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-Yang1, †,
       

Variations of lattice parameter ratio (b/a and c/a) of crystal structure with pressure for the orthorhombic- X2N2O (X = C, Si, Ge) compounds.