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MAGNETIC PROPERTIES OF g-Fe2O3 NANOPARTICLES

D. Predoi1,* , V. Kuncser1, G. Filoti2, G. Schinteie2

Affiliation

  1. LMOV, CNRS-Universite de Versailles, 78035 Versailles-Cedex, France
  2. National Institute of Materials Physics, RO-76900 Bucharest-Magurele, Romania

Abstract

The g-Fe2O3 nanoparticles with different surface states are investigated by X-ray Diffraction, Electron Microscopy, Differential Thermal Analysis and magnetic measurements in low applied field. The influence of the adsorbed species (H2O and sulphate complexes) on the inter-particle magnetic interactions is analysed in relation to both the magnetic states of the surface and the inter-particle distance..

Keywords

Nanostructures, Surfaces and interfaces, Chemical synthesis.

Submitted at: July 22, 2002
Accepted at: March 12, 2003

Citation

D. Predoi, V. Kuncser, G. Filoti, G. Schinteie, MAGNETIC PROPERTIES OF g-Fe2O3 NANOPARTICLES, Journal of Optoelectronics and Advanced Materials Vol. 5, Iss. 1, pp. 211-216 (2003)