Results 31 to 40 of about 88 (88)
Efecto de la relación área-volumen en la sinterización de varistores cerámicos basados en ZnO-Bi2O3
Boletín de la Sociedad Española de Cerámica y Vidrio, 2002 Sintering of ceramic varistors based on the system ZnO-Bi2O3-Sb2O3 takes place at 1150-1200ºC in the presence of a Bi-rich liquid phase which forms at 700-800ºC, depending on the exact material composition.
Caballero, A. C. +3 more
doaj
Boletín de la Sociedad Española de Cerámica y Vidrio, 2004 In the present work, the theory of charge transport through active interfaces is used to study the electronic properties of ZnO-based varistors. It has been observed that for a certain range of sintering temperatures the microscopic electrical response ...
Fernández Hevia, D. +3 more
doaj
Propiedades dieléctricas de láminas delgadas de (Pb,Ca)TiO3 con alto contenido de Ca
Boletín de la Sociedad Española de Cerámica y Vidrio, 2004 Lead titanate thin films modified with calcium, Pb1-xCaxTiO3, with x>35%, have been deposited onto Pt/TiO2/SiO2/(100)Si y Pt/(100)MgO substrates, by the sol-gel method and a rapid thermal processing (RTP).
Calzada, M. L. +5 more
doaj
Pesquisa e desenvolvimento em cerâmicas eletro-eletrônicas no IPEN
Cerâmica, 1999 O Grupo de Cerâmicas Eletro-eletrônicas do IPEN desenvolve trabalhos de pesquisa em materiais cerâmicos avançados para utilização em dispositivos sensores de espécies químicas e em células de combustíveis a eletrólitos sólidos.
Muccillo R., Muccillo E. N. S.
doaj
Incorporación de la fase Zn7Sb2O12 previamente sintetizada en varistores cerámicos basados en ZnO
Boletín de la Sociedad Española de Cerámica y Vidrio, 2002 During the sintering process of ZnO-Bi2O3-Sb2O3 based varistors, different reactions take place. The formation of the Zn7Sb2O12 spinel phase occurs between 900 and 1100ºC depending on the composition of the material.
Caballero, A. C. +2 more
doaj
Boletín de la Sociedad Española de Cerámica y Vidrio, 2001 The electrical properties of ceramic varistors based on the ZnO-Bi2O3-Sb2O3 system are related to the complexity of its polycrystalline microstructure.
Peiteado, M. +3 more
doaj
Efecto del lavado con etilendiamina sobre las propiedades de las nanopartículas de óxido de estaño
Boletín de la Sociedad Española de Cerámica y Vidrio, 2007 Tin oxide, is a compound used in many technological applications among them as gas sensor and in the production of varistors, electronic devices, electrocatalitic electrodes and fotovoltaic cells, among others.
Montenegro Hernández, A. +2 more
doaj
Solid state compatibility in the ZnO-rich region of ZnO-Bi2O3-Sb2O3 and ZnO-Bi2O3-Sb2O5 systems
Boletín de la Sociedad Española de Cerámica y Vidrio, 2010 The obtaining of ZnO-Bi2O3-Sb2O3 (ZBS) based varistor thick films with high non-linear properties is constrained by the bismuth loss by vaporization that takes place during the sintering step of these ceramics, a process which is yet more critical in the
Jardiel, T. +3 more
doaj
Revista EIASe comparan resultados respecto al comportamiento eléctrico del material sinterizado, a partir de polvos precursores de materiales cerámicos con propiedades eléctricas no lineales, conocidos como varistores.
Eugenio Giraldo Tobón +1 more
doaj