Interfaces made by tin with icosahedral phase matrix

 Tin particles of about 1 μm size embedded in Al–Cu–Fe quasicrystal matrix were sharply faceted on close-packed planes of tin and fivefold and twofold planes of the matrix. In order to match close-packed planes, tin was found to make five orientation relationships (ORs) described here. These ORs try to match planes which are closest-packed or close-packed with matching spacings. This demonstrates the ability to form matching interfaces in a variety of orientations.