Abstract
A model is proposed to explain observations on electric breakdown of BaTiO3 ceramics: Ceramics made by usual sintering technique contains TiO2-rich intermediate layers between the grains of the polycrystalline structure. Field inhomogeneities are shown to result, with the field enhanced by factors of up to 100 or more in places. The very high field strength ensueing when the applied test voltage approaches its breakdown value causes inner field emission, with currents abruptly rising to very high values and thermally destroying the sample at once.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
E. A. Konorova, V. V. Krasnopevtsev, G. I. Skanavi: Bull. Acad. Sci. USSR — Phys. Series22, 410 (1958)
P. H. Fang, W. S. Brower: Phys. Rev.113, 456 (1959)
S. V. Bogdanov: Sov. Phys. — Solid State4, 1596 (1963)
I. Ueda, M. Takiuchi, S. Ikegami, H. Sato: J. Phys. Soc. Japan19, 1267 (1964)
K. D. Schomann: Thesis Univ. Karlsruhe (1974)
K. D. Schomann, to be published
J. J. O'Dwyer:The Theory of Dielectric Breakdown of Solids (Clarendon Press, Oxford 1964)
J. J. O'Dwyer: J. Phys. Chem. Solids28, 1137 (1967)
H. S. Carslaw, J. C. Jaeger:Heat Conduction in Solids, 2nd ed. (Clarendon Press, Oxford 1959) Chap. 10
Y. Inuishi, S. Uematsu: J. Phys. Soc. Japan13, 761 (1958)
A. Branwood, J. D. Hurd, R. H. Tredgold: Brit. J. Appl. Phys.13, 528 (1962)
K. Kawabe, S. Uematsu, Y. Inuishi: Electrical Engg. Japan84, 45 (1964)
C. T. Morse, G. J. Hill: Proc. Brit. Ceram. Soc.18, 23 (1970)
R. Gerson, T. C. Marshall: J. Appl. Phys.30, 1650 (1959)
H. C. Graham, N. M. Tallan, K. S. Mazdyasni: J. Am. Ceram. Soc.54, 548 (1971)
H. Rehme: Z. Angew. Phys.29, 173 (1970)
D. E. Rase, R. Roy: J. Am. Ceram. Soc.38, 102 (1955)
H. Sachse:Ferroelektrika (Springer-Verlag Berlin, Göttingen, Heidelberg 1956) p. 27
B. Hoffmann: Solid State Electr.16, 623 (1973)
W. Heywang: Solid State Electr.3, 51 (1961)
W. Schottky: Z. Physik14, 77 (1923)
W. Franz: InHandbuch der Physik, Vol. XVII (Springer-Verlag Berlin, Göttingen, Heidelberg 1956) pp. 242
W. Franz: InHandbuch der Physik, Vol. XVII (Springer-Verlag Berlin, Göttingen, Heidelberg 1956) p. 217
W. Franz: InHandbuch der Physik, Vol. XVII (Springer-Verlag Berlin, Göttingen, Heidelberg 1956) pp. 244
P. Schulz:Elektronische Vorgänge in Gasen und Festkörpern (G. Braun, Karlsruhe 1968) p. 403
K. H. Härdtl: J. Am. Ceram. Soc. Bull. (to be published)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Schomann, K.D. Electric breakdown of barium titanate: A model. Appl. Phys. 6, 89–92 (1975). https://doi.org/10.1007/BF00883554
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00883554