Proximity effects in quench-condensed granular superconductors and ferromagnets

A. Frydman, L. M. Merchant, R. C. Dynes

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We report on a study of proximity effects in quench-condensed superconducting (Pb) and ferro-magnetic (Ni) granular films in which we are able to deposit sequential layers of material and measure transport and magnetoresistance properties in-situ for different degrees of material coverage. We find that adding a normal (non-superconducting or non-ferromagnetic) overlayer to isolated Pb or Ni grains enhances long-range order in the film. We interpret these results as being due to proximity effects where the grains are coupled via the weak order-parameter induced in the overlayer material.

Original languageEnglish
Pages (from-to)173-176
Number of pages4
JournalPhysica Status Solidi (B): Basic Research
Issue number1
StatePublished - Mar 2000


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