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Effect of the Zn-B-O system on the sintering temperature of Ba(Zn1/3Nb2/3)O3 ceramics
Huxing * #,Guo Dong,Lingzhiyuan,Hexinhua
Department of Electronic Materials Science and Engineering, South China University of Technolog
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金（No.20070561024）
Opened online:18 March 2008
Accepted by: none
Citation: Huxing,Guo Dong,Lingzhiyuan.Effect of the Zn-B-O system on the sintering temperature of Ba(Zn1/3Nb2/3)O3 ceramics[OL]. [18 March 2008] http://en.paper.edu.cn/en_releasepaper/content/19418
 
 
The low-temperature sintering dielectrics were developed in complex perovskite Ba(Zn1/3Nb2/3)O3 with Zn-B-O system. The dense Ba(Zn1/3Nb2/3)O3 ceramics were obtained at the sintering temperature 950oC with Zn3B2O6-ZnB2O4 crystalline oxides or Zn-B-O glass including 10mol%ZnO and 5mol%B2O3. The dense Ba(Zn1/3Nb2/3)O3 ceramics with 10mol%ZnO-10mol%H3BO3 or 10mol%H3BO3 can be obtained at sintering temperature 1075oC. The reaction between sintering aids and Ba(Zn1/3Nb2/3)O3 was investigated by the XRD analysis. The results shows the melting behavior and the disappearance of Ba(Zn1/3Nb2/3)O3 when mixing 20mol%(Zn3B2O6-ZnB2O4) with 80mol%Ba(Zn1/3Nb2/3)O3 heating at 880oC. The formation of the liquid phase in the Ba-Zn-B-O system contributes to the low sintering Ba(Zn1/3Nb2/3)O3 ceramics with Zn3B2O6-ZnB2O4. The dielectric properties of Ba(Zn1/3Nb2/3)O3 with the Zn-B-O system are also discussed.
Keywords:烧结，电介质，钙钛矿
 
 
 

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