Anomalous microstructure and magnetocaloric properties in off-stoichiometric La–Fe–Si and its hydride |
(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). |