Figure 3
Theoretical polycrystalline S'(Q, [omega]) for aluminium, calculated using the LJ 12-6 potential model, for the full range of Q (0 [less-than or equal to] Q [less-than or equal to] 10.0 Å-1) and [omega] (0 < [omega] < 350 cm -1). The S'(Q, [omega]) intensity rises from very low (dark blue) through mid (light blues and yellow) to very high (dark red). White areas denote regions in (Q, [omega]) space where no scattering occurs, whereas dark blue shows low-intensity scattering due to off-symmetry direction (polycrystalline averaged) scattering.  [article HTML]