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Título : a-Fe nanoparticles produced by laser ablation: Optical and magnetic properties
Autor : Vitta, Yosmery
Piscitelli, Vincent
Fernández, Alberto
Gonzalez-Jimenez, Fernando
Castillo, Jimmy
Palabras clave : a-Fe nanoparticles
laser ablation
Fecha de publicación : 17-Oct-2013
Resumen : Nanoparticles with optical and magnetic responses are of great applicability in different fields. In this work, zero valent iron nanoparticles were prepared by laser ablation and stabilized in a surfactant solution to keep particles dispersed and protected in the solution. Optical and magnetic properties of nanoparticles were measured, by UV and Mössbauer spectroscopy. The results show the formation of nanoparticles of a-Fe (ferromagnetic). Our method of preparation, which uses a high H+ concentration in the medium, diminishes the zero valent iron oxidation, producing iron nanoparticle with a core of a-Fe and a small shell probably composed of iron oxides
URI : http://saber.ucv.ve/jspui/handle/123456789/4490
ISSN : 0009-2614
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