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Proceedings Paper

Detailing of the "123" Raman continuum
Author(s): Francis Slakey; Miles V. Klein; D. Reznik; Joseph P. Rice; Don M. Ginsberg; Arvydas P. Paulikas; J. W. Downey; Boyd W. Veal
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Paper Abstract

Raman investigations on several of the high temperature superconductors have revealed an unusual background continuum. In the YBa2Cu3O' material ('123'), the continuum can be separated into two unique symmetries each having distinct normal state and superconducting state characteristics. To elucidate the intrinsic qualities of the normal state continuum we present Raman specira on '123' single crystals with critical temperatures in the range T =OK to T = 90K, and introduce a model which accurately describes the normal state temperature dependent trend of the response functions of Aig and Big symmetry for the 90K compound. To illustrate the superconducting state qualities, we present a comparison of the lowest temperature spectra for the 60K and 90K phases and show the temperature evolution of the Big spectra of the 60K sample.

Paper Details

Date Published: 1 November 1990
PDF: 7 pages
Proc. SPIE 1336, Raman and Luminescence Spectroscopies in Technology II, (1 November 1990); doi: 10.1117/12.22898
Show Author Affiliations
Francis Slakey, Univ. of Illinois/Urbana-Champaign (United States)
Miles V. Klein, Univ. of Illinois/Urbana-Champaign (United States)
D. Reznik, Univ. of Illinois/Urbana-Champaign (United States)
Joseph P. Rice, Univ. of Illinois/Urbana-Champaign (United States)
Don M. Ginsberg, Univ. of Illinois/Urbana-Champaign (United States)
Arvydas P. Paulikas, Argonne National Lab. (United States)
J. W. Downey, Argonne National Lab. (United States)
Boyd W. Veal, Argonne National Lab. (United States)

Published in SPIE Proceedings Vol. 1336:
Raman and Luminescence Spectroscopies in Technology II
Fran Adar; James E. Griffiths, Editor(s)

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