Coexistence of Antiferromagnetism and Superconductivity in Electron-doped High-Tc Superconductors

Abstract

We present magnetotransport evidence for antiferromagnetism in films of the electron-doped cuprates Pr${}_{2-x}$Ce${}_x$CuO${}_4$. Our results show clear signature of static antiferromagnetism up to optimal doping x=0.15, with a quantum phase transition close to x=0.16, and a coexistence of static antiferromagnetism and superconductivity for 0.12$\le$x$\le$0.15.

References in corpus (5)

• Quantum criticality
• Spin correlations in the electron-doped high-transition-temperature superconductor Nd{2-x}Ce{x}CuO{4+/-delta}
• Electronic Structure of Electron-doped Sm1.86Ce0.14CuO4: Strong `Pseudo-Gap' Effects, Nodeless Gap and Signatures of Short Range Order
• Evolution of the low energy spin dynamics in electron-doped high-transition temperature superconductor Pr0.88LaCe0.12CuO4-d
• Evidence for a quantum phase transition in electron-doped Pr${}_{2-x}$Ce${}_x$CuO${}_{4-\delta }$ from Thermopower measurements

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