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It took Dan Shechtman more than two years to get his discovery of an Al-Mn phase with icosahedral diffraction symmetry and sharp Bragg reflections published. A paradigm shift had to take place before this novel ordering state of matter -seemingly contradicting crystallographic laws -could be accepted. Today, more than 25 years later, the existence of quasicrystals is beyond doubt. However, not everything is settled yet. All the factors governing formation, growth, stability and structure ofdoi:10.1039/c2cs90077g pmid:22948966 fatcat:dzdfordo5vfr5pikcd7d6575ca