Mechanical, elastic, anisotropy, and electronic properties of monoclinic phase of m-SixGe3−xN4

Mechanical, elastic, anisotropy, and electronic properties of monoclinic phase of m-Si_xGe_3−xN₄

Ma Zhen-Yang^†, Yan Fang, Wang Su-Xin, Jia Qiong-Qiong, Yu Xin-Hai, Shi Chun-Lei

(color online) 3D directional dependence of Poisson’s ratio for (a) m-Si₃N₄, (b) m-Si₂GeN₄, (c) m-SiGe₂N₄, and (d) m-Ge₃N₄ at ambient pressure.