A Combined Experimental and Theoretical Study on the Formation of Ag Filaments on β-Ag 2 MoO 4 Induced by Electron Irradiation
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Altres documents de l'autoria: Andres, Juan; Ferrer, Mateus M.; Gracia, Lourdes; Beltran, Armando; Longo, V. M.; Cruvinel, Guilherme Henrique; Tranquilin, R. L.; Longo, Elson
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Mostra el registre complet de l'elementcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7013
comunitat-uji-handle3:10234/8638
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INVESTIGACIONMetadades
Títol
A Combined Experimental and Theoretical Study on the Formation of Ag Filaments on β-Ag 2 MoO 4 Induced by Electron IrradiationAutoria
Data de publicació
2015Editor
Wiley-VCH VerlagISSN
0934-0866; 1521-4117Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://onlinelibrary.wiley.com/doi/10.1002/ppsc.201400162/epdfVersió
info:eu-repo/semantics/submittedVersionParaules clau / Matèries
Resum
A combined experimental and theoretical study is presented to understand the novel observed nucleation and early evolution of Ag fi laments on β-Ag 2 MoO 4 crystals, driven by an accelerated electron beam from an ... [+]
A combined experimental and theoretical study is presented to understand the novel observed nucleation and early evolution of Ag fi laments on β-Ag 2 MoO 4 crystals, driven by an accelerated electron beam from an electronic micro-scope under high vacuum. The growth process, chemical composition, and the element distribution in these fi laments are analyzed in depth at the nanoscale level using fi eld-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM) with energy-dispersive spectros-copy (EDS) characterization. To complement experimental results, chemical stability, structural and electronic aspects have been studied systematically using fi rst-principles electronic structure theory within a quantum theory of atoms in molecules (QTAIM) framework. The Ag nucleation and formation on β-Ag 2 MoO 4 are a result of structural and electronic changes of the AgO 4 tetrahedral cluster as a constituent building block of β-Ag 2 MoO 4 , consistent with Ag metallic formation. The formation of Ag fi lament transforms the β-Ag 2 MoO 4 semiconductor from n- to p- type concomitant with the appearance of Ag defects. [-]
Publicat a
Particle and Particle Systems Characterization, 2015, 32, 646–651Drets d'accés
"This is a pre-peer reviewed version of the following article: ANDRÉS, Juan, et al. A Combined Experimental and Theoretical Study on the Formation of Ag Filaments on β‐Ag2MoO4 Induced by Electron Irradiation. Particle & Particle Systems Characterization, 2015, vol. 32, no 6, p. 646-651, which has been published in final form at http://dx.doi.org/10.1002/ppsc.201400162. This article may be used for noncommercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving."
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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