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, J. V. Waszczak

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


We present an empirical summary of the far-infrared reflectivity of 18 samples of Ba 2YCu3Ox, 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.

Original languageEnglish (US)
Pages (from-to)415-419
Number of pages5
JournalJournal of the Optical Society of America B: Optical Physics
Issue number3
StatePublished - Mar 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics


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