Journal of Solid State Electrochemistry

, Volume 8, Issue 4, pp 218–223 | Cite as

Electrochemical synthesis of Fe3O4 nanoparticles in alkaline aqueous solutions containing complexing agents

  • S. FrangerEmail author
  • P. Berthet
  • J. Berthon
Original Paper


Ultrafine magnetite particles are prepared through an electrochemical process, at room temperature, from an iron-based electrode immersed in an alkaline aqueous medium containing complexing compounds. XRD and chemical analysis indicate that the product is pure magnetite, Fe3O4. The size and morphology of the particles are studied by SEM. The magnetite nanoparticles present a magnetoresistance of almost 3%, at 300 K, under a magnetic field of 1 T. A reactive mechanism for the electrochemical process is proposed.


Inorganic electrosynthesis Iron oxide Iron(III) oxyhydroxide Magnetite Nanoparticles 



The authors are grateful to Mr. Christian Haut (ICMMO, Université Paris Sud – XI), who provided the SEM micrographs of magnetite.


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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  1. 1.Laboratoire de Physico-Chimie de l’Etat Solide, UMR CNRS 8648Université Paris XIOrsayFrance

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