Thermal annealing dependence of some physical properties of Bi-substituted Sn–Sb–Se glassy thin filmsM. Ahmad, R. Thangaraj and T. S. SathiarajEur. Phys. J. Appl. Phys., 47 3 (2009) 30501DOI: https://doi.org/10.1051/epjap/2009095