Table 1 The structural type, space group, lattice parameters, Wyckoff positions and fractional atom coordinates in W2B, V3B2 and Cr5B3 phase
Structure | Space group | Unit cell (nm) | Atom | Fractional coordinates | ||
|---|---|---|---|---|---|---|
W 2 B | I4/mcm (no. 140) | a = 0.557 | Cr (8h) | 0.169 | 0.669 | 0.000 |
C16 | Â | c = 0.474 | B (4a) | 0.000 | 0.000 | 0.250 |
V 3 B 2 | P4/mbm (no. 127) | a = 0.576 | V (4h) | 0.173 | 0.673 | 0.500 |
D5 a | Â | c = 0.304 | V (2a) | 0.000 | 0.000 | 0.000 |
| Â | Â | Â | B (4g) | 0.388 | 0.888 | 0.000 |
Cr 5 B 3 | I4/mcm (no. 140) | a = 0.546 | Cr (16l) | 0.166 | 0.666 | 0.150 |
| Â | Â | Â | Cr(4c) | 0.000 | 0.000 | 0.000 |
D8 1 | Â | c = 1.064 | B (8h) | 0.625 | 0.125 | 0.000 |
| Â | Â | Â | B (4a) | 0.000 | 0.000 | 0.250 |