Optical phonons as a probe to determine both composition and strain in InxAl(1−x) As quantum dots embedded in an AlAs matrixV. A. Volodin, M. P. Sinyukov, V. A. Sachkov, M. Stoffel, H. Rinnert and M. VergnatEPL, 105 1 (2014) 16003DOI: https://doi.org/10.1209/0295-5075/105/16003