Skip to main content
Log in

Electrotransport in a coherent metal-hydrogen system

  • Original Contributions
  • Published:
Zeitschrift für Physik B Condensed Matter

Abstract

The growth and decay kinetics of macroscopic hydrogen density modes in single crystals of niobium excited by an applied electric field was measured. The samples were prepared in-situ as to prevent incoherent precipitations. At a low hydrogen concentration (c=0.04 H/Nb) the diffusion coefficient and the effective charge agree well with results from experiments using polycrystalline samples. At a high hydrogen concentration (c=0.28 H/Nb) the electrotransport experiments could be extended into the unstable region of the incoherent phase diagram. The spinodal temperature obtained from the concentration amplitude (350±12 K) is significantly lower than the incoherent spinodal temperature. Important difficulties in evaluating electrotransport experiments at high hydrogen concentrations are discussed.

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

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Alefeld, G.: Phys. Status Solidi32, 67 (1969)

    Google Scholar 

  2. Wagner, H., Horner, H.: Adv. Phys.23, 587 (1974)

    Google Scholar 

  3. Bauer, H.C., Völkl, J., Tretkowski, J., Alefeld, G.: Z. Phys. B-Condensed Matter29, 17 (1978)

    Google Scholar 

  4. Zabel, H., Peisl, H.: Acta Metallogr.28, 589 (1980)

    Google Scholar 

  5. Wipf, H.: In: Hydrogen in Metals II. Topics in Applied Physics. Alefeld, G., Völkl, J. (eds.). Vol. 29. Berlin, Heidelberg, New York: Springer 1978

    Google Scholar 

  6. Maier-Bötzel, H., Platzer, W., Wagner, H.: Phys. Rev. B27 5173 (1983)

    Google Scholar 

  7. Bausch, R., Horner, H., Wagner, H.: J. Phys. C8, 2559 (1975)

    Google Scholar 

  8. Baier, Th., Wagner, H.: Z. Phys. B-Condensed Matter,78, 81 (1990)

    Google Scholar 

  9. Janssen, H.K.: Z. Phys. B-Condensed Matter23, 245 (1976)

    Google Scholar 

  10. Maier, W., Wipf, H.: Z. Phys. Chem. NF115, 129 (1979)

    Google Scholar 

  11. Erckmann, V., Wipf, H.: Phys. Rev. Lett.37, 341 (1976)

    Google Scholar 

  12. Verbruggen, A.H., Griessen, R.: Phys. Rev. B32, 1426 (1985)

    Google Scholar 

  13. Maier-Bötzel, H. Private communication

  14. Mauger, P.E., Williams, W.D., Cotts, R.M.: J. Phys. Chem. Solids42, 821 (1981)

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Fenzl, W., Göttler, G., Schuppler, S. et al. Electrotransport in a coherent metal-hydrogen system. Z. Physik B - Condensed Matter 84, 229–235 (1991). https://doi.org/10.1007/BF01313541

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF01313541

Keywords

Navigation