INVESTIGADORES
MUDARRA NAVARRO Azucena Marisol
artículos
Título:
Mechanosyntesis of Fe doped SnO2 nanoparticles
Autor/es:
A. F. CABRERA, A. M. MUDARRA NAVARRO, C.E. RODRÍGUEZ TORRES, F. H. SÁNCHEZ
Revista:
PHYSICA B - CONDENSED MATTER
Editorial:
ELSEVIER SCIENCE
Referencias:
Lugar: Amsterdam; Año: 2007 vol. 398 p. 215 - 218
ISSN:
0921-4526
Resumen:
Fe-doped nanosized SnO2 powders were prepared by mechanical alloying technique using rutile SnO2 and hematite Fe2O3 as starting materials. The estimated grain size of the obtained rutile structure was between 10 and 20 nm. Mössbauer spectroscopy shows the presence of two interaction corresponding to 3+ and 2+ iron oxidation states with alike relative fraction. The magnetic measurements exhibit ferromagnetic and superparamagnetic-like behaviour. Evidence of a system of strongly interacting particles was found.
