Paper Title:
Preparation of Bi-Based High Curie Temperature PTCR Ceramic
  Abstract

PTCR ceramic samples of two systems, Bi4Ti3-xNbxO12+x/2(BTNO, 0≤x≤0.01) and Bi4Ti3O12 + (1-z)BaTi1-xNbxO3+x/2+2.0mol%TiO2 (BTO+(1-z)BTNO, 0≤x≤0.01, 0≤z≤1.0), were prepared by mixed oxide method. The properties of the sapmples were characterized by XRD, AFM and electrical properties testing. The results showed that single BaBi4Ti4O15 was obtained when x=0.05 and z=0.5. The roomtemperature resistivity of BTO+(1-z)BTNO ceramic sintered in air was 102-1045·cm. The minimum resistivity occurred at Nb content of about 0.3mol%.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
459-460
DOI
10.4028/www.scientific.net/KEM.368-372.459
Citation
Y. H. Liang, Y. P. Pu, H. Y. Miao, "Preparation of Bi-Based High Curie Temperature PTCR Ceramic", Key Engineering Materials, Vols. 368-372, pp. 459-460, 2008
Online since
February 2008
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Price
$32.00
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