Abstract
Multiferroic p-n junctions were fabricated by growing La0.1Bi0.9MnO3 films on Nb–SrTiO3 using pulsed laser deposition. The current-voltage curves of the junction show good rectifying property. Both the ferroelectric transition and ferromagnetic transition of La0.1Bi0.9MnO3 have remarkable influence on the transport properties of the junction. A large positive magnetocapacitance was also observed in this junction. Analysis suggests that the property of La0.1Bi0.9MnO3∕Nb–SrTiO3 is dominated by the property of La0.1Bi0.9MnO3. This work demonstrates that multiferroic p-n junctions possess some interesting properties that may be useful for future applications.
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