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Indirect Excitons in Three-Dimensional Charge-Density-Wave System of BaBiO3

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Abstract

In mid-infrared absorption spectrum below the charge density wave(CDW) gap for BaBiO3, we have found long-tail absorption with a square-root spectral shape which is consistent with ≥a picture of the indirect allowed exciton consisting of an electron and a hole at L- and W-points, respectively, at either sides of an indirect gap formed by the three-dimensional CDW. The indirect-gap energy coincides with twice of the activation energy of the electric conduction.

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Author information

Authors and Affiliations

  1. Institute of Applied Physics, University of Tsukuba, Tsukuba, Ibaraki, 305, Japan

    Hiromoto Uwe & Kohsuke Tachibana

Authors
  1. Hiromoto Uwe
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  2. Kohsuke Tachibana
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Editor information

Editors and Affiliations

  1. Department of Electronics, Faculty of Engineering, Kyushu University, Higashi-Ku, Fukuoka 812, Japan

    Kaoru Yamafuji

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

    Tadataka Morishita

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© 1995 Springer-Verlag Tokyo

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Uwe, H., Tachibana, K. (1995). Indirect Excitons in Three-Dimensional Charge-Density-Wave System of BaBiO3. In: Yamafuji, K., Morishita, T. (eds) Advances in Superconductivity VII. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68535-7_36

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  • DOI: https://doi.org/10.1007/978-4-431-68535-7_36

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68537-1

  • Online ISBN: 978-4-431-68535-7

  • eBook Packages: Springer Book Archive

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