Resonance in the electron-doped high-transition-temperature superconductor [Pr.sub.0.88]La[Ce.sub.0.12]Cu[O.sub.4-delta]
Article Abstract:
The discovery of the resonance in electron-doped high-transition-temperature {high-[T.sub.c] superconductor [Pr.sub.0.88]La[Ce.sub.0.12]Cu[O.sub.4-delta] ([T.sub.c] = 24K} is reported. It is found that the resonance energy is proportional to [T.sub.c] for all high-[T.sub.c] superconductors irrespective of electron- or hole-doping and results demonstrate that the resonance is a fundamental property of the superconducting copper oxides and is essential in superconductivity.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
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Antiferromagnetic order as the competing ground state in electron-doped Nd(sub)1.85Ce(sub)0.15CuO(sub)4
Article Abstract:
The transport and neutron-scattering analysis of the Nd(sub)1.85Ce(sub)0.15CuO(sub)4 shows a static, commensurate, antiferromagnetic state, which exhibits induced moment scales linearley with the field strength until it saturates at the upper critical field. Results confirm that the antiferromagnetic order functions as a competing ground state in the high-transition-temperature copper oxide materials.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
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Spurious magnetism in high-Tc superconductor
Article Abstract:
A quantum phase transition from the superconducting to an antiferromagnetic state in the electron-doped material Nd2_xCexCuO4 (NCCO) based on the observation of magnetic-field induced neutron-scattering intensity is revealed. It is argued that the observed magnetic intensity is due to a secondary phase of (Nd2Ce)2O3.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2003
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