Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Dielectric properties of BaTi4O9 single crystals

  • 49 Accesses

  • 6 Citations

Abstract

The barium tetratitanate (BaTi4O9) single crystals grown in a nitrogen gas by the floating zone method was characterized by dielectric property in the frequency range 1 kHz to 1 MHz. The as-grown crystals had an electric behaviour such as shown by a semiconductor. When the crystals were annealed at 1300° C for 5 h in air, the dielectric constant was independent of the frequencies and was anisotropic, and theQ-value became higher than that of the grown crystals. Further, from electron spin resonance measurements it was found that the as-grown crystals contained the Ti3+ ion. This seems to suggest that the electrical conductivity of the as-grown crystals is due to the Ti3+-Ti4+ hopping mechanism.

This is a preview of subscription content, log in to check access.

References

  1. 1.

    D. E. Rase andR. Roy,J. Amer. Ceram. Soc. 38 (1955) 102.

  2. 2.

    T. Negas, R. S. Roth, H. S. Parker andD. Minor,J. Solid State Chem. 9 (1974) 297.

  3. 3.

    H. M. O'bryan andJ. Thomson,J. Amer Ceram. Soc. 57 (1974) 522.

  4. 4.

    Idem, ibid. 66 (1983) 66.

  5. 5.

    D. J. Massé, R. A. Pucel, D. W. Readey, E.A. Maguire andC. P. Hartwig,Proc. IEEE 59 (1971) 1928.

  6. 6.

    H. M. O'bryan, J. Thomson andJ. K. Plourde,J. Amer. Ceram Soc. 57 (1974) 450.

  7. 7.

    J. K. Plourde, D. F. Linn, H. M. O'bryan andJ. Thomsom,ibid. 58 (1975) 418.

  8. 8.

    E. N. Bunting, G. R. Shelton andA.S. Creamer,ibid. 30 (1947) 114.

  9. 9.

    G. R. Shelton, A. S. Creamer andE. N. Bunting,ibid. 31 (1948) 205.

  10. 10.

    G. H. Jonker andW. Kwestroo,ibid. 41 (1958) 390.

  11. 11.

    W. Kwestroo andH. A. M. Paping,ibid. 42 (1959) 292.

  12. 12.

    I. Tanaka, H. Kojima andF. Sudo,J. Crystal Growth 76 (1986) 311.

  13. 13.

    T. Takeda andA. Watanabe,J. Phys. Soc. Jpn 21 (1966) 267.

  14. 14.

    M. Tsukioka, J. Tanaka, Y. Miyazawa, Y. Mori, H. Kojima andS. Ehara,Solid State Commun. 32 (1979) 223.

  15. 15.

    P. F. Chester,J. Appl. Phys. 32 (1961) 2233.

  16. 16.

    V. V. Antuf'ev, Y. V. Vasil'ev, M. P. Votinov, O. K. Kharitonova andE. V. Kharitonov,Sov. Phys. Solid Stale 4 (1962) 1099.

  17. 17.

    L. S. Kornienko andA. M. Prokhorov,Sov. Phys. JETP 11 (1960) 1189.

Download references

Author information

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Tanaka, I., Kojima, H. Dielectric properties of BaTi4O9 single crystals. J Mater Sci 24, 959–962 (1989). https://doi.org/10.1007/BF01148784

Download citation

Keywords

  • Nitrogen
  • Polymer
  • Electrical Conductivity
  • Dielectric Constant
  • Barium