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Content Provider | IEEE Xplore Digital Library |
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Author | Geballe, T. |
Copyright Year | 1965 |
Abstract | Improved methods of depositing thin film composites embodying transition metals have opened opportunities for finding out more about transition metal superconductors. Results from many research groups are reviewed. In order to reach higher transition temperatures with A-15 structures it will be necessary to synthesize them as ordered structures with more metastable compositions. An interesting dependence of the critical currents upon resistivity of A-15 superconductors has been found. Some indication of the temperature dependence of phase boundaries at low temperatures is discussed. The bottleneck in tunneling into transition metals due to the lack of well-behaved barriers has been broken. Superconducting tunneling spectroscopy has given new insights into the stability of high transition temperature superconductors with the A-15; an important role of impurity gases such as oxygen has been demonstrated. Composites consisting of very fine-scaled multilayered films can be synthesized and show crossover and other interesting behavior when the period is reduced below 50Å. |
Sponsorship | IEEE Magnetics Society |
Starting Page | 1300 |
Ending Page | 1307 |
Page Count | 8 |
File Size | 824991 |
File Format | |
ISSN | 00189464 |
Volume Number | 19 |
Issue Number | 3 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 1983-05-01 |
Publisher Place | U.S.A. |
Access Restriction | One Nation One Subscription (ONOS) |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Superconductivity Superconducting transition temperature Temperature dependence Tunneling Superconducting films Superconducting thin films Sputtering Metastasis Critical current Conductivity |
Content Type | Text |
Resource Type | Article |
Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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