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Influence of KClO3 Addition on the Magnetic Properties and Microstructural Morphology of Y(1−0.2x)Ba(2−0.2x)KxCu3Oy (x = 0 ÷ 0.40) Polycrystalline HTSC

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Abstract

The influence of KclO 3 addition on the AC complex susceptibility (χac) and microstructural morphology of YBCO HTSC with nominal composition Y (1−0.2x) Ba (2−0.2x) K x Cu 3 O y (x = 0 ÷ 0.40) were investigated. Xac was recorded as a function of temperature and of the concentration of KClO 3 in various AC magnetic fields up to 19 Oe. The data were analyzed using the relation h = a(1 − T m /T c ) n . The results obtained showed that the presence of K- and Cl-containing impurities on the grain boundaries change the intergranular coupling and, within certain concentration limits, improves the superconducting parameters.

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Authors and Affiliations

  1. Division 3, Superconductivity Research Laboratory/ISTEC, 1-16-25, Shibaura, Minato-ku, Tokyo, 105-0032, Japan

    Angela Veneva, Michael R. Koblischka, Naomichi Sakai, Kei Ogasawara & Masato Murakami

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  1. Angela Veneva
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  2. Michael R. Koblischka
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  3. Naomichi Sakai
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  4. Kei Ogasawara
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  5. Masato Murakami
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Veneva, A., Koblischka, M.R., Sakai, N. et al. Influence of KClO3 Addition on the Magnetic Properties and Microstructural Morphology of Y(1−0.2x)Ba(2−0.2x)KxCu3Oy (x = 0 ÷ 0.40) Polycrystalline HTSC. Journal of Low Temperature Physics 117, 939–943 (1999). https://doi.org/10.1023/A:1022515310847

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  • DOI: https://doi.org/10.1023/A:1022515310847

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