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González Herrera, Elvira María ; Montero, M. I. ; Cebollada, F. ; De Julián Fernández, C ; Vicent López, José Luis ; González, J. M. | E D P Sciences | 1998-04-01We analyze the magnetic properties of mechanically ground nanosized Ni particles dispersed in a SiO_2 matrix. Our magnetic characterization of the as-milled samples show the occurrence of two blocking processes and that of non-monotonic milling [...]texto impreso
De la Venta, J. ; Fernandez Pinel, E. ; García, M. A. ; Crespo del Arco, Patricia ; Hernando Grande, Antonio ; Rodríguez de la Fuente, Óscar ; De Julián Fernández, C ; Fernández, A ; Penadés, S. | World Scientific Publ Co Pte Ltd | 2007-03-10We review here our recent results of experimental observation of room temperature magnetism in gold nanoparticles (NPs) and thin. films. Capping gold surfaces with certain organic molecules leads to the appearance of magnetism at room temperatur[...]
