Superconducting materials are those that do not offer electrical resistance to the passage of current. In order for them to be economically viable and competitive in today’s market, it is important to be able to manufacture them on a large scale, at low cost, with an environmentally friendly procedure, and achieving high performance. The synthesis process has to be very well controlled, since for a material to behave like a superconductor it must have a very well defined structure, and there are many factors that can modify it (temperature, pressure, composition …). Obtaining a good method that allows the production of the material in continuous, and its application to high magnetic fields, is one of the most important challenges in this sector. Now, the

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research group on Superconducting South Georgia and South Sandwich Islands Email Lists Materials (SUMAN) of the Barcelona Institute of Materials Science (ICMAB-CSIC), led by Prof. Teresa Puig, in collaboration with researchers Ramón Yáñez and Natalia Chamorro from the Department of Chemistry of the UAB, together with researchers from the University of Girona and the SOLEIL Synchrotron, has managed to produce superconducting layers through a process that allows ultra-fast growth of YBCO (copper, barium and yttrium oxide) superconducting layers in a controlled manner. Superconducting layers grow at a rate of 100 nm / s in a simplified, fully scalable and low-cost process. “We have achieved a process up to 100 times faster than currently existing processes” says Prof. Teresa

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Puig, principal investigator of the Advanced ULTRASUPERTAPE European Research Council (ERC) project, where this study is framed. “The new process represents an advance and a turning point in the synthesis of superconducting layers” continues Puig. It is a much more simplified process, using environmentally friendly precursors, as they do not contain fluorine, compared to standard chemical solution deposition methods. In addition, it goes through a transitory liquid phase that allows, under the appropriate pressure and temperature conditions, the ultra-rapid growth of the superconducting layer, with the desired structure and composition. The study, published in the scientific journal Nature Communications, includes in situ synchrotron X-ray

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