Direct in situ observation of the electron-driven synthesis of Ag filaments on a-Ag2WO4 crystals
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Other documents of the author: Longo, Elson; Cavalcante, Laécio Santos; Volanti, Diogo P.; Gouveia, Amanda; Longo, V. M.; Varela, José A.; Orlandi, Marcelo; Andres, Juan
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7013
comunitat-uji-handle3:10234/8638
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Title
Direct in situ observation of the electron-driven synthesis of Ag filaments on a-Ag2WO4 crystalsAuthor (s)
Date
2013Publisher
Nature Publishing groupISSN
2045-2322Type
info:eu-repo/semantics/articlePublisher version
http://www.nature.com/srep/2013/130417/srep01676/full/srep01676.htmlVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
In this letter, we report, for the first time, the real-time in situ nucleation and growth of Ag filaments on α-Ag2WO4 crystals driven by an accelerated electron beam from an electronic microscope under high vacuum. ... [+]
In this letter, we report, for the first time, the real-time in situ nucleation and growth of Ag filaments on α-Ag2WO4 crystals driven by an accelerated electron beam from an electronic microscope under high vacuum. We employed several techniques to characterise the material in depth. By using these techniques combined with first-principles modelling based on density functional theory, a mechanism for the Ag filament formation followed by a subsequent growth process from the nano- to micro-scale was proposed. In general, we have shown that an accelerated electron beam from an electronic microscope under high vacuum enables in situ visualisation of Ag filaments with subnanometer resolution and offers great potential for addressing many fundamental issues in materials science, chemistry, physics and other fields of science. [-]
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Scientific Reports, 3, article number 1676Rights
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info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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