17 O Knight shift study in the superconducting state of Sr2RuO4

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

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

17 O Knight shift measurements in Sr2RuO4 were performed over the wide range of magnetic field 3.2-11.4kOe parallel to the basal RuO2 planes. The spin susceptibility is totally unchanged through its Tc, evidencing that the spin-triplet superconducting state is realized in Sr2RuO4. The result indicates that the Cooper pairs consist of the parallel spin pairs | ↑↑> and | ↑↑> with their quantization axis perpendicular to the c-axis direction. The in-plane 2D nearly ferromagnetic spin fluctuations may play a role for the stabilization of this state among various representations of spin-triplet order parameter.

Original languageEnglish (US)
Pages (from-to)1587-1591
Number of pages5
JournalJournal of Low Temperature Physics
Volume117
Issue number5-6
StatePublished - Dec 1 1999

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Spin fluctuations
Stabilization
Magnetic fields
nuclear magnetic resonance
stabilization
Direction compound
magnetic permeability
magnetic fields

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Mukuda, H., Ishida, K., Kitaoka, Y., Mao, Z., Mori, Y., & Maeno, Y. (1999). 17 O Knight shift study in the superconducting state of Sr2RuO4. Journal of Low Temperature Physics, 117(5-6), 1587-1591.
Mukuda, H. ; Ishida, K. ; Kitaoka, Y. ; Mao, Zhiqiang ; Mori, Y. ; Maeno, Y. / 17 O Knight shift study in the superconducting state of Sr2RuO4. In: Journal of Low Temperature Physics. 1999 ; Vol. 117, No. 5-6. pp. 1587-1591.
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Mukuda, H, Ishida, K, Kitaoka, Y, Mao, Z, Mori, Y & Maeno, Y 1999, '17 O Knight shift study in the superconducting state of Sr2RuO4', Journal of Low Temperature Physics, vol. 117, no. 5-6, pp. 1587-1591.

17 O Knight shift study in the superconducting state of Sr2RuO4. / Mukuda, H.; Ishida, K.; Kitaoka, Y.; Mao, Zhiqiang; Mori, Y.; Maeno, Y.

In: Journal of Low Temperature Physics, Vol. 117, No. 5-6, 01.12.1999, p. 1587-1591.

Research output: Contribution to journalArticle

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AU - Mukuda, H.

AU - Ishida, K.

AU - Kitaoka, Y.

AU - Mao, Zhiqiang

AU - Mori, Y.

AU - Maeno, Y.

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N2 - 17 O Knight shift measurements in Sr2RuO4 were performed over the wide range of magnetic field 3.2-11.4kOe parallel to the basal RuO2 planes. The spin susceptibility is totally unchanged through its Tc, evidencing that the spin-triplet superconducting state is realized in Sr2RuO4. The result indicates that the Cooper pairs consist of the parallel spin pairs | ↑↑> and | ↑↑> with their quantization axis perpendicular to the c-axis direction. The in-plane 2D nearly ferromagnetic spin fluctuations may play a role for the stabilization of this state among various representations of spin-triplet order parameter.

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Mukuda H, Ishida K, Kitaoka Y, Mao Z, Mori Y, Maeno Y. 17 O Knight shift study in the superconducting state of Sr2RuO4. Journal of Low Temperature Physics. 1999 Dec 1;117(5-6):1587-1591.