TY - JOUR
T1 - Far-infrared transmission spectra of high Tc (Y0.6Ba0.4)2CuO4-y superconductors
AU - Vuong, T. H.H.
AU - Tsui, D. C.
AU - Goldman, V. J.
AU - Hor, P. H.
AU - Meng, R. L.
AU - Chu, C. W.
PY - 1987/8
Y1 - 1987/8
N2 - We have measured the far-infrared transmission spectra of two samples of the YBaCuO superconductor which have transition temperatures of 98K and 86K respectively. Both samples showed absorption peaks at 110 cm-1, 141 cm-1, 173 cm-1, 209 cm-1, 234 cm-1, 273 cm-1, and 328 cm-1, in the frequency range of 50 - 340 cm-1, in both the normal and the superconducting states. The peak frequencies did not vary with temperature. The linewidths were smaller for the sample with Tc = 98 K. For one sample it was estimated from the temperature dependence of the transmission spectra that the superconducting energy gap was 2δ ≅ 3.3 kTc.
AB - We have measured the far-infrared transmission spectra of two samples of the YBaCuO superconductor which have transition temperatures of 98K and 86K respectively. Both samples showed absorption peaks at 110 cm-1, 141 cm-1, 173 cm-1, 209 cm-1, 234 cm-1, 273 cm-1, and 328 cm-1, in the frequency range of 50 - 340 cm-1, in both the normal and the superconducting states. The peak frequencies did not vary with temperature. The linewidths were smaller for the sample with Tc = 98 K. For one sample it was estimated from the temperature dependence of the transmission spectra that the superconducting energy gap was 2δ ≅ 3.3 kTc.
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U2 - 10.1016/0038-1098(87)90284-5
DO - 10.1016/0038-1098(87)90284-5
M3 - Article
AN - SCOPUS:0023398156
SN - 0038-1098
VL - 63
SP - 525
EP - 529
JO - Solid State Communications
JF - Solid State Communications
IS - 6
ER -