Transition-temperature oscillations in thin superconducting films

B. G. Orr, H. M. Jaeger, A. M. Goldman

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Ultrathin films of Sn have been grown incrementally on substrates held at 15 K and then studied in situ at low temperatures. This process of repeatedly increasing the thickness of a film facilitates the investigation of thickness-dependent physical properties. The superconducting transition temperature has been found to oscillate with a period which was nominally about 4. The latter is approximately a factor of 2 larger than the prediction of simple theoretical models. Oscillations of the normal-state resistance with thickness have not been observed.

Original languageEnglish (US)
Pages (from-to)2046-2049
Number of pages4
JournalPhysical Review Letters
Issue number21
StatePublished - Jan 1 1984


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