First-principles calculations on elastic, magnetoelastic, and phonon properties of Ni<sub>2</sub>FeGa magnetic shape memory alloys

First-principles calculations on elastic, magnetoelastic, and phonon properties of Ni₂FeGa magnetic shape memory alloys

He Wangqiang^†, Huang Houbing^‡, Liu Zhuhong, Ma Xingqiao

The total energy of the austenite Ni₂FeGa calculated with respect to different tetragonal deformations, c/a.