Transition range viscosity of rapidly quenched Bi-Ca-Sr-Cu-O glasses

M. Tatsumisago, C. A. Angell, S. Tsuboi, Y. Akamatsu, N. Tohge, T. Minami

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Abstract

As a precursor of high Tc superconductors, glasses in the system BixCaSrCu2Ow (x=1.5,2.7) have been prepared using twin-roller and metal-plate quenching procedures. Transition range viscosities have been measured on samples as thin as 0.02 mm using the beam-bending method with a technical modification. From the viscosity data, the system Bi-Ca-Sr-Cu-O can be characterized as a "fragile" liquid like the ZrF4-based fluorides. The possibility of drawing fibers of high Tc superconductor precursors is discussed on the basis of the temperature dependence of viscosity.

Original languageEnglish (US)
Pages (from-to)2268-2270
Number of pages3
JournalApplied Physics Letters
Volume54
Issue number22
DOIs
StatePublished - Dec 1 1989
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Tatsumisago, M., Angell, C. A., Tsuboi, S., Akamatsu, Y., Tohge, N., & Minami, T. (1989). Transition range viscosity of rapidly quenched Bi-Ca-Sr-Cu-O glasses. Applied Physics Letters, 54(22), 2268-2270. https://doi.org/10.1063/1.101565