Ionic conductivity behavior by activated hopping conductivity (AHC) of barium aluminoborosilicate glass-ceramic system designed for SOFC sealing - Silva, Maviael José da; Pontuschka, Walter Maigon; Bartolome Jose F; Jasinski, Piotr; Karczewski, Jakub; Reis, Signo T (Journal of the European Ceramic Society, 2019)