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Sub-micron scale BiFeO 3 has been fabricated by annealing precursor powders prepared through microwave-assisted sol–gel self-combustion method. It is found that the content of glacial acetic acid is crucial to particle morphologies and magnetic properties. The average particle size for the final products increases from tens to hundreds of nanometers with increasing glacial acetic acid content...
Novel hematite (α-Fe 2 O 3 ) hollow spheres were prepared through a surfactant-assisted solvothermal process. The XRD, SEM and TEM characterization data confirm that the formation of α-Fe 2 O 3 hollow spheres exhibits waxberry-like architectures with spindle nanoparticles, the length in the range of 150–400 nm, as building block. Their tips of these nanoparticles were...
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