Composition rule for Al–transition metal binary quasicrystals
Source abstract
Abstract
Compositions of Al–transition metal (TM) binary quasicrystals are revisited using the cluster-plus-glue-atom model. These compositions all conform to a unified cluster formula [icosahedron](glue)1, where the icosahedron is taken from a crystalline approximant. In a given binary system, icosahedral and decagonal quasicrystals are expressed by the same icosahedron but glued, respectively, by one Al and one TM, and their e/a ratios fall close to 1.86 and 1.71–1.79, respectively. Their relative stabilities are discussed by referring to compositions satisfying the fully filled TM-3d states according to Häussler's resonance model.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Quasicrystal Structures and Properties · X-ray Diffraction in Crystallography · Mineralogy and Gemology Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
a Key Laboratory of Materials Modification (Ministry of Education) , Dalian University of Technology , Dalian 116024, China; International Centre for Materials Physics, Chinese Academy of Sciences, Shenyang, 110016 , China
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