Please use this identifier to cite or link to this item: http://gukir.inflibnet.ac.in:8080/jspui/handle/123456789/3625
Title: PTCR-NTCR composite behavior of bismuth titanate ceramics
Authors: Sharanappa N
Madolappa S
Sagar R
Raibagkar R.L.
Keywords: and TGA-DSC
Bi4Ti3O12
PTCR-NTCR composite
X-ray diffraction
Issue Date: 2013
Citation: AIP Conference Proceedings , Vol. 1536 , , p. 561 - 562
Abstract: In this paper, we report the synthesis of bismuth titanate (Bi 4Ti3O12, BiT) ceramics by solid state reaction method. Structural and electrical properties were studied for phase and temperature coefficient of resistance, respectively. A single phase orthorhombic structure of bismuth titanate was observed. Sample shows mixed temperature coefficient of resistance behavior, exhibiting negative TCR (NTCR) in the beginning and later positive TCR (PTCR). This kind of unusual (?-T) behavior was accounted for core-shell microstructure. The result of TGA-DSC showed the crystallization temperature of these ceramic samples. © 2013 AIP Publishing LLC.
URI: 10.1063/1.4810350
http://gukir.inflibnet.ac.in:8080/jspui/handle/123456789/3625
Appears in Collections:2. Conference Papers

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