Keywords: Ho-Mg-ZnQuasicrystal.jpg en Ho-Mg-Zn dodecahedral quasicrystal grown by using the self-flux method excess Mg and slowly cooling from 700 C to 480 C The R-Mg-Zn family is the first rare-earth containing quasicrystal structure which allows the study of localized magnetic moments in a quasiperiodic environment Or Photograph of a single-grain icosahedral Ho-Mg-Zn quasicrystal grown from the ternary melt Shown over a mm scale the edges are 2 2 mm long Note the clearly defined pentagonal facets and the dodecahedral morphology in Phys Rev B 59 308 321 1999 http //cmp ameslab gov/personnel/canfield/photos html http //www ameslab gov/ AMES lab US Department of Energy Quasicrystals Photos of regular dodecahedra PD-USGov |