Mechanical anisotropy and electronic properties of X2N2 (XH2 ): first-principles calculations*

Xiao-Zhen Li(李小珍),Meng-Jiang Xing(邢孟江)

Figure 2. The lattice parameters (a) and elastic modulus (b) of X2 N2 (XH2 ) (X = C, Si, Ge), respectively.