Researchers at the Universitat Autònoma de Barcelona, the Materials Science Institute of Barcelona (ICMAB-CSIC), and various German and North American institutions have developed a simple method for measuring the maximum current that coated superconductors can carry. The material will, most likely, be used to manufacture the superconductor wires of the future. The research has been published in the journal, Applied Physics Letters.
Electric currents pass through superconductor materials without resistance, which is a property with many technological applications, but this is only possible when the materials are cooled below a certain temperature and when the current does not exceed a certain value.
The superconductor materials that will, most likely, be used for wires that transport electric energy are called coated conductors. They are formed by the deposition of a film of high-temperature superconductor material on a metallic band. The main advantage with respect to other types of superconductors is that they allow large quantities of electric current to move through them without the need for excessive cooling, yet they keep their superconductor qualities. This makes possible, among other things, the generating of highly intense magnetic fields with lighter superconductors and the transmission of electric current with minimum losses.
Octavi López Coronado | alfa
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