Journal
NANOTECHNOLOGY
Volume 16, Issue 9, Pages 1584-1588Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/16/9/030
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Ultrathin magnetic Fe3O4 nanodiscs with thicknesses of similar to 20 nm and diameters ranging from 500 to 1000 nm have been obtained on a large scale by a surfactant-assisted solvothermal process. Transmission electron microscopy characterizations show that the nanodiscs grow along the [I 101 direction. NaOH and PEG-20000 (PEG stands for polyethylene glycol) have key effects on the morphology of the nanodiscs. In addition, the magnetic hysteresis loop of the ultrathin nanodiscs is obtained at room temperature.
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