Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
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Synthesis of Bi2(O,F)S2 superconductors by NaF treatment
Natsuumi TAKAHASHIMasanori NAGAOAkira MIURASatoshi WATAUCHIKiyoharu TADANAGAYoshihiko TAKANOIsao TANAKA
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2018 年 126 巻 7 号 p. 591-593

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The layered compound Bi2(O,F)S2 is synthesized by NaF treatment. Heat treatment of Bi2OS2 with different amounts of NaF powder at 400°C produces Bi2(O,F)S2 superconductors. NaF is low-cost and stable fluorination sources when it is compared with other sources. NaF treatment increased the a-axis of Bi2(O,F)S2. Maximum superconducting transition temperature of obtained Bi2(O,F)S2 is 4.7 K.

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© 2018 The Ceramic Society of Japan
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