@article{JETPL.112.387, title = {Lead-Free Semiconductors with High Absorption: Insight into the Optical Properties of K2GeSnBr6 and K2GeSnI6 Halide Double Perovskites}, author = {Houari, M. and Bouadjemi, B. and Abbad, A. and Lantri, T. and Haid, S. and Benstaali, W. and Matougui, M. and Bentata, S.}, journal = {JETP Lett.}, volume = {112}, issue = {6}, pages = {364}, year = {2020}, doi = {10.1134/S0021364020180010}, url = {http://jetpletters.ru/ps/dx/10.31857/S1234567820180081}, note = {[Pisma v ZhETF 112, 387 (2020)]} }