http://www.cnr.it/ontology/cnr/individuo/prodotto/ID1476
Synthesis by co-sputtering of Au-Cu alloy nanoclusters in silica (Articolo in rivista)
- Type
- Label
- Synthesis by co-sputtering of Au-Cu alloy nanoclusters in silica (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.apsusc.2007.07.158 (literal)
- Alternative label
Mattei, G; Battaglin, G; Cattaruzza, E; Maurizio, C; Mazzoldi, P; Sada, C; Scremin, BF (2007)
Synthesis by co-sputtering of Au-Cu alloy nanoclusters in silica
in Journal of non-crystalline solids
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Mattei, G; Battaglin, G; Cattaruzza, E; Maurizio, C; Mazzoldi, P; Sada, C; Scremin, BF (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.sciencedirect.com/science/article/pii/S016943320701094X (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Univ Padua, Dept Phys, I-35131 Padua, Italy; Ca Foscari Univ, Dept Phys Chem, INFM, CNR, I-30123 Venice, Italy; European Synchrotron Radiat Facil, GILDA, CRG, CRN,INFM, F-38043 Grenoble, France (literal)
- Titolo
- Synthesis by co-sputtering of Au-Cu alloy nanoclusters in silica (literal)
- Abstract
- In this work we investigated the Au-Cu binary nanophase diagram by means of structural and compositional characterization of alloy nanoclusters synthesized in silica by means of rf-cosputtering technique. In order to obtain the formation of metallic nanoclusters, as deposited samples have been annealed in reducing atmosphere at 900 degrees C. A good agreement with the bulk alloy phase diagram has been found: in particular the fee cubic alloy solid solution is present in all the investigated compositions from pure Au to pure Cu, with a lattice parameter following the modified Vegard's law typical of the bulk alloy. Three ordered phases are also present corresponding to the Au:Cu atomic ratios of 3:1, 1:1 and 1:3. The linear and non-linear optical properties of the nanocomposites have been measured: the surface plasma resonance red-shifts with increasing the Cu content in the alloy and it spans the entire region from that of pure An (530 nm) to that of pure Cu (570 nm). (c) 2007 Elsevier B.V. All rights reserved. (literal)
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