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Spin and Charge Dynamics in the Hole-Doped Two-Leg Ladder Compound Sr14−x Ca x Cu24O41

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Physics and Chemistry of Transition Metal Oxides

Part of the book series: Springer Series in Solid-State Sciences ((SSSOL,volume 125))

Abstract

Our experimental results obtained with the doped ladder material Sr2.5Ca11.5Cu24O41 have been reviewed. Our main conclusions are 1) anisotropic resistivity under high-pressure has been measured on the single crystal. The crossover behavior of the charge dynamics from 1D to 2D in this system has been emphasized. 2) The spin gap values have been obtained for the different Ca concentrations with the neutron scattering experiments. Their values are about 32 meV, being independent of Ca concentrations and pressure up to 2.1 GPa. 3) The antiferromagnetism in the Sr2.5Ca11.5Cu24O41 at ambient pressure has been found by the specific heat and neutron scattering measurements. The relationship between antiferromagnetism and spin gap state was discussed.

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Author information

Authors and Affiliations

  1. Department of Physics, Aoyama-Gakuin University, Chitosedai, Setagaya-ku, Tokyo, 157-8572, Japan

    J. Akimitsu, T. Nagata & H. Fujino

  2. Department of Superconductivity, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan

    N. Motoyama, H. Eisaki & S. Uchida

  3. College of Humanities and Sciences, Nihon University, Sakurajosui, Setagaya-ku, Tokyo, 156-0045, Japan

    H. Takahashi & T. Nakanishi

  4. ISSP, The University of Tokyo, Roppongi, Minato-ku, Tokyo, 106-0032, Japan

    N. Môri

  5. Neutron Scattering Laboratory, ISSP, The University of Tokyo, Tokai, Ibaraki, 319-1106, Japan

    M. Nishi & K. Kakurai

  6. Neutron Scattering Group, Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki, 319-1195, Japan

    S. Katano

  7. Institute for Materials Research, Tohoku University, Katahira, Aoba-ku, Sendai, 980-0812, Japan

    M. Hiroi, M. Sera & N. Kobayashi

Authors
  1. J. Akimitsu
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  2. T. Nagata
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  3. H. Fujino
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  4. N. Motoyama
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  5. H. Eisaki
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  6. S. Uchida
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  7. H. Takahashi
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  8. T. Nakanishi
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  9. N. Môri
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  10. M. Nishi
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  11. K. Kakurai
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  12. S. Katano
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  13. M. Hiroi
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  14. M. Sera
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  15. N. Kobayashi
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Editor information

Editors and Affiliations

  1. Department of Physics, The University of Tokyo, Tokyo, 113, Japan

    Hidetoshi Fukuyama

  2. Department of Applied Physics, The University of Tokyo, Tokyo, 113, Japan

    Naoto Nagaosa

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© 1999 Springer-Verlag Berlin Heidelberg

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Akimitsu, J. et al. (1999). Spin and Charge Dynamics in the Hole-Doped Two-Leg Ladder Compound Sr14−x Ca x Cu24O41 . In: Fukuyama, H., Nagaosa, N. (eds) Physics and Chemistry of Transition Metal Oxides. Springer Series in Solid-State Sciences, vol 125. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60041-8_28

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  • DOI: https://doi.org/10.1007/978-3-642-60041-8_28

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-64231-9

  • Online ISBN: 978-3-642-60041-8

  • eBook Packages: Springer Book Archive

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