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Influencia de los defectos puntuales en las propiedades ferroeléctricas del titanato de bismuto (Bi4Ti3O12)
(2018-05-02)
RESUMEN: En el presente trabajo se estudió la química de defectos del sistema cerámico titanato
de bismuto (Bi4Ti3O12) a temperatura ambiente, se hizo énfasis en el efecto de los
defectos puntuales sobre las propiedades ...
Síntesis de nanoparticulas de BaTiO3: Er3+ por el método hidrotermal
(11/06/2012)
ABSTRACT: Nanoparticles of Er3+ ions doped BaTiO3 were synthesized by hydrothermal method. In the first stage it was established the best reaction condition for synthesize them into an autoclave, taking into account different ...
Dielectric behavior of epoxy/BaTiO3 composites using nanostructured ceramic fibers obtained by lectrospinning
(American Chemical Society, 2013-02-02)
Composite materials made of epoxy resin and barium titanate (BT) electrospun nanostructured fibers were prepared. BT fibers were synthesized from a sol based on barium acetate, titanium isopropoxide, and poly(vinyl ...
Estudo de filmes finos nanocompósitos de titanato de bário/ferrita de cobalto produzidos pelo processo sol-gel
(Universidade Federal de Minas GeraisUFMG, 2012-12-05)
In this work, a study of the physical-chemistry properties of materials consisting of BaTiO3, CoFe2O4 and intercalated BaTiO3/CoFe2O4 thin films produced by sol-gel process, using dip-coating technique, was realized. The ...
Síntese solvotérmica de BaTiO3: efeito da pressão na morfologia e tamanho de partícula
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM CIÊNCIA E ENGENHARIA DE MATERIAIS, 2019-05-02)
In the constant effort for the development of materials free from agglomeration and with
controlled morphology, it is necessary to understand the influence of the process
parameters on the characteristics of the obtained ...
Effect of different starting materials on the synthesis of Ba0.8Ca0.2TiO3
(2015-03-01)
Literature has reported the synthesis of barium calcium titanates by various synthesis methods such as solid state reaction, co-precipitation and polymer precursors. These compounds are usually obtained using calcium ...
Síntese e caracterização de compósitos multiferroicos de manganita La: Sr e titanatos de Ba e Sr
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Física - PPGF, 2011-03-18)
In this paper, we seek to prepare composite multiferroics extrinsic whose potential for technological applications, especially in the electronics industry, and the possibility of new phenomena of fundamental scientific ...
Efeito das terras raras nas propriedades óticas do BaM'O.IND.3'(M==Zr, Ti)
(Universidade Estadual Paulista (UNESP), 2014)
Caracterização estrutural por refinamento Rietveld de cerâmicas de BaTio3 substituídas por íons de manganês
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2017-06-14)
In the advanced ceramics processing, there has been a raise of interest on the development of techniques capable of processing high quality physical-chemical powders. Utilizing solid-solution materials synthesis, x-ray ...