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The present article aims to give a brief overview about the advantages of the hydrothermal crystallization method for the synthesis of advanced ceramics. Emphasis is given, not only on the conventional hydrothermal crystallization, but also on some of its variants; such as ultrasound-assisted, electrochemical-assisted, microwave-assisted and surfactant-assisted hydrothermal methods which open up new opportunities for the synthesis of ceramic materials with novel properties demanded for advanced applications. In the current work the synthesis of barium titanate (BaTiO3), lithium metasilicate (Li2SiO3) and sodium-potassium niobate (Na, K)NbO3 powders are reported as cases of study.


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Synthesis of advanced ceramics by hydrothermal crystallization and modified related methods

Show Author's information José ORTIZ-LANDEROSaCarlos GÓMEZ-YÁÑEZaRigoberto LÓPEZ-JUÁREZb( )Iván DÁVALOS-VELASCOHeriberto PFEIFFERc
Departamento de Ingeniería Metalúrgica, Escuela Superior de Ingeniería Química e Industrias Extractivas, IPN, UPALM, Av. Instituto Politécnico Nacional s/n, CP 07738, México DF, México.
Centro de Ciencias Aplicadas y Desarrollo Tecnológico, Universidad Nacional Autónoma de México, A.P. 70-186, Coyoacán, México D.F., México.
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito exterior s/n, Ciudad Universitaria, ???Del. Coyoacán, CP 04510, México DF, México.

Abstract

The present article aims to give a brief overview about the advantages of the hydrothermal crystallization method for the synthesis of advanced ceramics. Emphasis is given, not only on the conventional hydrothermal crystallization, but also on some of its variants; such as ultrasound-assisted, electrochemical-assisted, microwave-assisted and surfactant-assisted hydrothermal methods which open up new opportunities for the synthesis of ceramic materials with novel properties demanded for advanced applications. In the current work the synthesis of barium titanate (BaTiO3), lithium metasilicate (Li2SiO3) and sodium-potassium niobate (Na, K)NbO3 powders are reported as cases of study.

Keywords:

Key words: hydrothermal synthesis, barium titanate, Li2SiO3, potassium-sodium niobate
Received: 29 August 2012 Accepted: 09 October 2012 Published: 11 December 2012 Issue date: September 2012
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Publication history

Received: 29 August 2012
Accepted: 09 October 2012
Published: 11 December 2012
Issue date: September 2012

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© The author(s) 2012

Acknowledgements

The authors thank to SIP-IPN and SNI-CONACYT México for the financial support. Furthermore, the authors thank to Dr. J.J. Cruz Rivera and M.Sc. Tyler T. Norton for their technical help with TEM analyses and technical support on results discussion, respectively.

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