Unusual Mott transition in multiferroic PbCrO3

• Published in: Proceedings of the National Academy of Sciences - PNAS Vol. 112; no. 50; pp. 15320 - 15325
• Main Authors: Wang, Shanmin, Zhu, Jinlong, Zhang, Yi, Yu, Xiaohui, Zhang, Jianzhong, Wang, Wendan, Bai, Ligang, Qian, Jiang, Yin, Liang, Sullivan, Neil S, Jin, Changqing, He, Duanwei, Xu, Jian, Zhao, Yusheng
• Format: Journal Article
• Language: English
• Published: United States National Acad Sciences 15.12.2015; National Academy of Sciences
• Subjects: Physical Sciences; Mott transition; multiferroics; Mott criticality; PbCrO3; isostructural transition

The Mott insulator in correlated electron systems arises from classical Coulomb repulsion between carriers to provide a powerful force for electron localization. Turning such an insulator into a metal, the so-called Mott transition, is commonly achieved by "bandwidth" control or "band...