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Type: Artigo de periódico
Title: Electrostatic charging and charge transport by hydrated amorphous silica under a high voltage direct current electrical field
Author: Perles, CE
Volpe, PLO
Abstract: This work was initially based on the casual observation of an electrostatic phenomenon, in which particles of amorphous silica were attracted by a dc electrical field. The first observations were recently shown in a communication in this journal. To explain the electrical charge transport process observed in this work, all forces acting on silica particles were estimated and the significant ones were used to formulate a model made up of three elementary steps. Analyzing the experimental observations using this model, it was possible to suggest that electrons can be introduced into and removed from electronic bands of water. (C) 2011 American Institute of Physics. [doi:10.1063/1.3597777]
Country: EUA
Editor: Amer Inst Physics
Citation: Journal Of Chemical Physics. Amer Inst Physics, v. 134, n. 21, 2011.
Rights: aberto
Identifier DOI: 10.1063/1.3597777
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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