Structural properties of amorphous Fe2O3 nanoparticles B. T.H.L. Khanh, V. V. Hoang and H. Zung Eur. Phys. J. D, 49 3 (2008) 325-332 Published online: 29 August 2008 DOI: 10.1140/epjd/e2008-00168-1