P213 BN: a novel large-cell boron nitride polymorph

Qing-Yang Fan(樊庆扬),Nan Wu(吴楠),Shuai-Ming Chen(陈帅铭),Li Jiang(江莉),Wei Zhang(张伟),Xin-Hai Yu(于新海),Si-Ning Yun(云斯宁)

Figure 4. Directional dependence of Young's modulus for P213 BN (a), c-BN (b) and Pm-3n BN (c); shear modulus for P213 BN (d), c-BN (e) and Pm-3n BN (f); and Poisson's ratio for P213 BN (g), c-BN (h) and Pm-3n BN (i).