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Morphology and Piezoelectric Properties of Diphenylalanine Microcrystals Grown from Methanol-Water Solution

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Summary:Morphology and piezoelectric properties of diphenylalanine microcrystals grown by drying the droplet of methanol and water mixture in various proportions have been studied. We have found that the increase of water concentration leads to the significant change of the microcrystal morphology from flat dendrite structures to elongated microcrystals: microtubes and microrods. The effect was attributed to increasing of the drying time. The morphology of the dendrite structures was revealed and empirical dependence of the dendrite thickness on diameter was found. Finally, the piezoelectric activity of the microtubes was demonstrated using the piezoresponse force microscopy.
Main Authors:Zelenovskiy, P S
Other Authors:Shur, V Ya; Nuraeva, A S; Vasilev, S G; Vasileva, D S; Alikin, D O; Chezganov, D S; Krasnov, V P; Kholkin, A L
Subject:Dipeptide Microtube Microrode Dendrite structure Crystal growth Piezoelectricity
Year:2015
Country:Portugal
Document type:article
Access type:restricted access
Associated institution:Universidade de Aveiro
Language:English
Origin:RIA - Repositório Institucional da Universidade de Aveiro

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