Hostname: page-component-78c5997874-ndw9j Total loading time: 0 Render date: 2024-11-05T02:36:06.903Z Has data issue: false hasContentIssue false
  • English
  • Français

Synthesis and Sintering of (K,Na)NbO3 Based Ceramics

Published online by Cambridge University Press:  11 February 2011

Barbara Malic ,
Darja Jenko ,
Janez Bernard ,
Jena Cilensek  and
Marija Kosec
Barbara Malic
Affiliation:
Jozef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
Darja Jenko
Affiliation:
Jozef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
Janez Bernard
Affiliation:
Jozef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
Jena Cilensek
Affiliation:
Jozef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
Marija Kosec
Affiliation:
Jozef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
Get access

Abstract

Stoichiometric K0.5Na0.5NbO3 solid solution(KNN) was prepared by solid-state synthesis from alkaline carbonates and niobium oxide. Thermal decomposition of the powder mixture occurs upon heating to 700 °C followed by crystallization of the perovskite phase. After sintering at 1100 °C, 2h the stoichiometric KNN reaches 94 % of theoretical density. Dielectric constant of stoichiometric KNN is 620, and the losses 0.03.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 755: Symposium DD – Solid-State Chemistry of Inorganic Materials IV , 2002 , DD4.4
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

Jaffe, B., Cook, W. R. Jr, Jaffe, H., Piezoelectric Ceramics, (Academic Press, London, New York, 1971) pp 185–212.Google Scholar
2. Egerton, L., Bieling, C A., J. Am. Ceram Soc. 45 [5], 209 (1962).Google Scholar
3. Egerton, L., Bieling, C. A., Ceram. Bull. 47 [12], 1151 (1968).Google Scholar
4. Kosec, M., Kolar, D., Mat. Res. Bull. 10, 335 (1975).Google Scholar
5. Malič, B., Jenko, D., Starowicz, M., Bernard, J., Kosec, M., in MIDEM Conf. 2002 Proc, edited by Kosec, M., Belavič, D., Šorli, I., (MIDEM, Ljubljana, 2002) pp. 89 -94.Google Scholar
6. Gmelins Handbuch der anorganischen Chemie, (Verlag Chemie, Weinheim, 1969) 22: K, pp. 834–845.Google Scholar
7. Gmelins Handbuch der anorganischen Chemie, (Verlag Chemie, Weinheim, 1969) 21: Na, 1317–1331.Google Scholar
8. JCPDS-ICDD 71–0946 (1999).Google Scholar
9. JCPDS-ICDD 82–0606 (1999).Google Scholar
10. Reisman, A., Holtzberg, F., J. Am. Chem. Soc. 77, 2115 (1955).Google Scholar
11. Irle, E., Blachnik, R., ThermochimicaActa 185, 355 (1991).Google Scholar
12. Shafer, M. W., Roy, R., J. Am. Ceram Soc. 42 [10], 482 (1959).Google Scholar
13. Irle, E., Blachnik, R., Gather, B., Thermochimica Acta 179, 157 (1991).Google Scholar
14. Tennery, V. J., Hang, K. W., J. Appl. Phys. 39 [10], 4749 (1968).Google Scholar
15. Ahn, Z. S., Schulze, W. A., J. Am. Ceram Soc. 70, C18 (1987).Google Scholar
16. Singh, K., Lingwal, V., Bhatt, S. C., Panwar, N. S., Semwal, B. S., Mater. Res. Bull. 36, 2365 (2001).Google Scholar
17. Egerton, L., Dillon, D. M., J. Am. Ceram Soc. 42 [9], 438 (1959).Google Scholar