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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 6, Iss. 3 — Mar. 1, 1989
  • pp: 415–419

Variations in the far-infrared reflectivity of Ba2YCu3Ox

G. A. Thomas, M. Capizzi, T. Timusk, S. L. Cooper, J. Orenstein, D. Rapkine, S. Martin, L. F. Schneemeyer, and J. V. Waszczak  »View Author Affiliations


JOSA B, Vol. 6, Issue 3, pp. 415-419 (1989)
http://dx.doi.org/10.1364/JOSAB.6.000415


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Abstract

We present an empirical summary of the far-infrared reflectivity of 18 samples of Ba2YCu3Ox, with emphasis on 10 oriented, microtwinned crystals with x nominally near 7. The results vary among samples, indicating that further work will be necessary to identify the intrinsic behavior to our satisfaction. At this stage the general behavior allows us to rule out a constant relaxation rate for charge carriers and to make only general remarks concerning the superconducting energy gap.

© 1989 Optical Society of America

Citation
G. A. Thomas, M. Capizzi, T. Timusk, S. L. Cooper, J. Orenstein, D. Rapkine, S. Martin, L. F. Schneemeyer, and J. V. Waszczak, "Variations in the far-infrared reflectivity of Ba2YCu3Ox," J. Opt. Soc. Am. B 6, 415-419 (1989)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-6-3-415


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References

  1. L. F. Schneemeyer, J. V. Waszczak, T. Siegrist, R. B. van Dover, L. W. Rupp, B. Batlogg, R. J. Cava, and D. W. Murphy, Nature (London) 328, 601 (1987).
  2. L. F. Schneemeyer, E. M. Gyorgy, and J. V. Waszczak, Phys. Rev. B 36, 8804 (1987).
  3. A. T. Fiory, S. Martin, L. F. Schneemeyer, R. M. Fleming, A. E. White, and J. V. Waszczak, Phys. Rev. B 38, 7129 (1988).
  4. D. L. Rubin, K. Green, J. Gruschus, J. Kirchgessner, D. Moffat, H. Padamsee, J. Sears, Q. S. Shu, L. F. Schneemeyer, and J. V. Waszczak, Phys. Rev. B 38, 6538 (1988); A. T. Fiory, G. P. Espinosa, R. M. Fleming, G. S. Grader, M. Gurvitch, A. F. Hebard, R. E. Howard, J. R. Kwo, A. F. J. Levi, P. M. Mankiewich, S. Martin, C. E. Rice, L. F. Schneemeyer, and A. E. White, "Transport properties of high-Tc, superconductive oxides," presented at the Materials Research Society Symposium, Tokyo, 1988.
  5. G. A. Thomas, M. Capizzi, J. Orenstein, D. H. Rapkine, L. F. Schneemeyer, J. V. Waszczak, A. J. Millis, and R. N. Bhatt, Jpn. J. Appl. Phys. Suppl. 26–3, 2044 (1987).
  6. Z. Schlesinger, R. T. Collins, D. L. Kaiser, and F. Holtzberg, Phys. Rev. Lett. 59, 1958 (1987). No absolute R measurements below Tc in the far infrared are presented here. The feature reported here at 510 cm−1 does not reproduce in any of our results.
  7. Z. Schlesinger and R. T. Collins, IBM, Yorktown Heights, New York 10598 (personal communication, 1988).
  8. T. Timusk, D. A. Bonn, J. E. Greedan, C. V. Stager, J. D. Garrett, and A. H. O'Reilly, Physica C 153–155, 1744 (1988); T. Timusk, S. L. Herr, K. Kamarás, C. D. Porter, D. B. Tanner, D. A. Bonn, J. D. Garrett, J. E. Greedan, and M. Reedyk, Phys. Rev. B (to be published).
  9. G. A. Thomas, A. Millis, R. N. Bhatt, R. J. Cava, and E. A. Rietman, Phys. Rev. B 36, 736 (1987).
  10. J. Orenstein, G. A. Thomas, D. H. Rapkine, A. J. Millis, L. F. Schneemeyer, and J. V. Waszczak, Physica C 153–155, 1740 (1988).
  11. G. A. Thomas, J. Orenstein, D. H. Rapkine, M. Capizzi, A. J. Millis, R. N. Bhatt, L. F. Schneemeyer, and J. Waszczak, Phys. Rev. Lett. 61, 1313 (1988).
  12. G. A. Thomas, H. K. Ng, A. Millis, R. N. Bhatt, R. J. Cava, E. A. Rietman, D. Johnson, G. P. Espinosa, and J. M. Vandenberg, Phys. Rev. B 36, 846 (1987).
  13. For example, see also, D. A. Bonn, A. H. O'Reilly, J. E. Greedan, C. V. Stager, T. Timusk, K. Kamarás, and D. B. Tanner, Phys. Rev. B 37, 1574 (1988).
  14. G. A. Thomas, R. N. Bhatt, A. Millis, R. Cava, and E. Rietman, Jpn. J. Appl. Phys. Suppl. 26–3, 1001 (1987).

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