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Type: Artigo de periódico
Title: Imaging two-dimensional ice-like structures at room temperature
Author: Teschke, O
Valente, JF
de Souza, EF
Abstract: In this Letter, we report scanning force microscopy images with sufficient lateral resolution to microscopically identify the distinct ice-like structures on mica at finite humidity. The pattern calculated by Odelius et al. (1997) [1] for bilayers, e. g. a 2D ice-like structure that coincides with the unit cell of mica, was observed at molecular clusters edges and an ice-like with a hexagonal structure at its center. Other regions showing structures with a periodicity of 0.76 +/- 0.07 nm, possibly associated with a rhombohedral structure, and 0.63 +/- 0.06 nm a cubic structure, may be described as regions with compactly bonded intermixed structures. (C) 2009 Elsevier B. V. All rights reserved.
Country: Holanda
Editor: Elsevier Science Bv
Citation: Chemical Physics Letters. Elsevier Science Bv, v. 485, n. 41699, n. 133, n. 136, 2010.
Rights: fechado
Identifier DOI: 10.1016/j.cplett.2009.12.011
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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