Current-voltage characteristics of a foamed Bi1.8Pb0.3Sr2Ca2Cu3O x high-temperature superconductor with fractal cluster structure
| العنوان: | Current-voltage characteristics of a foamed Bi1.8Pb0.3Sr2Ca2Cu3O x high-temperature superconductor with fractal cluster structure |
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| المؤلفون: | I. L. Belozerova, Carlos R. Michel, L. V. Kashkina, S. I. Popkov, Mihail Petrov, Yu. I. Kuz’min, K. A. Shaikhutdinov, D. A. Balaev, Denis Gokhfeld |
| المصدر: | Physics of the Solid State. 48:207-212 |
| بيانات النشر: | Pleiades Publishing Ltd, 2006. |
| سنة النشر: | 2006 |
| مصطلحات موضوعية: | Superconductivity, Materials science, High-temperature superconductivity, Solid-state physics, Condensed matter physics, Condensed Matter Physics, Fractal dimension, Magnetic flux, Electronic, Optical and Magnetic Materials, Vortex, law.invention, Condensed Matter::Soft Condensed Matter, Fractal, law, Condensed Matter::Superconductivity, Percolation |
| الوصف: | The influence of the structure of foamed polycrystalline bismuth-based superconductors on their critical currents and current-voltage characteristics is studied. It is found that superconducting foams have a fractal structure, and the fractal dimension of the boundary between the normal and superconducting phases is estimated. The magnetic and transport properties of superconducting foams are investigated, and the current-voltage characteristics are obtained in a wide range of currents. The effect of percolation phenomena on vortex pinning in a foamed superconductor is considered. The current-voltage characteristics of the superconducting foams at the beginning of the resistive transition are found to be in good agreement with a model in which a magnetic flux is assumed to be trapped in the fractal clusters of a normal phase. |
| تدمد: | 1090-6460 1063-7834 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::612566513c99a87020d87a593ac40d8a https://doi.org/10.1134/s1063783406020016 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........612566513c99a87020d87a593ac40d8a |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 10906460 10637834 |
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