Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Crystallization and conductivity of CuO--$P_{2}O_{5}$-$Nb_{2}O_{5}$-$V_{2}O_{5}$Glasses for Solid State Eletrolyte

고체전해질용 CuO-$P_{2}O_{5}$-$Nb_{2}O_{5}$-$V_{2}O_{5}$계 유리의 결정화와 전기전도도

  • 손명모 (대구공업대학 세라믹신소재과) ;
  • 이헌수 (대구공업대학 세라믹신소재과) ;
  • 김종욱 (전북대학교 전자정보사업단) ;
  • 김윤선 (전남대학교 전기공학과) ;
  • 구할본 (전남대학교 전기공학과)
  • Published : 2001.05.01
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Abstract

Glasses in he system CuO-P$_2$O$_{5}$ -Nb$_2$O$_{5}$ -Nb$_2$O$_{5}$ -V$_2$O$_{5}$ were prepared by a press-quenching method on the copper plate. the glass-ceramics from these glasses were obtained by post-heat treatment, and the crystallization behavior and DC conductivities were determined. The conductivities of the glasses were range from 10$^{-6}$ s.$cm^{-1}$ / at room temperature ,but the conductivities of the glass-ceramics were 10$^{-3}$ s.$cm^{-1}$ / increased by 10$^3$ order. The crystalline product in the glass-ceramics was CuV$_2$O$_{6}$ . the crystal growth of CuV$_2$O$_{6}$ phase increased with heat-treatment conditions. The linear relationship between il($\sigma$T) and T$^{-1}$ suggested that the electrical conduction in the present glass-ceramics would be due to a small polaron hopping(SPH) mechanism.

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References

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