Photochromism of doped terbium gallium garnet

H. Dachraoui, R. A. Rupp, K. Lengyel, M. A. Ellabban, M. Fally, G. Corradi, L. Kovács, L. Ackermann

Research output: Contribution to journalArticle

29 Citations (Scopus)


In order to understand the photochromic effect in terbium gallium garnet doubly doped with calcium and cerium, the spectral characteristics of absorption changes induced by heating and irradiation are studied. Based on the findings we conclude that the photochromic band at 420 nm originates from defects involving Tb4+. Previously the band was attributed to Ce3+. Two possible models are suggested and discussed, both of which are in agreement with the obtained experimental results.

Original languageEnglish
Article number144104
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
Publication statusPublished - Oct 25 2006

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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