Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa2Cu3O7−δ

K. R. Gorny; O. M. Vyaselev; C. H. Pennington; P. C. Hammel; W. L. Hults; J. L. Smith; J. Baumgartner; T. R. Lemberger; P. Klamut; B. Dabrowski

doi:10.1103/PhysRevB.63.064513

Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa₂Cu₃O_7−δ

K. R. Gorny, O. M. Vyaselev, C. H. Pennington, P. C. Hammel, W. L. Hults, J. L. Smith, J. Baumgartner, T. R. Lemberger, P. Klamut, B. Dabrowski

Radiation Physicists

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We report NMR measurements of ⁶³Cu spin-lattice relaxation rates, ⁶³(T₁T)⁻¹, for magnetic fields of 0, 4, 8.8, and 14.8 T. The measurements were performed on four different samples within the family of near optimally doped YBa₂Cu₃O_7−δ and for the range of temperatures above and below T_c. For each sample we consistently find that, in the normal state, ⁶³Cu spin-lattice relaxation rate is magnetic field independent and that field dependence develops only below T_c where ⁶³(T₁T)⁻¹ curves “fan out.” We describe in detail experimental methods enabling the high precision required in such measurements.

Original language	English (US)
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	63
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.63.064513
State	Published - Jan 22 2001

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Gorny, K. R., Vyaselev, O. M., Pennington, C. H., Hammel, P. C., Hults, W. L., Smith, J. L., Baumgartner, J., Lemberger, T. R., Klamut, P., & Dabrowski, B. (2001). Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa₂Cu₃O_7−δ. Physical Review B - Condensed Matter and Materials Physics, 63(6). https://doi.org/10.1103/PhysRevB.63.064513

Gorny, KR, Vyaselev, OM, Pennington, CH, Hammel, PC, Hults, WL, Smith, JL, Baumgartner, J, Lemberger, TR, Klamut, P & Dabrowski, B 2001, 'Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa₂Cu₃O_7−δ', Physical Review B - Condensed Matter and Materials Physics, vol. 63, no. 6. https://doi.org/10.1103/PhysRevB.63.064513

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title = "Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa2Cu3O7−δ",

abstract = "We report NMR measurements of 63Cu spin-lattice relaxation rates, 63(T1T)−1, for magnetic fields of 0, 4, 8.8, and 14.8 T. The measurements were performed on four different samples within the family of near optimally doped YBa2Cu3O7−δ and for the range of temperatures above and below Tc. For each sample we consistently find that, in the normal state, 63Cu spin-lattice relaxation rate is magnetic field independent and that field dependence develops only below Tc where 63(T1T)−1 curves “fan out.” We describe in detail experimental methods enabling the high precision required in such measurements.",

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year = "2001",

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doi = "10.1103/PhysRevB.63.064513",

language = "English (US)",

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journal = "Physical Review B - Condensed Matter and Materials Physics",

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T1 - Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa2Cu3O7−δ

AU - Gorny, K. R.

AU - Vyaselev, O. M.

AU - Pennington, C. H.

AU - Hammel, P. C.

AU - Hults, W. L.

AU - Smith, J. L.

AU - Baumgartner, J.

AU - Lemberger, T. R.

AU - Klamut, P.

AU - Dabrowski, B.

PY - 2001/1/22

Y1 - 2001/1/22

N2 - We report NMR measurements of 63Cu spin-lattice relaxation rates, 63(T1T)−1, for magnetic fields of 0, 4, 8.8, and 14.8 T. The measurements were performed on four different samples within the family of near optimally doped YBa2Cu3O7−δ and for the range of temperatures above and below Tc. For each sample we consistently find that, in the normal state, 63Cu spin-lattice relaxation rate is magnetic field independent and that field dependence develops only below Tc where 63(T1T)−1 curves “fan out.” We describe in detail experimental methods enabling the high precision required in such measurements.

AB - We report NMR measurements of 63Cu spin-lattice relaxation rates, 63(T1T)−1, for magnetic fields of 0, 4, 8.8, and 14.8 T. The measurements were performed on four different samples within the family of near optimally doped YBa2Cu3O7−δ and for the range of temperatures above and below Tc. For each sample we consistently find that, in the normal state, 63Cu spin-lattice relaxation rate is magnetic field independent and that field dependence develops only below Tc where 63(T1T)−1 curves “fan out.” We describe in detail experimental methods enabling the high precision required in such measurements.

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Magnetic field independence of Cu(2) NMR spin-lattice relaxation rate in the normal state of optimally doped YBa₂Cu₃O_7−δ

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