Dan Shechtman's discovery of quasicrystals, over 15 years ago, has spawned
an exciting new field of research which today is being actively pursued
by hundreds of scientists worldwide. This new phase of ordered matter—a
quasiperiodic crystal—has completely changed our understanding of the most
basic concepts of condensed matter physics, such as crystallinity, long
range order, and symmetry. With promising new industrial applications,
and with many unexplained experimental observations, this field of research
is sure to stay at the forefront of science for years to come.
Ho-Mg-Zn single crystal.
I.R. Fisher et al., PRB 59 (1999) 308-321.