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  Würz, R.; Meeder, A.; Fuertes Marrón, D.; Schedel-Niedrig, Th.; Knop-Gericke, A.; Lips, K.: Native oxidation of CuGaSe₂ crystals and thin films studied by electron paramagnetic resonance and photoelecton spectroscopy. Physical Review B 70 (2004), p. 205321/1-10

10.1103/PhysRevB.70.205321

Abstract:
Native Oxidation of CuGaSe2 Crystals and Thin Films Studied by Electron Paramagnetic Resonance and Photoelecton Spectrscopy