Polarized luminescence of defects in CuGaSe2

Susanne Siebentritt, Sven Augustin, Niklas Papathanasiou, Damon Hebert, Angus Rockett, Jürgen Bläsing, Martha Ch Lux-Steiner

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The linear polarisation of luminescence light allows conclusions on the symmetry of defects in semiconductors with non-cubic symmetry, like chalcopyrites, for which three shallow acceptors have been identified by photoluminescence. The polarisation dependent photoluminescence allows determination of me symmetry of the defects relative to the c-axis of the crystal. A simple geometrical model implies that chalcogen sites show a predominant direction perpendicular to the c-axis, while metal sites show a predominant direction parallel to the c-axis. Since all three shallow acceptors show polarization parallel to the c-axis, it can be concluded mat they are situated on a metal site.

Original languageEnglish (US)
Title of host publication2007 MRS Spring Meeting
Number of pages8
StatePublished - 2007
Event2007 MRS Spring Meeting - San Francisco, CA, United States
Duration: Apr 9 2007Apr 13 2007

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Other2007 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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