Abstract

Studying magnetic characteristics of iron oxide nanoparticles was highlighted as a key step in creating potential powder nanomaterials. The occurrence of electron spins parallel to the crystallographic orientations and single domain nanopartilces are the recognized causes of superparamagnetism in bulk magnetite. Nanoparticles whose size could be tuned exhibit this superparamagnetism effect. The reverse co-precipitation process is used to create the current magnetite nanoparticles. The iron oxide nanoparticles were synthesized by reverse chemical coprecipitation method and were confirmed based on XRD data. The room temperature magnetic property was studied and the tiny levels of coercivity and remanence indicate that the samples may exhibit superparamagnetic nature.

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