TY - JOUR
T1 - Superconducting Gap in [Formula presented]
T2 - Electronic Raman Scattering Measurements of Single Crystals
AU - Quilty, J. W.
AU - Lee, S.
AU - Yamamoto, A.
AU - Tajima, S.
PY - 2002
Y1 - 2002
N2 - Polarization-resolved Raman scattering measurements were performed on [Formula presented] single crystals to determine the magnitude, symmetry, and temperature dependence of the superconducting gap. A single sharp peak due to Cooper pair breaking appears in the electronic continuum below [Formula presented], reaching a maximum Raman shift of [Formula presented] [Formula presented] and showing up to [Formula presented] anisotropy between polarized and depolarized spectra. The temperature dependence of [Formula presented] follows that predicted from BCS theory, while the anisotropy decreases with decreasing temperature. It is concluded that the Raman results are consistent with a slightly anisotropic [Formula presented]-wave gap in a conventional BCS superconductor.
AB - Polarization-resolved Raman scattering measurements were performed on [Formula presented] single crystals to determine the magnitude, symmetry, and temperature dependence of the superconducting gap. A single sharp peak due to Cooper pair breaking appears in the electronic continuum below [Formula presented], reaching a maximum Raman shift of [Formula presented] [Formula presented] and showing up to [Formula presented] anisotropy between polarized and depolarized spectra. The temperature dependence of [Formula presented] follows that predicted from BCS theory, while the anisotropy decreases with decreasing temperature. It is concluded that the Raman results are consistent with a slightly anisotropic [Formula presented]-wave gap in a conventional BCS superconductor.
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U2 - 10.1103/PhysRevLett.88.087001
DO - 10.1103/PhysRevLett.88.087001
M3 - Article
AN - SCOPUS:85038288637
SN - 0031-9007
VL - 88
SP - 4
JO - Physical Review Letters
JF - Physical Review Letters
IS - 8
ER -