کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1819378 | 1525761 | 2009 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Growth and properties of air-processed GdBa2Cu3O7âδ superconductors with fined Gd2BaCuO5 and Gd2Ba4CuFeOy additions
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We have succeeded in synthesizing a powder form of Gd2Ba4CuFeOy (Gd2411) in air. GdBa2Cu3O7âδ (Gd123)/Gd2BaCuO5 (Gd211) precursor powders added with different amounts of Gd2Ba4CuFeOy (x = 0, 0.002, 0.004, 0.02) in molar ratio to Gd123 have been fabricated successfully into the form of large, single grains by the top seeded melt growth (TSMG) process. The relation between the additions amounts of Gd2411/Gd211 and critical current density (JC) was analyzed. We found Gd2411 particles stably exist in the Gd123 matrix without degradation of superconducting properties owing to the existence of the Fe magnetic ion. The trapped field was observed to increase significantly compared with the bulk without Gd2411 additions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica C: Superconductivity - Volume 469, Issues 15â20, 15 October 2009, Pages 1169-1172
Journal: Physica C: Superconductivity - Volume 469, Issues 15â20, 15 October 2009, Pages 1169-1172
نویسندگان
Y. Zhang, M. Izumi, Y. Kimura, Y. Xu,