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Oxygen diffusion in Y1Ba2Cu3O7-δ grains: An experimental study of ozone and oxygen annealing processes

Published online by Cambridge University Press:  31 January 2011

Yi Song ,
Xiao-Dong Chen ,
James R. Gaines  and
John W. Gilje
Yi Song
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
Xiao-Dong Chen
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
James R. Gaines
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
John W. Gilje
Affiliation:
Department of Chemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822
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Abstract

By monitoring the electrical resistivity of single phase polycrystalline Y1Ba2Cu3O7-δ samples while changing their oxygen content in both ozone and ordinary oxygen environments, we were able to investigate the correlation between their average oxygen content and the diffusion time for oxygen inside the grains. We model the resistivity time dependence as a two-step process and find that this explains our experimental results satisfactorily. From this model we are able to estimate a value of the oxygen diffusion coefficient from our data that agrees well with other measurements. We also conclude that while ozone and ordinary oxygen may have different effects in oxidizing the surface of grains, they show no observable differences in the oxygen diffusion process in the bulk Y1Ba2Cu3O7-δ material.

Type
Articles
Information
Journal of Materials Research , Volume 5 , Issue 1 , January 1990 , pp. 27 - 32
Copyright
Copyright © Materials Research Society 1990

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References

REFERENCES

1 Jorgensen, J.D., Beno, M.A., Hinks, D.G., Soderholm, L., Volin, K. J., Hitterman, R. L., Grace, J.D., Schuller, I.K., Segre, C.U., Zhang, K., and Kleefisch, M. S., Phys. Rev. B 36, 3608 (1987); Jorgensen, J. D., Veal, B.W., Kwok, W. K., Crabtree, G.W., Umezawa, A., Nowicki, L. J., and Paulikas, A. P., Phys. Rev. B 36, 5731 (1987).CrossRefGoogle Scholar
2 Song, Y., Golben, J. P., Chen, X. D., Gaines, J. R., Wong, M., and Kreidler, E., Phys. Rev. B 38, 2858 (1988).CrossRefGoogle Scholar
3 Berkley, D. D., Johnson, B. R., Anand, N., Bearchamp, K. M., Conroy, L. E., Goldman, A.M., Maps, J., Mauersberger, K., Mecartney, M.L., Morton, J., Tuominen, M., and Zhang, Y-J., Appl. Phys. Lett. 53, 1973 (1988).CrossRefGoogle Scholar
4 Tu, K. N., Yeh, N. C., Park, S. I., and Tsuei, C. C., Phys. Rev. B 39, 304 (1989).CrossRefGoogle Scholar
5 Chen, X. D., Lee, S.Y., Golben, J. P., Lee, S. I., McMichael, R. D., Song, Y., Noh, T.W., and Gaines, J. R., Rev. Sci. Instrum. 58, 1565 (1987).CrossRefGoogle Scholar
6 Song, Y., Golben, J. P., Lee, S. I., McMichael, R. D., Chen, X. D., and Gaines, J. R., in Novel Superconductivity, edited by Wolf, S. A. and Kresin, V. Z. (Plenum Press, New York, 1987), p. 969.CrossRefGoogle Scholar
7 Below, J. S., in Oxidation: techniques and applications in organic synthesis, edited by Augustine, R. L. (Marcel Dekker, Inc., New York, 1969), p. 259; L. S. Fieser and M. Fieser, in Reagents for Or-ganic Synthesis (John Wiley & Sons, Inc., New York, 1967), p. 773; L.I. Smith, F. L. Greenwood, and O. Hudrlik, in Organic Synthe-ses, edited by E. C. Horning (John Wiley & Sons, Inc., New York, 1955), p. 673.Google Scholar
8 Cava, R. J., Batlogg, B., Chen, C. H., Rietman, A., Zahurak, S. M., and Werder, D., Nature (London) 329, 423 (1987); M. Tokumoto, H. Ihara, T. Matsubara, M. Hirabayashi, N. Terada, H. Oyanagi, K. Murata, and Y. Kimura, Jpn. J. Appl. Phys. 26, L1565 (1987).CrossRefGoogle Scholar
9 Whangbo, M-H., Evain, M., Beno, M.A., Geiser, U., and Williams, J.M., Inorg. Chem. 27, 467 (1988).CrossRefGoogle Scholar
10 After the derivation of Eq. (7), an attempt was made to calculate the dependence of the effective electrical resistivity of a system with nonuniform distribution of oxygen content on the averaged oxygen content. We were unable to obtain a closed form result due to the complicated multiple integrals. We can only comment that for an annealing process with a moderately long time, Eq. (7) satisfactorily explains the experimental fit represented by Eq. (1).Google Scholar
11 This grain size represents an average grain size in these samples as determined by electron microscopy. The grains range in size from 1 μm to 5 μm.Google Scholar
12 Rothman, S. J., Routbort, J. L., Nowicki, L. J., Goretta, K. C., Thompson, L. J., Mundy, J. N., and Baker, J. E., to be published in Ma-terial Science Forum; and the references therein.Google Scholar