Giant photoinduced chirality in thin film Ge2Sb2Te5 - Shanmugam, J; Borisenko, K; Luers, A; Ewart, P; Shah, P; Williams, B; Craig, C; Hewak, D; Hussain, R; Jávorfi, T; Siligardi, G; Bosman, M; et al. (physica status solidi (RRL) - Rapid Research Letters, 2019)