J Nanosci Nanotechnol
June 2021
The magnetic -Fe₂O₃/Fe₃O₄ heterostructure nanorods were fabricated by an alcohol-solution direct combustion method. The influence of the calcination temperature on the composition and properties of the nanorods was investigated. When the calcination temperature was not greater than 400 °C, the magnetic -Fe₂O₃/Fe₃O₄ heterostructure nanorods were obtained, and the saturation magnetization (Ms) of the magnetic -Fe₂O₃/Fe₃O₄ heterostructure nanorods decreased with the calcination temperature increasing from 250 °C to 400 °C; when the calcination temperature was equal or greater than 450 °C, -Fe2O3 nanorods were obtained.
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