NMR study of YBa2Cu3OxFy (x=6,6.7, and 0<y<1.5)

S. D. Goren; C. Korn; L. Frenkel Ben-Yakar; A. Shames; B. Bandyopadhyay; H. Shaked; P. Massiot; C. Perrin

doi:10.1016/S0921-4534(97)00736-3

NMR study of YBa₂Cu₃O_xF_y (x=6,6.7, and 0<y<1.5)

S. D. Goren, C. Korn, L. Frenkel Ben-Yakar, A. Shames, B. Bandyopadhyay, H. Shaked, P. Massiot, C. Perrin

Department of Physics

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Abstract

The ¹⁹F NMR spectra of YBa₂Cu₃O_xF_y have been obtained for several concentrations of x and y as a function of magnetic field and temperature above and below the superconducting transition temperature. The high gyromagnetic ratio of the ¹⁹F nucleus allows us to use relatively low resonance magnetic fields in the range 0.1-1.3T. This interval is a factor of 50 to 70 below previously reported NMR experiments. This bridges the gap between regions of low magnetic fields that were probed by μSR and high fields used in NMR experiments. We observe a linewidth dependence on the temperature and external magnetic fields. The results are interpreted in terms of different overlapping of the vortices.

Original language	English
Pages (from-to)	1331-1332
Number of pages	2
Journal	Physica C: Superconductivity and its Applications
Volume	282-287
Issue number	PART 3
DOIs	https://doi.org/10.1016/S0921-4534(97)00736-3
State	Published - 1 Jan 1997

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(97)00736-3

Cite this

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abstract = "The 19F NMR spectra of YBa2Cu3OxFy have been obtained for several concentrations of x and y as a function of magnetic field and temperature above and below the superconducting transition temperature. The high gyromagnetic ratio of the 19F nucleus allows us to use relatively low resonance magnetic fields in the range 0.1-1.3T. This interval is a factor of 50 to 70 below previously reported NMR experiments. This bridges the gap between regions of low magnetic fields that were probed by μSR and high fields used in NMR experiments. We observe a linewidth dependence on the temperature and external magnetic fields. The results are interpreted in terms of different overlapping of the vortices.",

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T1 - NMR study of YBa2Cu3OxFy (x=6,6.7, and 0<y<1.5)

AU - Goren, S. D.

AU - Korn, C.

AU - Ben-Yakar, L. Frenkel

AU - Shames, A.

AU - Bandyopadhyay, B.

AU - Shaked, H.

AU - Massiot, P.

AU - Perrin, C.

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N2 - The 19F NMR spectra of YBa2Cu3OxFy have been obtained for several concentrations of x and y as a function of magnetic field and temperature above and below the superconducting transition temperature. The high gyromagnetic ratio of the 19F nucleus allows us to use relatively low resonance magnetic fields in the range 0.1-1.3T. This interval is a factor of 50 to 70 below previously reported NMR experiments. This bridges the gap between regions of low magnetic fields that were probed by μSR and high fields used in NMR experiments. We observe a linewidth dependence on the temperature and external magnetic fields. The results are interpreted in terms of different overlapping of the vortices.

AB - The 19F NMR spectra of YBa2Cu3OxFy have been obtained for several concentrations of x and y as a function of magnetic field and temperature above and below the superconducting transition temperature. The high gyromagnetic ratio of the 19F nucleus allows us to use relatively low resonance magnetic fields in the range 0.1-1.3T. This interval is a factor of 50 to 70 below previously reported NMR experiments. This bridges the gap between regions of low magnetic fields that were probed by μSR and high fields used in NMR experiments. We observe a linewidth dependence on the temperature and external magnetic fields. The results are interpreted in terms of different overlapping of the vortices.

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NMR study of YBa₂Cu₃O_xF_y (x=6,6.7, and 0<y<1.5)

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