Large magnetocaloric effect and critical behavior in Sm0.09Ca0.91MnO3 electron-doped nanomanganiteS. K. Giri, Papri Dasgupta, A. Poddar and T. K. NathEPL, 105 4 (2014) 47007DOI: https://doi.org/10.1209/0295-5075/105/47007