Superconductivity in some new metastable film phases
- 1 January 1974
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 45 (1), 446-451
- https://doi.org/10.1063/1.1663000
Abstract
The occurrence of new metallurgical phases and enhanced superconductivity in a number of sputtered transition‐metal alloy films has been studied as a function of substrate temperature during deposition. Results indicate that such new phases are readily produced in the temperature range 200–1000°C by this technique and that these new phases are accompanied by marked changes in the superconducting transition temperature. The findings show how easily the more complex transition‐metal alloys, particularly σ phase, can be modified at low temperatures, and demonstrate the importance of structural instability, vis‐à‐vis composition, in determining the superconducting transition temperature.Keywords
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