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HomeMaterials Science ForumMaterials Science Forum Vol. 848Preparation and Properties of La-Doped BiFeO3 Thin...

Preparation and Properties of La-Doped BiFeO₃ Thin Films

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Abstract:

Bi_1-xLa_xFeO₃(x=0, 0.3) thin films were deposited on glass/ITO substrates through Sol-Gel Dip-Coating method and rapid annealing process. The structures were detected by X-ray diffraction patterns, Raman spectrometer and scanning electron microscopy. The magnetic, ferroelectric and optical properties of the films were studied by vibrating sample magnetometer, ferroelectric integrate tester and photovoltaic performance testing system, respectively. The experimental results indicate that BiFeO₃ thin film presents rhombohedral perovskite structure and Bi_0.7La_0.3FeO₃ films showed distorted perovskite structure, which were confirmed by XRD patterns and Raman spectrometer. The magnetism and ferroelectric properties of the films were obviously enhanced by La doping. Furthermore, the photocurrent response and photovltaic effect in BLFO thin films were detected.

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Periodical:

Materials Science Forum (Volume 848)

Pages:

645-651

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.848.645

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Online since:

March 2016

Authors:

Bing Lin Hu, Zong Zhen Li, Hui Qin Zhang, Shui Yuan Chen, Qing Ying Ye, Ji Fu Zhao, Yang Zhao, Zhi Gao Huang

Keywords:

BiFeO₃ film, Ferroelectricity, La-Doped, Magnetic Properties, Photovoltaic Properties

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