Detailing of the "123" Raman continuum

Francis Slakey; Miles V. Klein; D. Reznik; Joseph P. Rice; Don M. Ginsberg; Arvydas P. Paulikas; J. W. Downey; Boyd W. Veal

doi:10.1117/12.22898

1 November 1990 Detailing of the "123" Raman continuum

Francis Slakey, Miles V. Klein, D. Reznik, Joseph P. Rice, Don M. Ginsberg, Arvydas P. Paulikas, J. W. Downey, Boyd W. Veal

Author Affiliations +

Proceedings Volume 1336, Raman and Luminescence Spectroscopies in Technology II; (1990) https://doi.org/10.1117/12.22898
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

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.

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Francis Slakey, Miles V. Klein, D. Reznik, Joseph P. Rice, Don M. Ginsberg, Arvydas P. Paulikas, J. W. Downey, and Boyd W. Veal "Detailing of the "123" Raman continuum", Proc. SPIE 1336, Raman and Luminescence Spectroscopies in Technology II, (1 November 1990); https://doi.org/10.1117/12.22898

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