Figure 1
Crystal structures of BaP polymorphs. (a) BaP-I under ambient conditions, as viewed along the a (top) and c (bottom) axes; (b) BaP-II at 4.8 GPa, viewed along the a (top) and c (bottom) axes; (c) BaP-III at 7.1 GPa, as viewed along the a (top) and b (bottom) axes: carbon atoms – black, hydrogen atoms – white. |