 | Acta Crystallographica Section E Acta Crystallographica Section E CRYSTALLOGRAPHIC COMMUNICATIONS |
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![[Figure 9]](oi2031fig9mag.jpg)
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Figure 9
Sequence of reflections for the three prominent crystal faces of a face-centred cubic (fcc) lattice in (a) and for diamond in (b) redrawn after Bragg & Bragg (1913  ). Numbers in black were taken from the original publication and represent the sequence of the reflections for each set of planes as multiples of the first reflection in each series. The latter is always the inverse of the  interplanar lattice spacing, with  , with a′ = 1 and 2a′ = a the lattice parameter of the fcc unit cell (see also Bragg, 1913, p. 270). The numbers in red are the corresponding Laue indices that were added for easier reference to the reflections. It is important to note that, in contrast to the ideal fcc lattice shown in (a), the diffraction pattern of diamond in (b) lacks the 200, 600, and 222 reflections. |
![[Figure 9]](oi2031fig9.jpg)
| CRYSTALLOGRAPHIC COMMUNICATIONS |
ISSN: 2056-9890
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