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

Hongyang Zhao; Hideo Kimura; Zhenxiang Cheng; Xiaolin Wang; Nishida, Takashi
December 2009
Applied Physics Letters;12/7/2009, Vol. 95 Issue 23, p232904
Academic Journal
Nd0.1Bi0.9FeO3/Bi2FeMnO6 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.


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