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Effects of Manganese Addition on Phase Formation, and Microstructure of Barium Titanate Ceramics


Paper Type 
 Short Communication
Title 
 Effects of Manganese Addition on Phase Formation, and Microstructure of Barium Titanate Ceramics
Author 
 Jirapa Tangsritrakul, and Rattikorn Yimnirun
Email 
 tang_ji@yahoo.com
Abstract:
The influence of  manganese (Mn) addition on phase formation and microstructure of Ba(Ti1-xMnx)O3 ceramics (where x = 0.01 to 0.2) was investigated. The XRD analysis showed that the crystal structure of Ba(Ti1-xMnx)O3 at room temperature changed from tetragonal to hexagonal as Mn concentration increased. The microstructure of Ba(Ti1-xMnx)O3 ceramics at low Mn concentration revealed a bimodal feature consisting of well-grown plate like grains larger than 100 μm with low aspect ratios embedded in a fine-grained (about 3–5 μm) matrix. As the x value increased, the well-grown grains decreased with the extent of fine grains increased.
Start & End Page 
 165 - 169
Received Date 
 2009-05-15
Revised Date 
Accepted Date 
 2009-06-25
Full Text 
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Keyword 
 Mn-doped BaTiO3, hexagonal, dielectric properties, ferroelectric properties
Volume 
 Vol.37 No.1 (JANUARY 2010)
DOI 
Citation 
 Tangsritrakul J. and Yimnirun R., Effects of Manganese Addition on Phase Formation, and Microstructure of Barium Titanate Ceramics, Chiang Mai J. Sci., 2010; 37(1): 165-169.
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Chiang Mai Journal of Science

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