Transport evidence of a magnetic quantum phase transition in electron-doped high-temperature superconductors

2007/05/30 by W. Yu, Weiqiang Yu, J. S. Higgins +3 · 1 citation
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.str-el #cond-mat.supr-con

paper · pdf · doi:10.1103/physrevb.76.020503

published as Phys. Rev. B 76, 020503 (2007)

arxiv created 2007/05/30 · openalex publication_date 2007/07/12 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We present magnetotransport evidence for antiferromagnetism in films of the electron-doped cuprates Pr_2\ensuremath-xCe_xCuO₄. Our results show clear signature of static or quasistatic antiferromagnetism up to optimal doping x=0.15, with a quantum phase transition close to x=0.16, and a coexistence of antiferromagnetism and superconductivity for 0.12\ensuremath\leqslantx\ensuremath\leqslant0.15.

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