Superconducting gap observed in Raman spectra of Bi2Sr2CaCu2O8+x |
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| Authors: | O V Misochko |
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| Institution: | (1) Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia |
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| Abstract: | Investigation of the temperature behavior of electronic Raman scattering in Bi2Sr2CaCu2O8+x
superconducting crystals indicates the frequency of the mode whose spectral position is customarily used to derive the width
of the superconducting gap to be only weakly temperature dependent. Measurements carried out under different resonance conditions
can be interpreted as due to spatial dispersion of the superconducting gap.
Fiz. Tverd. Tela (St. Petersburg) 40, 998–1001 (June 1998) |
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