Structural, Optical and Multiferroic Properties of (Nd, Zn)-Co-doped BiFeO3 Nanoparticles

Shu, Huazhong, Ma, Yuhui, Wang, Zhongcao, Mao, Weiwei, Chu, Liang, Yang, Jianping, Wu, Qiang, Min, Yonggang, Song, Rongfang and Li, Xing’ao (2017) Structural, Optical and Multiferroic Properties of (Nd, Zn)-Co-doped BiFeO3 Nanoparticles. Journal of Superconductivity and Novel Magnetism, 30 (11). pp. 3027-3034. ISSN 1557-1939

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The pure BiFeO3 (BFO) and (Nd, Zn)-co-doped BFO nanoparticles were prepared by a sol-gel method. The crystal structure and optical and multiferroic properties of the samples were systematically investigated. Rietveld refinement showed that the samples crystallized in rhombohedral R3c structure. In UV-visible diffuse absorption spectra, an apparent blue shift can be observed after co-doping, which indicates a possible application in photocatalyst and photoconductive devices. Compared with a pure BFO sample, the leakage current density of the x = 0.05 sample decreases about 3 orders of magnitude. The remanent magnetization (Mr) of the x = 0.10 sample reaches 0.105 emu/g while the coercive field (Hc) is as high as 7.0 kOe. The (Nd, Zn) co-doping into BFO nanoparticles has been proved to be an effective way to improve the optical and multiferroic properties.

Item Type: Article
Uncontrolled Keywords: BiFeO3, Optical properties, Ferroelectric properties, Magnetic properties, Sol-gel method
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 22 May 2017 13:25
Last Modified: 01 Aug 2021 09:01

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