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Ba-doped BiFeO3 (Bi1-xBaxFeO3) nanoparticles have been synthesized by sol-gel process using bismuth nitrate and iron nitrate as sources. X-ray diffraction (XRD) results show that a peak shift toward low angle caused by the Ba doping. Two characteristic peaks of (104) and (110) merging to a single peak was found when the Ba concentration up to 1%. Transmission electron microscope (TEM) images show...
Porous BiFeO3 nanoparticles were synthesized via sol-gel method in the presence of block copolymer Pluronic P123 surfactant. X-ray diffraction results showed that the nanoparticles were of single perovskite phase. Transmission electron microscopy images revealed that the porous BiFeO3 nanoparticles could only be synthesized at a lower calcining temperature in the range of 400-450degC. Nitrogen absorption-desorption...
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