On the photoinduced phase transition from the amorphous to crystalline phase in (GeTe)n(Sb2Te3)m Sergei M. Yakubenya and Andrey S. Mishchenko Eur. Phys. J. B, 90 1 (2017) 19 Published online: 25 January 2017 DOI: 10.1140/epjb/e2016-70391-0