Modern preparation methods of oriented thick films of superconducting cupratesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Modern trends in the development of methods of manufacturing, biaxially textured large-grained coatings similar to100 mum thick based on superconducting rare-earth-barium cuprate elements, as well as bismuth-containing high-temperature superconductors, are considered. It is shown that the formation of a symmetric artificial surface relief makes it possible to control the mutual orientation of crystallites on polycrystalline metal substrates with high efficiency. In this case, the fraction of superconductor crystallites with an angle of mutual misorientation <5% may be as high as 75-90%. The high efficiency of this method of forming oriented films of multicomponent oxide phases indicates that it can be used to fabricate new-generation superconducting composite materials. (C) 2004 MAN "Nauka/Interperiodica".