Paper Title:
Phase Transformation Behavior of Bi2O3-ZnO-Nb2O5 Ceramics Sintered at Low Temperature
  Abstract

To co-fire with commercial LTCC (Low Temperature Co-fired Ceramic) materials at 850oC ~ 880 oC, different contents of B2O3 were added to the Bi2O3-ZnO-Nb2O5 (BZN) ceramics. The dielectric properties of BZN ceramics sintered at low temperatures were studied. According to the test results, the cubic phase of BZN was transformed into orthorhombic in all the test materials. A BiNbO4 phase was formed in test materials with 2 ~ 5 wt% of B2O3 addition. The BiNbO4 phase was inhibited by extra ZnO addition. The phase transformation of cubic BZN was controlled during the synthesis process of cubic and orthorhombic ZnO-Nb2O5 phase with excess ZnO content. The Cubic and orthorhombic phases of BZN could coexist and be sintered densely at 850 oC/2hr.

  Info
Periodical
Materials Science Forum (Volumes 534-536)
Edited by
Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim
Pages
1477-1480
DOI
10.4028/www.scientific.net/MSF.534-536.1477
Citation
F. T. Shiao, H. C. Ke, Y. C. Lee, "Phase Transformation Behavior of Bi2O3-ZnO-Nb2O5 Ceramics Sintered at Low Temperature ", Materials Science Forum, Vols. 534-536, pp. 1477-1480, 2007
Online since
January 2007
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