Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-28T00:54:32.986Z Has data issue: false hasContentIssue false
  • English
  • Français

Preparation of BaTiO3/SrTiO3 composite dielectric ceramics with a flat temperature dependence of permittivity

Published online by Cambridge University Press:  31 January 2011

Tomonari Takeuchi  and
Hiroyuki Kageyama
Tomonari Takeuchi
Affiliation:
National Institute of Advanced Industrial Science and Technology, AIST, Midorigaoka 1–8–31, Ikeda, Osaka 563–8577, Japan
Hiroyuki Kageyama
Affiliation:
National Institute of Advanced Industrial Science and Technology, AIST, Midorigaoka 1–8–31, Ikeda, Osaka 563–8577, Japan
Get access

Abstract

Composite dielectric ceramics of BaTiO3/SrTiO3 were prepared using the spark plasma sintering (SPS) method. Relatively dense (>92% of the theoretical x-ray density) composite ceramics were obtained for a relatively short sintering time (∼3 min). Such a short sintering time was advantageous in suppressing the formation of a complete solid solution (Ba, Sr)TiO3. Fixed-frequency (100 kHz), room-temperature permittivity measurements of the BaTiO3/SrTiO3 = 9/1 composites showed a flat temperature dependence within the range 30–110 °C. X-ray diffractometry measurements showed that the current SPS-BaTiO3/SrTiO3 composites consisted of BaTiO3 and small amounts of (Ba1−xSrx)TiO3 with various x values having different phase transition temperatures. Such multicomponent microstructures would be responsible for the flat temperature dependence of permittivity.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 8 , August 2003 , pp. 1809 - 1815
Copyright
Copyright © Materials Research Society 2003

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Nowotny, J. and Rekas, M., Key Eng. Mater. 66/67, 45 (1992).CrossRefGoogle Scholar
Haertling, G.H., J. Am. Ceram. Soc. 82, 797 (1999).CrossRefGoogle Scholar
Weber, U., Greuel, G., Boettger, U., Weber, S., Hennings, D., and Waser, R., J. Am. Ceram. Soc. 84, 759 (2001).CrossRefGoogle Scholar
Baek, J-G., Gomi, K., Isobe, T., and Senna, M., Mater. Sci. Eng. B 49, 46 (1997).CrossRefGoogle Scholar
Ota, T., Fukaya, T., Ikeda, N., Hikichi, Y., Unuma, H., Takahashi, M., and Suzuki, H., J. Ceram. Soc. Jpn. 106, 119 (1998).CrossRefGoogle Scholar
Fujii, T., Nakamura, R., and Ito, S., J. Jpn. Soc. Powder Powder Metall. 47, 1210 (2000).CrossRefGoogle Scholar
Ota, T., Abe, Y., Hirashita, T., Miyazaki, H., Hikichi, Y., and Suzuki, H., J. Ceram. Soc. Jpn. 109, 174 (2001).CrossRefGoogle Scholar
Ota, T., Fujita, J., Kimura, S., Mizutani, M., Hikichi, Y., Miyazaki, Y., and Suzuki, H., J. Ceram. Soc. Jpn. 110, 826 (2002).CrossRefGoogle Scholar
Tokita, M., J. Soc. Powder Technol. Jpn. 30, 790 (1993).CrossRefGoogle Scholar
Takeuchi, T., Tabuchi, M., Kageyama, H., and Suyama, Y., J. Am. Ceram. Soc. 82, 939 (1999).CrossRefGoogle Scholar
Takeuchi, T., Be´tourne´, E., Tabuchi, M., Kageyama, H., Kobayashi, Y., Coats, A., Morrison, F., Sinclair, D.C., West, A.R., J. Mater. Sci. 34, 917 (1999).CrossRefGoogle Scholar
Takeuchi, T., Suyama, Y., Sinclair, D.C., and Kageyama, H., J. Mater. Sci. 36, 2329 (2001).CrossRefGoogle Scholar
Takeuchi, T., Capiglia, C., Balakrishnan, N., Takeda, Y., and Kageyama, H., J. Mater. Res. 17, 575 (2002).CrossRefGoogle Scholar
Landolt-Bo¨rnstein: Numerical Data and Functional Relationships in Science and Technology, Group III, Vol. 16a, edited by Hellwege, K-H. and Hellwege, A.M. (Springer-Verlag, Berlin-Heidelberg, 1981).Google Scholar
Hirose, N. and West, A.R., J. Am. Ceram. Soc. 79, 1633 (1996).CrossRefGoogle Scholar
Kuo, S-Y., Liao, W-Y., and Hsieh, W-F., Phys. Rev. B, Condens. Matter 64, 224103 (2001).CrossRefGoogle Scholar
Freire, J.D. and Katiyar, R.S., Phys. Rev. B, Condens. Matter 37, 2074 (1988).CrossRefGoogle Scholar
Naik, R., Nazarko, J.J., Flattery, C.S., Venkateswaran, U.D., Naik, V.M., Mohammed, M.S., Auner, G.W., Mantese, J.V., Schubring, N.W., Micheli, A.L., and Catalan, A.B., Phys. Rev. B, Condens. Matter 61, 11367 (2000).CrossRefGoogle Scholar
Frey, M.H. and Payne, D.A., Phys. Rev. B, Condens. Matter 54, 3158 (1996).CrossRefGoogle Scholar
Perry, C.H. and Hall, D.B., Phys. Rev. Lett. 15, 700 (1965).CrossRefGoogle Scholar