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|Title:||Room temperature ferroelectric, ferromagnetic and magnetoelectric properties of Ba-doped BiFeO3 thin films|
|Authors:||Li, M. |
|Citation:||Li, M., Ning, M., Ma, Y., Wu, Q., Ong, C.K. (2007-03-21). Room temperature ferroelectric, ferromagnetic and magnetoelectric properties of Ba-doped BiFeO3 thin films. Journal of Physics D: Applied Physics 40 (6) : 1603-1607. ScholarBank@NUS Repository. https://doi.org/10.1088/0022-3727/40/6/002|
|Abstract:||Ba-doped multiferroic BiFeO3thin films were successfully prepared on Pt/TiO2/SiO2/Si(1 0 0) substrates by pulsed laser deposition. X-ray diffraction showed that the Bi0.75Ba 0.25FeO3thin film was single phase with (1 0 1) preferential polycrystalline orientation. Both ferroelectricity and ferromagnetism of these films were observed at room temperature by P-E and M-H loop measurements, respectively. The magnetoelectric coupling effect was demonstrated by measuring the dielectric constant in a varying magnetic field. The dielectric constants measured at 10 kHz increased with an increase in the applied magnetic field, giving a coupling coefficient (εr (H) - εr (0))/εr (0) of 1.1% at H ≤ 8 kOe at room temperature, which shows potential application. © 2007 IOP Publishing Ltd.|
|Source Title:||Journal of Physics D: Applied Physics|
|Appears in Collections:||Staff Publications|
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