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VOLUME 49 (1989) | ISSUE 12 | PAGE 668
Critical temperatures of Tl2Ba2Ca2Cu3Ox at pressures of up to 190 kbar
A nonmonotonic dependence of the superconducting transition temperature Tc on the pressure Pat pressures of up to 200 kbar has been observed in ceramic samples of Τ12÷Á2óÁ2óÉÚï x. At P~ 40 kbar a low-temperature phase has been found to appear. The derivatives dTc /dPoithe high-temperature phase and the low-temperature phase have been determined.