Structural Engineering of Vacancy Defected Bismuth Tellurides for Thermo-electric ApplicationsK. Termentzidis, A. Pokropivny, S.-Y. Xiong, Y. Chumakov, P. Cortona and S. VolzEPJ Web of Conferences, 33 (2012) 02012DOI: https://doi.org/10.1051/epjconf/20123302012