4.6 Article

Structural, dielectric and thermal properties of Ca9R2W4O24 [R-Nd, Sm] ceramics

Journal

MATERIALS CHEMISTRY AND PHYSICS
Volume 148, Issue 1-2, Pages 96-102

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2014.07.017

Keywords

Ceramics; Powder diffraction; Microstructure; Dielectric properties; Thermal properties

Funding

  1. Council of Scientific and Industrial research, India

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Dielectric ceramics based on Ca9Nd2W4O24 (CNW) and Ca9Sm2W4O24 (CSW) were synthesized using solid state reaction method. X-ray diffraction and EDAX analysis showed that phase purity could be achieved when ceramics were calcined at 1200 degrees C and sintered at 1450 degrees C. Dielectric properties of CNW and CSW ceramics were investigated with measurement performed at radio as well as microwave frequency range. The microstructure and thermal properties of the CNW and CSW ceramic samples were also investigated. (C) 2014 Elsevier B.V. All rights reserved.

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