Au−Cu Alloy Nanocluster Doped SiO2 Films by Sol−Gel Processing
Identifieur interne : 001919 ( Main/Exploration ); précédent : 001918; suivant : 001920Au−Cu Alloy Nanocluster Doped SiO2 Films by Sol−Gel Processing
Auteurs : G. De [Italie] ; G. Mattei [Italie] ; P. Mazzoldi [Italie] ; C. Sada [Italie] ; G. Battaglin [Italie] ; A. Quaranta [Italie]Source :
- Chemistry of Materials [ 0897-4756 ] ; 2000.
Abstract
Au−Cu alloy nanocluster formation in silica films has been achieved in the present study by sol−gel processing. A fundamental role for obtaining alloy clusters instead of separation of the metallic species is played by the annealing atmosphere. Annealing in reducing atmosphere (hydrogen-containing) results in Au−Cu alloy formation, whereas air annealing promotes not only Au cluster precipitation and Cu oxidation but also Au−Cu alloy separation in samples previously annealed under reducing atmosphere.
Url:
DOI: 10.1021/cm001053i
Affiliations:
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Mater.</title><idno type="ISSN">0897-4756</idno><idno type="eISSN">1520-5002</idno><imprint><publisher>American Chemical Society</publisher><date type="e-published" when="2000-07-06">2000</date><date when="2000-08-21">2000</date><biblScope unit="vol">12</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="2157">2157</biblScope><biblScope unit="page" to="2160">2160</biblScope></imprint><idno type="ISSN">0897-4756</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0897-4756</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract">Au−Cu alloy nanocluster formation in silica films has been achieved in the present study by sol−gel processing. A fundamental role for obtaining alloy clusters instead of separation of the metallic species is played by the annealing atmosphere. Annealing in reducing atmosphere (hydrogen-containing) results in Au−Cu alloy formation, whereas air annealing promotes not only Au cluster precipitation and Cu oxidation but also Au−Cu alloy separation in samples previously annealed under reducing atmosphere.</div></front></TEI><affiliations><list><country><li>Italie</li></country><region><li>Vénétie</li></region><settlement><li>Padoue</li></settlement><orgName><li>Université de Padoue</li></orgName></list><tree><country name="Italie"><region name="Vénétie"><name sortKey="De, G" sort="De, G" uniqKey="De G" first="G." last="De">G. De</name></region><name sortKey="Battaglin, G" sort="Battaglin, G" uniqKey="Battaglin G" first="G." last="Battaglin">G. Battaglin</name><name sortKey="Mattei, G" sort="Mattei, G" uniqKey="Mattei G" first="G." last="Mattei">G. Mattei</name><name sortKey="Mattei, G" sort="Mattei, G" uniqKey="Mattei G" first="G." last="Mattei">G. Mattei</name><name sortKey="Mazzoldi, P" sort="Mazzoldi, P" uniqKey="Mazzoldi P" first="P." last="Mazzoldi">P. Mazzoldi</name><name sortKey="Quaranta, A" sort="Quaranta, A" uniqKey="Quaranta A" first="A." last="Quaranta">A. Quaranta</name><name sortKey="Sada, C" sort="Sada, C" uniqKey="Sada C" first="C." last="Sada">C. Sada</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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