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Annealing Effect on Structure and Superconductivity in FeSr2YCu2O6+δ Magnetic Superconductor

✍ Scribed by Mochiku, T.; Hata, Y.; Yamaguchi, K.; Tsuchiya, Y.; Hoshikawa, A.; Iwase, K.; Sulistyanintyas, D.; Ishigaki, T.; Yasuoka, H.; Hirata, K.


Book ID
121711422
Publisher
Elsevier
Year
2013
Tongue
English
Weight
784 KB
Volume
45
Category
Article
ISSN
1875-3892

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FeSr 2 YCu 2 O 6+d with tetragonal Ba 2 YCu 3 O 6+d -type structure exhibits superconductivity around 60 K, only when it is annealed in reduced atmosphere and subsequently in oxidized atmosphere. However, FeSr 2 NdCu 2 O 6+d with the substitution of lanthanoid with large ionic radius for Y do not ex