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Orthorhombic tau-Zn-Mg-Dy phase related to a Frank-Kasper type decagonal quasicrystal
1National Research Institute for Metals, 1-2-1 Sengen, Tsukuba 305-0047, Japan. abe@tamamori.nrim.go.jp
Acta Crystallographica. Section B, Structural Science
|September 28, 2000
Abstract:
We report a novel Zn-Mg-Dy phase, denoted as the tau-phase, whose structure is related to that of the Frank-Kasper type decagonal Zn-Mg-Dy phase, based on electron diffraction and high-resolution transmission electron microscopy studies. A plausible atomic model is proposed, which is constructed by two types of atomic clusters related to those in the Zn(7)Mg(4) crystalline compound.