First principle study of the B-site ordered structure perovskite BaFe0.5Nb0.5O3
JI Denghui,ZHANG Ya,WANG Shuling,LI Xiuling,ZHANG Congmin,ZENG Zhiwei
Journal of Hebei University (Natural Science Edition) . 2017, (6): 595 -604 .  DOI: 10.3969/j.issn.1000-1565.2017.06.007