Room temperature multiferroic properties of Nd:BiFeO3/Bi2FeMnO6 bilayered films

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  • Hongyang Zhao
    National Institute for Materials Science 1 , Sengen 1-2-1, Tsukuba 305-0047, Japan
  • Hideo Kimura
    National Institute for Materials Science 1 , Sengen 1-2-1, Tsukuba 305-0047, Japan
  • Zhenxiang Cheng
    University of Wollongong 2 Institute for Superconducting and Electronics Materials, , Innovation Campus, Fairy Meadow, New South Wales 2519, Australia
  • Xiaolin Wang
    University of Wollongong 2 Institute for Superconducting and Electronics Materials, , Innovation Campus, Fairy Meadow, New South Wales 2519, Australia
  • Takashi Nishida
    Nara Institute of Science and Technology 3 Graduate School of Materials Science, , 8916-5 Takayama-Cho, Ikoma, Nara 630-0101, Japan

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<jats:p>Nd 0.1 Bi 0.9 FeO 3 / Bi 2 FeMnO 6 bilayered films were deposited on Pt/Ti/SiO2/Si substrate by pulsed laser deposition method. BiFeO3 is antiferromagnet while BiMnO3 is ferromagnet, the ordering of –Mn–O–Fe–O–Mn– is expected, which will induce the ferromagnetic interation in the film. The film shows typical ferromagnetic properties with the transition temperature of Tc of 440 K. The room temperature (RT) ferroelectric polarization was also observed, suggesting that the film is a promising RT multiferroism.</jats:p>

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