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Marked anomalies in the pressure dependence of the superconducting transition temperature in Tl2Ba2CuO6+y as a function of oxygen content

✍ Scribed by R. Sieburger; J.S. Schilling

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 516 KB
Volume: 173
Category: Article
ISSN: 0921-4534
DOI: 10.1016/0921-4534(91)90742-h

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✦ Synopsis

We report the results of experiments on the effect of hydrostatic pressure to 6 kbar on the superconducting transition temperature 7', of a T12BaZCu06+y sinter for oxygen content y in the range 0.10 I ~50.2 1. superconductivity is detected by an AC inductance technique and pure hydrostatic pressure is generated with a helium gas system. For experiments in which the pressure is changed at room temperature, T, falls rapidly under pressure; when the pressure is changed at low temperature, T, remains almost constant. A subsequent experiment on a YBa2Cu90, single crystal revealed no such irreversible behavior.

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