Superconducting fluctuations and the pseudogap in the slightly overdoped high-Tc superconductor TlSr2CaCu2O6.8: high magnetic field NMR studies

Guo Qing Zheng; H. Ozaki; W. G. Clark; Y. Kitaoka; P. Kuhns; A. P. Reyes; W. G. Moulton; T. Kondo; Y. Shimakawa; Y. Kubo

doi:10.1103/PhysRevLett.85.405

Superconducting fluctuations and the pseudogap in the slightly overdoped high-T_c superconductor TlSr₂CaCu₂O_6.8: high magnetic field NMR studies

Guo Qing Zheng, H. Ozaki, W. G. Clark, Y. Kitaoka, P. Kuhns, A. P. Reyes, W. G. Moulton, T. Kondo, Y. Shimakawa, Y. Kubo

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51 Citations (Scopus)

Abstract

Measurements in the slightly overdoped superconductor TlSr₂CaCu₂O_6.8 at both zero magnetic field and high fields up to 28 T were made. It was found that the reduction of the Knight shift and 1/T₁T above T_c is strongly field dependent and follows a simple scaling relation. Overall, the results indicate that an electron correlation-driven pseudogap would terminate at some doping level before entering the overdoped regime.

Original language	English
Pages (from-to)	405-408
Number of pages	4
Journal	Physical Review Letters
Volume	85
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.85.405
Publication status	Published - Jul 10 2000
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.85.405

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abstract = "Measurements in the slightly overdoped superconductor TlSr2CaCu2O6.8 at both zero magnetic field and high fields up to 28 T were made. It was found that the reduction of the Knight shift and 1/T1T above Tc is strongly field dependent and follows a simple scaling relation. Overall, the results indicate that an electron correlation-driven pseudogap would terminate at some doping level before entering the overdoped regime.",

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AU - Zheng, Guo Qing

AU - Ozaki, H.

AU - Clark, W. G.

AU - Kitaoka, Y.

AU - Kuhns, P.

AU - Reyes, A. P.

AU - Moulton, W. G.

AU - Kondo, T.

AU - Shimakawa, Y.

AU - Kubo, Y.

PY - 2000/7/10

Y1 - 2000/7/10

N2 - Measurements in the slightly overdoped superconductor TlSr2CaCu2O6.8 at both zero magnetic field and high fields up to 28 T were made. It was found that the reduction of the Knight shift and 1/T1T above Tc is strongly field dependent and follows a simple scaling relation. Overall, the results indicate that an electron correlation-driven pseudogap would terminate at some doping level before entering the overdoped regime.

AB - Measurements in the slightly overdoped superconductor TlSr2CaCu2O6.8 at both zero magnetic field and high fields up to 28 T were made. It was found that the reduction of the Knight shift and 1/T1T above Tc is strongly field dependent and follows a simple scaling relation. Overall, the results indicate that an electron correlation-driven pseudogap would terminate at some doping level before entering the overdoped regime.

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Superconducting fluctuations and the pseudogap in the slightly overdoped high-T_c superconductor TlSr₂CaCu₂O_6.8: high magnetic field NMR studies

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