Persistent photoconductivity spectrum of GdBa2Cu3O6.3 in the IR to UV region

T. Endo, J. Santamaria, A. Hoffmann, Ivan K. Schuller

Research output: Contribution to journalArticlepeer-review


We measured the spectral dependency of persistent photoconductivity (PPC) in GdBa2Cu3O6.3 from the near infrared to the ultraviolet energy range. For a photon energy of 4.1 eV there is a strong enhancement in the excitation efficiency. Photons with this energy create electron-hole pairs close to oxygen vacancies in the Cu-O chain layers. This increases the probability of the excited electron to get trapped at an oxygen vacancy, and thus leads to a strong enhancement of the excitation efficiency of the PPC.

Original languageEnglish (US)
Pages (from-to)1123-1124
Number of pages2
JournalCzechoslovak Journal of Physics
Issue numberSUPPL. 2
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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