Anomalous microstructure and magnetocaloric properties in off-stoichiometric La–Fe–Si and its hydride*
He Chuna),b),c), Zhang Ming-Xiaoa),b), Shao Yan-Yana),b), Dong Jing-Dua),b), Yan A-Rua),b), Liu Jian†a),b)
       
(a), (b) Magnetization versus field at various temperatures, (c), (d) entropy change versus temperature at various fields, and (e), (f) entropy versus field at various temperatures, for non-hydrogenated (left column) and hydrogenated La1.7Fe11.6Si1.4 (right column).