BiFeO3 thin films: Novel effects |
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| Authors: | V R Palkar R Pinto |
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| Institution: | (1) Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Mumbai, India |
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| Abstract: | In this paper we report synthesis of phase-pure highly resistive magnetoelectric BiFeO3 thin films on Pt/TiO2/SiO2/Si substrate by using pulsed laser deposition technique. For the first time saturated ferroelectric hysteresis loop has been
observed. It has confirmed the presence of ferroelectricity in BiFeO3 compound. The films exhibit dielectric anomaly near Neel temperature. This anomaly is related to the influence of vanishing
magnetic order on the electric order. In situ domain alignment occurs during observation of the films under transmission electron microscope. |
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| Keywords: | Magnetoelectric materials thin films ferroelectricity dielectric anomaly domains |
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