DOI QR코드

DOI QR Code

Sb2O3 첨가제가 ZnO 배리스터의 전기적 특성에 미치는 영향

The Effect of Sb2O3 Additive on the Electrical Properties of ZnO Varistor

  • 투고 : 2016.08.08
  • 심사 : 2016.09.05
  • 발행 : 2016.10.01

초록

The leakage conduction and critical voltage characteristic of ZnO ceramic were investigated as a function of $Sb_2O_3$ concentration. Leakage conduction in the ohmic region increased with increasing $Sb_2O_3$ concentration and was attributed to the potential barrier height. The nonlinear coefficient increased with an increasing amount of $Sb_2O_3$. It was found that increases in the apparent critical voltages were associated with the lowered donor concentration in the grain boundary of between two ZnO grains. And the decrease of donor concentration on doping with $Sb_2O_3$ additive was attributed to the lowered capacitance in the grain boundary layer.

키워드

참고문헌

  1. M. R. Meshkatoddini, "Metal Oxide ZnO-Based Varistor Ceramics," INTECH published, Chap. 14, 2011
  2. H. Suzuki and R. C. Bradt, "Grain growth of ZnO in ZnO-$Bi_2O_3$ ceramics with $TiO_2$ additives, J. Am. ceramic society," Vol. 78(5), pp. 1354-1360, 1995 https://doi.org/10.1111/j.1151-2916.1995.tb08494.x
  3. J. Fan, R. Feer, "Improvement of the nonlinearity and degradation behavior of ZnO varistor," Br. Ceram. trans. Vol. 92(6), pp. 221-256, 1993
  4. T. Takemura et al, "Effects of Antimony Oxide on the Characteristics of ZnO Varistors," J. American ceramic society, Vol. 70, pp. 237-241, 1987 https://doi.org/10.1111/j.1151-2916.1987.tb04974.x
  5. T. senda and RC, Bradt, "Grain Growth of Zinc Oxide During the Sintering of Zinc Oxide - Antimony Oxide Ceramics," J. American ceramic society, Vol. 74, pp. 1296-1302, 1991 https://doi.org/10.1111/j.1151-2916.1991.tb04101.x
  6. J. kim, T. Kimura and T. Yamaguchi, "Sintering of Zinc Oxide Doped with Antimony Oxide and Bismuth Oxide", J. American ceramic society, Vol. 72, pp. 1390-1395, 1989 https://doi.org/10.1111/j.1151-2916.1989.tb07659.x
  7. K. Eda, A.Iga, M. Matsuoka, "Degradation mechanism of non-Ohmic zinc oxide ceramics," J. Appl. Phys. Vol. 51, pp. 2678-2679, 1980 https://doi.org/10.1063/1.327927
  8. K. tsuda, K. mukae and I. nagasawa, "Capacitance-vsvoltage characteristics of ZnO varistors," J. Appl. Phys. Vol. 50, pp. 4475-4476, 1979 https://doi.org/10.1063/1.326411
  9. W.G. Morris, "Physical properties of the electrical barriers in varistors," J. Vac. Sci. Tech. Vol. 13, pp. 926-928, 1976 https://doi.org/10.1116/1.569023