 using pulsed laser deposition. The films were grown on SrTiO3 001 substrates by ablating a Bi-rich target. Using x-ray diffraction, we confirmed that the films were epitaxial and the stoichiometry of the films was confirmed using Auger electron spectroscopy. The films have a ferromagnetic Curie temperature (TC) of 85 ± 5 K and a saturation magnetization of 1 B/Mn. The electric polarization as a function of electric field (P-E) was measured using an interdigital capacitance geometry. The P-E plot shows a clear hysteresis that confirms the multiferroic nature of the thin films.

Original languageEnglish (US)
Article number074104
JournalJournal of Applied Physics
Volume109
Issue number7
DOIs
StatePublished - Apr 1 2011
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Biswas, A., Jeen, H., Singh-Bhalla, G., Mickel, P. R., Voigt, K., Morien, C., Tongay, S., & Hebard, A. F. (2011). Growth and characterization of multiferroic BiMnO3 thin films. Journal of Applied Physics, 109(7), [074104]. https://doi.org/10.1063/1.3561860