Electrical transport properties and superconducting critical temperature of Ln1.85Ce0.15CuO4-y (Ln Nd, Sm, Eu) under quasihydrostatic pressure up to 100 kbar

J. Beille, A. Gerber, Th Grenet, M. Cyrot, J. T. Markert, E. A. Early, M. B. Maple

Research output: Contribution to journalArticlepeer-review

Abstract

We have measured the resistivity of electron-doped superconductors Ln1.85Ce0.15CuO4-y (Ln = Nd, Sm, Eu) under quasihydrostatic pressure up to 100 kbar. All the samples remain superconducting for this pressure. The ratio d log Tc/d log V was found to be of the same order of magnitude as the one measured under hydrostatic pressure up to 20 kbar, weak and positive, in contrast with the hole doped high Tc superconductors. The effect of applied pressure on Tc does not compare with that of chemical pressure.

Original languageEnglish
Pages (from-to)141-145
Number of pages5
JournalSolid State Communications
Volume77
Issue number2
DOIs
StatePublished - Jan 1991
Externally publishedYes

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