Photoreflectance investigation of hydrogenated (InGa)(AsN)/GaAs heterostructuresM. Geddo, R. Pezzuto, M. Capizzi, A. Polimeni, D. Gollub, M. Fischer and A. ForchelEur. Phys. J. B, 30 1 (2002) 39-43DOI: https://doi.org/10.1140/epjb/e2002-00355-x