. 2018 Jan 31;19(1):76–100. doi: 10.1080/14686996.2017.1422224

Table 3. Abundances of stacking sequences of Ca(Si, Ge)₂ or CaF₂/BL(Si, Ge)/CaF₂ and lattice constants of BLSi and BLGe.

	Si	Ge
Abundance ratio of i-BL to m-BL	i-BLSi:m-BLSi = 124:3n2fi	i-BLGe:m-BLGe = 0:43
Abundance ratio of i-BL to m-BL	i-BLSi:m-BLSi = 3:0	i-BLGe:m-BLGe = 13:1
Lattice constants of the w-BL structure
Lattice constant a	0.661(2) nm	0.681(2) nm
Lattice constant b	0.382(3) nm	0.391(4) nm
Thickness of w-BL (h)	0.501(2) nm	0.54(3) nm

Table 3. Abundances of stacking sequences of Ca(Si, Ge)2 or CaF2/BL(Si, Ge)/CaF2 and lattice constants of BLSi and BLGe.