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Electrophoretic Route to Bi2Sr2CaCu2O8+y Films and Microfibers from Superconducting Colloids

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  • This work is financially supported by the Ministry of Science and Technology (NRL project), the Ministry of Education (BK 21 program), and partly by a grant from the ETEP institute in Korea Electric Power Research Institute (KEPRI). Supporting Information is available online from Wiley InterScience or from the author.

Abstract

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Superconducting colloids produced by exfoliation of Bi-based compounds with high superconducting transition temperatures (high-Tcs) can be used as precursors to synthesize superconducting films and nanowires by a simple electrophoretic-deposition technique. Organic-salt intercalates of Bi2Sr2CaCu2O8+y, exfoliated by ultrasonication in acetone, can easily be used to coat silver microfibers (see Figure). These results may be significant for high-Tc superconducting film/wire fabrication.

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