Abstract
The aligned arrays of Cu−ferrite nanostructures, which consisted of magnetic Cu0.2Fe2.5O4 nanorods, have been prepared by an ethylene glycol (EG) and hexamethylenetetramine (HMTA)-assisted sol−gel process at 85 °C on a Cu substrate. The X-ray diffraction (XRD) pattern indicated that the sword-like Cu−ferrite nanorods were tetragonal phase. Furthermore, the high-resolution transmission electron microscopy (HRTEM) and the selected area electron diffraction (SAED) revealed that they had good crystal structure. The mechanism for the EG−HMTA-assisted sol−gel synthesis of tetragonal Cu−ferrite nanorods has been preliminarily explained.
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