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Spin Dynamics at Planar Copper and Oxygen Sites in YBa2Cu4O8

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Advances in Superconductivity V

Abstract

The 17O Knight shift K and spin-lattice relaxation rate 1/T1 has been investigated in YBa2Cu4O8. The Knight-shift vs magnetic-susceptibility relation indicates that the s-like spin at the planar oxygen site is induced by the neighboring copper 3d spin. The distinct behavior of 1/T1 at the planar Cu and O sites suggests that the antiferromagnetic fluctuations are enhanced at temperatures just above Tc. The 1/T1 data for YBa2Cu4O8 are similar in character to those for oxygen deficient YBa2Cu3O7−x.

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Author notes

  1. I. Tomeno

    Present address: Advanced Research Laboratory, Research and Development Center, Toshiba Corporation, Saiwai-ku, Kawasaki 210, Japan

Authors and Affiliations

  1. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo, 135, Japan

    I. Tomeno, T. Machi, K. Tai & N. Koshizuka

  2. The Institute for Solid State Physics, The University of Tokyo, Minato-ku, Tokyo, 106, Japan

    S. Kambe, A. Hayashi, Y. Ueda & H. Yasuoka

Authors
  1. I. Tomeno
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  2. T. Machi
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  3. K. Tai
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  4. N. Koshizuka
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  5. S. Kambe
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  6. A. Hayashi
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  7. Y. Ueda
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  8. H. Yasuoka
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Editor information

Editors and Affiliations

  1. Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611, Japan

    Yoshichika Bando

  2. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo, 135, Japan

    Hisao Yamauchi

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© 1993 Springer-Verlag Tokyo

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Tomeno, I. et al. (1993). Spin Dynamics at Planar Copper and Oxygen Sites in YBa2Cu4O8 . In: Bando, Y., Yamauchi, H. (eds) Advances in Superconductivity V. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68305-6_26

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  • DOI: https://doi.org/10.1007/978-4-431-68305-6_26

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68307-0

  • Online ISBN: 978-4-431-68305-6

  • eBook Packages: Springer Book Archive

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