Magnetic properties of BiFeO3 with ZnO buffer layer

doi:10.1063/1.4732389

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Magnetic properties of BiFeO3 with ZnO buffer layer

S. Angappane, R. Rajalakshmi, N. Kambhala

Jun 26, 2012

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Key Takeaway

Key Takeaway: The ZnO buffer layer significantly enhances the magnetic properties of BiFeO3 on Si substrate, increasing its magnetization by over ten times compared to BiFeO3/Si film.

Abstract

Magnetic properties of chemical solution deposited BiFeO3 film on Si substrate with and without ZnO buffer layer have been studied. The deposited ZnO films exhibit a hexagonal columnar surface morphology, whereas BiFeO3 covers the ZnO surface. The magnetic measurements reveal that the magnetization of BiFeO3 has increased by more than ten times in BiFeO3/ZnO/Si film compared to BiFeO3/Si film, indicating the major role played by ZnO buffer layer in enhancing the magnetic properties of this technologically important multiferroic material.

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