Structure, charge ordering and physical properties of Yb2Fe3O7 Y. B. Qin, H. X. Yang, L. Wang, H. F. Tian, C. Ma, Y. Li, H. L. Shi and J. Q. Li Eur. Phys. J. B, 75 2 (2010) 231-236 Published online: 19 May 2010 DOI: 10.1140/epjb/e2010-00154-x