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期刊论文
Preparation and characterization of haematite nanowire arrays
J. Phys.: Condens. Matter 15(2003)1455-1459,-0001,():
Arrays of α-Fe2O3 nanowires embedded in anodic alumina membranes were obtained after heat-treating β-FeOOH nanowire arrays fabricated by electrochemical deposition. Haematite polycrystalline nanowires with maximum length of about 7μm and average diameter of about 120nm were characterized by means of x-ray diffraction and transmission electron microscopy. The Morin temperature below 80 K and N´eel temperature of about 350K for the α-Fe2O3 nanowire arrays, far lower than those of bulk material, were measured by Mössbauer spectroscopy and using a Magnetic Property Measurement System.
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