Vortex dynamics in Sr2 RuO4 studied by17O-NMR

H. Mukuda, K. Ishida, Y. Kitaoka, Zhiqiang Mao, Y. Mori, Y. Maeno

Research output: Contribution to journalConference article

Abstract

We have measured 17O-nuclear spin-lattice relaxation rate T1-1 in the superconducting state of Sr2 RuO4. A large enhancement of T1-1 was observed in the mixed state, affected by the thermally enhanced fluctuation of vortices. T1 has two major components well below Tc: a shorter-T1 component comes from the oxygen sites close to the vortices, whereas a longer-T1 component is from the sites far from the vortices. A peak of (T1 T)-1 appears when the thermal fluctuation rate τ-1 become comparable to the NMR frequency.

Original languageEnglish (US)
Pages (from-to)965-966
Number of pages2
JournalPhysica B: Condensed Matter
Volume281-282
DOIs
StatePublished - Jan 1 2000
EventYamada Conference LI - The International Conference on Strongly Correlated Electron Systems (SCES '99) - Nagano, Japan
Duration: Aug 24 1999Aug 28 1999

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Vortex flow
Nuclear magnetic resonance
vortices
nuclear magnetic resonance
Spin-lattice relaxation
spin-lattice relaxation
nuclear spin
Oxygen
augmentation
oxygen
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Mukuda, H., Ishida, K., Kitaoka, Y., Mao, Z., Mori, Y., & Maeno, Y. (2000). Vortex dynamics in Sr2 RuO4 studied by17O-NMR. Physica B: Condensed Matter, 281-282, 965-966. https://doi.org/10.1016/S0921-4526(99)01166-7
Mukuda, H. ; Ishida, K. ; Kitaoka, Y. ; Mao, Zhiqiang ; Mori, Y. ; Maeno, Y. / Vortex dynamics in Sr2 RuO4 studied by17O-NMR. In: Physica B: Condensed Matter. 2000 ; Vol. 281-282. pp. 965-966.
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abstract = "We have measured 17O-nuclear spin-lattice relaxation rate T1-1 in the superconducting state of Sr2 RuO4. A large enhancement of T1-1 was observed in the mixed state, affected by the thermally enhanced fluctuation of vortices. T1 has two major components well below Tc: a shorter-T1 component comes from the oxygen sites close to the vortices, whereas a longer-T1 component is from the sites far from the vortices. A peak of (T1 T)-1 appears when the thermal fluctuation rate τ-1 become comparable to the NMR frequency.",
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Mukuda, H, Ishida, K, Kitaoka, Y, Mao, Z, Mori, Y & Maeno, Y 2000, 'Vortex dynamics in Sr2 RuO4 studied by17O-NMR', Physica B: Condensed Matter, vol. 281-282, pp. 965-966. https://doi.org/10.1016/S0921-4526(99)01166-7

Vortex dynamics in Sr2 RuO4 studied by17O-NMR. / Mukuda, H.; Ishida, K.; Kitaoka, Y.; Mao, Zhiqiang; Mori, Y.; Maeno, Y.

In: Physica B: Condensed Matter, Vol. 281-282, 01.01.2000, p. 965-966.

Research output: Contribution to journalConference article

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T1 - Vortex dynamics in Sr2 RuO4 studied by17O-NMR

AU - Mukuda, H.

AU - Ishida, K.

AU - Kitaoka, Y.

AU - Mao, Zhiqiang

AU - Mori, Y.

AU - Maeno, Y.

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N2 - We have measured 17O-nuclear spin-lattice relaxation rate T1-1 in the superconducting state of Sr2 RuO4. A large enhancement of T1-1 was observed in the mixed state, affected by the thermally enhanced fluctuation of vortices. T1 has two major components well below Tc: a shorter-T1 component comes from the oxygen sites close to the vortices, whereas a longer-T1 component is from the sites far from the vortices. A peak of (T1 T)-1 appears when the thermal fluctuation rate τ-1 become comparable to the NMR frequency.

AB - We have measured 17O-nuclear spin-lattice relaxation rate T1-1 in the superconducting state of Sr2 RuO4. A large enhancement of T1-1 was observed in the mixed state, affected by the thermally enhanced fluctuation of vortices. T1 has two major components well below Tc: a shorter-T1 component comes from the oxygen sites close to the vortices, whereas a longer-T1 component is from the sites far from the vortices. A peak of (T1 T)-1 appears when the thermal fluctuation rate τ-1 become comparable to the NMR frequency.

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