Research Article
An Analysis of Strong Coupling in the High Tc Superconductors
Table 3
HTSC data for the McMillan-Hopfield parameter.
| | | ExTc | 2Tc | | | | |
| | 2Tl () | 125 | 67.6 | 59.6 | 1253.2 | 49.3 | 4.9 | | 2Tl () | 107 | 57.9 | 65.2 | 1122.3 | 38.4 | 3.9 | | 2Tl () | 80 | 43.3 | 76.6 | 900.0 | 25.9 | 2.8 | | Y123 | 92 | 49.8 | 51.2 | 936.4 | 22.6 | 3.5 | | 2Bi () | 89 | 48.2 | 59.2 | 795.4 | 21.6 | 3.4 | | Nd () | 84 | 45.5 | 53.5 | 912 | 20.3 | 3.1 | | La () | 40 | 21.7 | 56.8 | 501.8 | 6.7 | 1.75 | | Nb3Sn | 18 | 9.75 | 99.3 | 357.2 | 7.9 | 1.67 | | Pb | 7.2 | 3.9 | 207 | 31.4 | 2.4 | 1.55 |
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