Processes Occurring at Preparation of Ca3Co4O9+ Ceramics by Means of Different Solution Methods, and Its Properties

Matsukevich, I.V.; Klyndyuk, A.I.

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Title	Processes Occurring at Preparation of Ca3Co4O9+ Ceramics by Means of Different Solution Methods, and Its Properties
Authors	Matsukevich, I.V. Klyndyuk, A.I.
ORCID
Keywords	Thermoelectric Oxide Sol-Gel Method Electrical Conductivity Thermo-EMF Power Factor
Type	Conference Papers
Date of Issue	2013
URI	http://essuir.sumdu.edu.ua/handle/123456789/35255
Publisher	Sumy State University
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Citation	Matsukevich, I.V. Processes Occurring at Preparation of Ca3Co4O9+ Ceramics by Means of Different Solution Methods, and Its Properties [Текст] / I.V. Matsukevich, A.I. Klyndyuk // Nanomaterials: Applications & Properties (NAP-2013) : 3-rd International conference, Alushta, the Crimea, Ukraine, September 16-21, 2013 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2013. - V.2, No2. - 02PCN39
Abstract	By means of complex independent methods the processes occurring at preparation of Ca3Co4O9+ ceram-ics using solid-state reactions and different solution (citrate, polymeric and sol-gel) methods were investi-gated. The crystal structure and microstructure, oxygen stoichiometry, thermal expansion, electrical con-ductivity and thermo-EMF of the samples were studied and values of their power factor were calculated. It is shown that usage of solution methods let us obtain more dense and fine-grained ceramics, which is char-acterized with higher values of electrical conductivity and power factor. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35255
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