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Title: Nano and micro reoriented domains and their relation with the crystal structure in the new ferroelectric boracite Zn3B7O 13Br
Author: Campa-Molina, J.
Ulloa-Godinez, S.
Barrera, A.
Bucio, L.
Mata, J.
Issue Date: 2006
Abstract: A new zinc brome boracite Zn3B7O13Br has been grown by a chemical transport reaction in closed quartz ampoules at 920 K. The crystal structure was characterized by Rietveld refinement. Ferroelectric nano and micro reorientable domains were found in this material using polarizing optical microscopy (PLM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Chemical analysis was performed with x-ray energy dispersive spectroscopy (EDX). In the crystal, a new structure transition at 586 K from orthorhombic (Pca 21) to cubic cell () has been found. This transition was corroborated by differential scanning calorimetry (DSC). � 2006 IOP Publishing Ltd.
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