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Type: Artigo de periódico
Title: Crystal Growth Of Bi2teo5by A Double Crucible Czochralski Method
Author: Carvalho J.F.
Fabris Z.V.
De Oliveira I.
Frejlich J.
Abstract: Single crystals of bismuth tellurite (Bi2TeO5) were grown by a double crucible Czochralski method at different pulling and rotation rates, ranging from 0.1 mm/h to 0.8 mm/h and from 5 rpm to 20 rpm, respectively. The crystallized phase was verified by X-ray diffraction measurements, occurring structural defects were characterized, and the growth conditions were studied being determined the better parameters to growth good-quality single crystals with uniform pale yellow coloration. Optical band gap of 3.1 eV was determined from the optical transmission spectrum.
Editor: Elsevier
Rights: fechado
Identifier DOI: 10.1016/j.jcrysgro.2013.11.098
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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