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Hematite (α-Fe2O3) nanowires were synthesized using mesoporous SBA-15 silica as the hard templates, and then the well-dispersed α-Fe2O3 nanowires (NWS) were separated from the ordered α-Fe2O3 nanowires bundles (NWBS) by the centrifugation technique. X-ray diffraction (XRD), transmission electron microscopy (TEM) and surperconducting quantum interference device (SQUID) were used to characterize the...
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