Polar octahedral rotations, cation displacement and ferroelectricity in multiferroic SmCrO3A. Ghosh, K. Dey, M. Chakraborty, S. Majumdar and S. GiriEPL, 107 4 (2014) 47012DOI: https://doi.org/10.1209/0295-5075/107/47012
