Table 1 The lattice constant determined by XRD
Degree | Lattice constant c(nm) | ε zz | E 2(high) (cm-1) | Radius of curvature (m) | ||
---|---|---|---|---|---|---|
(0002) | (0004) | |||||
A | 34.6848 | 73.0178 | 0.51870 | 0.000386 | 568.735 | 0.98 |
Af5 | 34.6851 | 73.0176 | 0.51869 | 0.000366 | 568.711 | 0.98 |
A10f | 34.6844 | 73.0174 | 0.51858 | 0.000154 | 568.504 | 1.02 |