Physics of the Solid State

, Volume 40, Issue 5, pp 847–849 | Cite as

Two-photon photo-voltaic spectroscopy on wannier excitons in Cu2O

  • N. Naka
  • M. Hasuo
  • N. Nagasawa
Article

Abstract

Two-photon excitation spectra of photo-voltaic effects and relevant excitonic emissions of a naturally grown single crystal of Cu2O have been studied at 77 K and 2 K. The photo-voltaic effects have been detected under local excitation at a macroscopical distance apart from the electrodes. The participation of the yellow series excitons in the generation of the photo-voltaic signal has been discussed.

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Copyright information

© American Institute of Physics 1998

Authors and Affiliations

  • N. Naka
    • 1
  • M. Hasuo
    • 1
  • N. Nagasawa
    • 1
  1. 1.Department of Physics, School of ScienceThe University of TokyoBunkyo-ku, TokyoJapan

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