Cu-NMR study of Bi2Sr1.6La0.4CuO 6+δ superconductor in very high magnetic fields

S. Kawasaki; C. T. Lin; P. L. Kuhns; A. P. Reyes; Guo Qing Zheng

doi:10.1088/1742-6596/400/2/022052

Cu-NMR study of Bi₂Sr_1.6La_0.4CuO _6+δ superconductor in very high magnetic fields

S. Kawasaki, C. T. Lin, P. L. Kuhns, A. P. Reyes, Guo Qing Zheng

Research output: Contribution to journal › Conference article

Abstract

We report the results of ^63,65Cu-NMR measurements on single-layered copper-oxide Bi₂Sr_1.6La _0.4CuO_6+δ (T_c = 32 K) conducted under very high magnetic fields up to 45 T The high magnetic field suppresses superconductivity completely and the pseudogap ground state is revealed. The ⁶³Cu-NMR Knight shift shows that there remains a finite density of states at the Fermi level in the zero-temperature limit, which indicates that the pseudogap ground state is a metallic state with a finite volume of Fermi surface.

Original language	English
Article number	022052
Journal	Journal of Physics: Conference Series
Volume	400
Issue number	PART 2
DOIs	https://doi.org/10.1088/1742-6596/400/2/022052
Publication status	Published - Jan 1 2012
Event	26th International Conference on Low Temperature Physics, LT 2011 - Beijing, China Duration: Aug 10 2011 → Aug 17 2011

ASJC Scopus subject areas

Physics and Astronomy(all)

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Kawasaki, S., Lin, C. T., Kuhns, P. L., Reyes, A. P., & Zheng, G. Q. (2012). Cu-NMR study of Bi₂Sr_1.6La_0.4CuO _6+δ superconductor in very high magnetic fields. Journal of Physics: Conference Series, 400(PART 2), [022052]. https://doi.org/10.1088/1742-6596/400/2/022052

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abstract = "We report the results of 63,65Cu-NMR measurements on single-layered copper-oxide Bi2Sr1.6La 0.4CuO6+δ (Tc = 32 K) conducted under very high magnetic fields up to 45 T The high magnetic field suppresses superconductivity completely and the pseudogap ground state is revealed. The 63Cu-NMR Knight shift shows that there remains a finite density of states at the Fermi level in the zero-temperature limit, which indicates that the pseudogap ground state is a metallic state with a finite volume of Fermi surface.",

author = "S. Kawasaki and Lin, {C. T.} and Kuhns, {P. L.} and Reyes, {A. P.} and Zheng, {Guo Qing}",

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AU - Kawasaki, S.

AU - Lin, C. T.

AU - Kuhns, P. L.

AU - Reyes, A. P.

AU - Zheng, Guo Qing

PY - 2012/1/1

Y1 - 2012/1/1

N2 - We report the results of 63,65Cu-NMR measurements on single-layered copper-oxide Bi2Sr1.6La 0.4CuO6+δ (Tc = 32 K) conducted under very high magnetic fields up to 45 T The high magnetic field suppresses superconductivity completely and the pseudogap ground state is revealed. The 63Cu-NMR Knight shift shows that there remains a finite density of states at the Fermi level in the zero-temperature limit, which indicates that the pseudogap ground state is a metallic state with a finite volume of Fermi surface.

AB - We report the results of 63,65Cu-NMR measurements on single-layered copper-oxide Bi2Sr1.6La 0.4CuO6+δ (Tc = 32 K) conducted under very high magnetic fields up to 45 T The high magnetic field suppresses superconductivity completely and the pseudogap ground state is revealed. The 63Cu-NMR Knight shift shows that there remains a finite density of states at the Fermi level in the zero-temperature limit, which indicates that the pseudogap ground state is a metallic state with a finite volume of Fermi surface.

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