Far-infrared transmission of Bi2Sr2CaCu2O8 films

R. A. Hughes, T. Timusk, S. L. Cooper, G. A. Thomas, J. J. Yeh, M. Hong

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The far-infrared transmission spectra for high-conductivity Bi2Sr2CaCu2O8 films with the radiation polarized in the ab plane have been measured for temperatures above and below Tc. The normal-state properties show a Drude-like response. The transmission spectrum can be used to derive both the dc conductivity (90 1/4 cm at Tc) and the relaxation rate (165 cm-1 at Tc). If an energy gap at 3.5kTc or higher is assumed then the film is in the clean limit. In the superconducting state the transmission drops at low frequency but remains finite.

Original languageEnglish (US)
Pages (from-to)5162-5164
Number of pages3
JournalPhysical Review B
Volume40
Issue number7
DOIs
StatePublished - 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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