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Type: Artigo de periódico
Title: Substrate effect on latex particle self-arraying: a SEPM study
Author: Teixeira-Neto, E
Galembeck, F
Abstract: Sub-monolayers of PS-AAM latex particles were examined by scanning electric potential microscopy (SEPM), non-contact atomic force microscopy (AFM) and field-emission scanning electron microscopy (FESEM). The micrographs revealed domains of positive or negative potentials within the individual particles and aggregates, forming multipoles. All the particle multipoles have the same relative orientation in the image plane and they are aligned with the mica a crystallographic axis. Particle alignment is interpreted considering the polarization anisotropy in the mica (001) plane: the deposited particles rotate, until the particle dipole-mica induced dipole interaction energy is minimum. (C) 2002 Elsevier Science B.V. All rights reserved.
Subject: poly (styrene-co-acrylamide) latex
multipolar particles
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/S0927-7757(02)00096-1
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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