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Ferroelectric Polarization Reversal by a Magnetic Field in Multiferroic Y-type Hexaferrite Ba<sub>2</sub>Mg<sub>2</sub>Fe<sub>12</sub>O<sub>22</sub>
91
Citations
11
References
2008
Year
Spin TorqueMagnetic PropertiesEngineeringSpontaneous MagnetizationMagnetic MaterialsMagnetoresistanceY-type Hexaferrite Ba2mg2fe12o22MagnetismMultiferroicsFerroelectric ApplicationSuperconductivityQuantum MaterialsMaterials SciencePhysicsElectric Polarization ReversalMagnetoelasticityMagnetic MaterialFerroelectric Polarization ReversalMagnetoelectric MaterialsFerromagnetismNatural SciencesApplied PhysicsCondensed Matter PhysicsFerroelectric MaterialsMagnetic FieldFunctional Materials
Coexistence of the ferroelectric polarization and spontaneous magnetization has been found in Y-type hexaferrite Ba2Mg2Fe12O22. The reversal of magnetization by a small magnetic field below ∼0.02 T accompanies an electric polarization reversal through the clamping of ferrimagnetic and ferroelectric domain walls. This behavior can be potentially used as a magnetically rewritable ferroelectric memory and an electrically rewritable magnetic memory.
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