Entropy change at the martensitic transformation in ferromagnetic shape memory alloys Ni_{2+x}Mn_{1-x}Ga

V. V. Khovailo, K. Oikawa, T. Abe +1

The entropy change $\Delta S$ between the high-temperature cubic phase and the low-temperature tetragonally-based martensitic phase of Ni${}_{2+x}$Mn${}_{1-x}$Ga ($x=0-0.20$) alloys was…