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

doi:10.1063/1.101565

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

Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

24 Scopus citations

Abstract

As a precursor of high T_c superconductors, glasses in the system Bi_xCaSrCu₂O_w (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 T_c superconductor precursors is discussed on the basis of the temperature dependence of viscosity.

Original language	English (US)
Pages (from-to)	2268-2270
Number of pages	3
Journal	Applied Physics Letters
Volume	54
Issue number	22
DOIs	https://doi.org/10.1063/1.101565
State	Published - 1989

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Physics and Astronomy (miscellaneous)

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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.",

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T1 - Transition range viscosity of rapidly quenched Bi-Ca-Sr-Cu-O glasses

AU - Tatsumisago, M.

AU - Angell, C. A.

AU - Tsuboi, S.

AU - Akamatsu, Y.

AU - Tohge, N.

AU - Minami, T.

PY - 1989

Y1 - 1989

N2 - 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.

AB - 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.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

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

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