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Low temperature sintering of CCTO using P(2)O(5) as a sintering aid

IR@CGCRI: CSIR-Central Glass and Ceramic Research Institute, Kolkata

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Title Low temperature sintering of CCTO using P(2)O(5) as a sintering aid
 
Creator Goswami, Sudipta
Sen, Amarnath
 
Subject Basic Science
 
Description Recent work on CCTO is directed towards decreasing its dissipation factor and further raising its dielectric constant by using different dopants. Also attempts have been made to lower its sintering temperature by adding different sintering aids so as to save energy and use low-cost electrodes (Ag-Pd or base metal) for making multilayer capacitors. Normally, CCTO needs a processing temperature of 1100 degrees C and above for densification. We report the formation of dense CCTO ceramics at a temperature as low as 1000 degrees C by adding P(2)O(5) as a sintering aid. The samples showed dielectric constant value as high as 40,000, though the dissipation factor values remained high like those reported for pure CCTO. (C) 2010 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
 
Publisher Elsevier
 
Date 2010-07
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cgcri.csircentral.net/780/1/sudipta'10.pdf
Goswami, Sudipta and Sen, Amarnath (2010) Low temperature sintering of CCTO using P(2)O(5) as a sintering aid. Ceramics International, 36 (5). pp. 1629-1631. ISSN 0272-8842
 
Relation http://cgcri.csircentral.net/780/