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Goikolea, E. and Garitaonandia, J. S. and Insausti, M. and Gil de Muro, I. and Suzuki, M. and Uruga, T. and Tanida, H. and Suzuki, K. and Ortega, D. and Plazaola, F. and Rojo, T. (2010) Magnetic and structural characterization of thiol capped ferromagnetic Ag nanoparticles. Journal of Applied Physics, 107 (9). 09E317. ISSN 00218979

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    Abstract

    Dodecanethiol capped Ag nanoparticles (NPs) have been independently synthesized by the well-known Brust method under the same physical-chemical conditions. The obtained NP present similar sizes ( ∼ 2 nm) but different magnetic behaviors. The extended x-ray absorption fine structure analyses at the K-edge of Ag did not reveal any noticeable structural nor topological differences among the samples. In clear contrast with the structure provided for thiol capped ferromagnetic Au NPs, the analysis also brings out the existence of Ag–S bonds in a diffuse region surrounding a reduced Ag core where the magnetism of the Ag NPs would be located.

    Item Type: Article
    Subjects: Physical Sciences
    Physical Sciences > Chemistry
    Physical Sciences > Materials Science
    Divisions: UNSPECIFIED
    Depositing User: Dr Daniel Ortega
    Date Deposited: 30 Nov 2012 11:24
    Last Modified: 30 Nov 2012 11:24
    URI: http://opendepot.org/id/eprint/1538

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