D.D. Awschalom, J.-M. Halbout
Journal of Magnetism and Magnetic Materials
We report the first infrared measurement of the superconducting energy gap of BaPb1-xBixO3. In our polycrystalline samples with Tc9.5 K (x0.2) we obtain 23.2kTc, roughly in agreement with the weak-coupling Bardeen-Cooper-Schrieffer prediction, 23.2kTc, and with tunneling measurements of the gap. We do not observe any structure above the gap energy associated with strong coupling. © 1988 The American Physical Society.
D.D. Awschalom, J.-M. Halbout
Journal of Magnetism and Magnetic Materials
S.F. Fan, W.B. Yun, et al.
Proceedings of SPIE 1989
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