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Raman scattering investigation of the superconducting gap anisotropy in La2−xSrxCuO4 (1995)

Irwin, J. C. ; Chen, X. K. ; Trodahl, H. J. ; [weitere]

Springer

Journal of superconductivity 8 (1995), S. 495-498

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Details

ISSN: 1572-9605

Schlagwort(e): Raman Scattering high-temperature superconductor ; superconducting gap

Quelle: Springer Online Journal Archives 1860-2000

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik

Notizen: Abstract The low energy electronic Raman continua of a La1.83Sr0.17CuO4 single crystal have been obtained in several different scattering geometries, and for temperatures above and below Tc. Based upon the polarization dependence of the spectra obtained for T ≤ Tc it is concluded that the superconducting gap is anisotropic with nodes located near the (±1,±1) directions in reciprocal space and maxima close to the kx and ky axes. The results are compared to spectra obtained from other high-Tc compounds and the possible compatibility of the results with particular gap functions is discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00722839

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