Abstract
The melt of Bi–Sr–Ca–Cu–O (BSCCO) was quenched by splatting using iron plates, resulting in formation of the glassy plates (0.3–0.7 mm thickness). The plates were converted into superconductors by reheating in air. The critical temperature, Tc, depends on the thickness. The change in Tc is discussed in terms of the difference in the amount of oxygen absorption and in crystallization behavior of the glassy plate during the reheating process between the glassy phase in the interior and that around the surface. It was found that high-Tc glass-ceramic thin plates can be prepared by controlling the amount or the rate of oxygen supply.
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Kasuga, T., Nakamura, K., Hattori, T. et al. Bi–Sr–Ca–Cu–O superconducting thin plates prepared by glass-ceramic processing: Dependence of Tc on the thickness. Journal of Materials Research 12, 332–337 (1997). https://doi.org/10.1557/JMR.1997.0048
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DOI: https://doi.org/10.1557/JMR.1997.0048