First-principle investigation on the thermodynamics of <italic>X</italic><sub>2</sub>N<sub>2</sub>O (<italic>X</italic> = C, Si, Ge) compounds

First-principle investigation on the thermodynamics of X₂N₂O (X = C, Si, Ge) compounds

Xiong Qing-Yun¹, Shen Qi-Xia², Li Rui-Zi¹, Shen Jiang¹, Tian Fu-Yang^{1, †,}

Variations of C_v with temperature T at different pressures for X₂N₂O [X = C, Si, Ge, corresponding to panels (a), (b), and (c)].