Observation of magnetic/electric domains and control of electric polarization by magnetic field in BiFeO3/SrFe12O19 bilayers
Source abstract
Abstract
Abstract Perovskite bismuth ferrite (BiFeO3) layer, which is widely recognized as a multiferroic material, was prepared on a c-axis-oriented strontium ferrite (SrFe12O19) layer by magnetron sputtering to form a BiFeO3/SrFe12O19 bilayer. Direct observations of the magnetic and electric domains originating from the magnetism coincident with the ferroelectricity of BiFeO3 in the bilayer were achieved through magnetic force microscopy and electrostatic force microscopy, respectively. Simultaneous existence of magnetic and electric domains was observed in the BiFeO3 phase. A pinning effect of BiFeO3 in relation to SrFe12O19 was suggested from the magnetic hysteresis curves, although BiFeO3 layer exhibits a small magnetization. By applying a magnetic field to the BiFeO3/SrFe12O19 bilayer, the electric domains in the BiFeO3 layer sensitively respond, which implies that ferroelectric polarization in BiFeO3 layer can be magnetically controlled.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Multiferroics and related materials · Ferroelectric and Piezoelectric Materials · Magneto-Optical Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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