Abstract
MEASUREMENTS of the high-frequency resistance of superconducting tin, extending previous work1 at 1,200 Mc./s., have now been carried out at frequencies around 9,200 Mc./s. (wave-length 3.2 cm.). The experimental technique is in principle the same as at 1,200 Mc./s., with the twin-wire resonator replaced by a half-wave coaxial resonator. The variation of the resistivity, R, with temperature is shown in the accompanying graph, together with the results of the earlier measurements for comparison. For convenience, R is expressed in terms of the resistivity, Rn, of normal tin just above the transition temperature. The experimental points plotted are those taken with one of the five specimens actually measured; the points for the other specimens are in close agreement.
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References
Pippard, A. B., Proc. Roy. Soc., A, 191, 370 (1947).
See, for example, London, H., Proc. Roy. Soc., A, 176, 522 (1940).
Pippard, A. B., Proc. Roy. Soc., A, 191, 385 (1947). Reuter, G. E. H., and Sondheimer, E. H., Nature, 161, 394 (1948).
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PIPPARD, A. High-Frequency Resistance of Superconductors. Nature 162, 68–69 (1948). https://doi.org/10.1038/162068a0
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DOI: https://doi.org/10.1038/162068a0
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