Influence of La Doping on Magnetic and Optical Properties of Bismuth Ferrite Nanofibers

The influence of La doping on the crystal structure, ferromagnetic, and optical properties of BFO nanofibers was investigated. Bi1−xLaxFeO3 ultrafine nanofibers were synthesized by the electrospinning method. The surface morphology and crystal structure of the as-spun and sintered fibers were not af...

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Bibliographic Details
Published in:Journal of nanomaterials 2012-01, Vol.2012 (2012), p.1-5
Main Authors: Nan, Ce-Wen, Wei, Yan, Lin, Yuanhua, Liu, Haiyang, Zhang, Ziang, Deng, Xuliang
Format: Article
Language:English
Subjects:
Crystal structure
Doping
Electrospinning
Ferromagnetism
Light
Magnetism
Magnetization
Magnetization curves
Nanofibers
Nanomaterials
Nitrates
Optical properties
Photodegradation
Scanning electron microscopy
Semiconductors
Studies
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Summary:The influence of La doping on the crystal structure, ferromagnetic, and optical properties of BFO nanofibers was investigated. Bi1−xLaxFeO3 ultrafine nanofibers were synthesized by the electrospinning method. The surface morphology and crystal structure of the as-spun and sintered fibers were not affected by the doping. The impurity phases of the BFO crystals were weakened with the increment of La concentration. The magnetization field curves showed that the magnetization weakened under low La doping proportion, but strengthened with the increase of the doped proportion. The magnetization curves also showed continuous strong enhancement of ferromagnetic behavior. The results of UV-vis and photoabsorption testing revealed little influence of La doping on the optical property.
ISSN:1687-4110
1687-4129
DOI:10.1155/2012/238605