Comparative Study of Sb2O3 (Sb2O5) and Ta2O5 Doping Effects with TeO2 on Electrical Properties of δ-Bi2O3. - LOUBBIDI, L.; CHAGRAOUI, A.; VILLAIN, S.; BOURJA, L.; ORAYECH, B.; SIDI AHMED, O. AIT; MOUSSAOUI, A.; TAIRI, A. (Acta Physica Polonica: A, 2016)