A “checkerboard" orbital-stripe phase and charge ordering transitions in Pr(SrxCa)Mn2O7 (0 x 0.45)Z. A. Li, X. Li, Z. Wang, H. F. Tian, C. Ma, L. J. Zeng and H. X. YangEPL, 86 6 (2009) 67010DOI: https://doi.org/10.1209/0295-5075/86/67010