Figure 1
Illustration of the atomic structure of the three categories of aperiodic crystals as seen in the physical space. A more compact and detailed description is achieved in the superspace description. From top: incommensurately modulated structure found in Na2CO3 [courtesy of Gervais Chapuis from Dusek et al. (2003)], composite with host and guest channels in the alcane–urea compound [courtesy of B. Toudic, from Toudic et al. (2008), reprinted with permission from AAAS], atomic plane of the icosahedral Zn—Sc quasicrystal [courtesy of T. Yamada, from Yamada et al. (2016)]. |