Year: 2025
Type: article
Abstract: A CaCu 1.424 Fe 0.576 Si 2 phase was obtained during high-pressure sintering of an Si-rich quasicrystal composition prealloy with the nominal chemical composition Si 61 Cu 30 Ca 7 Fe 2 . The obtained phase crystallizes in the space group I 4/ mmm (No. 139), with a = b = 4.041 Å and c = 10.010 Å. It is isotypic with CaCu 2 Si 2 ( a = b = 4.06 Å and c = 9.91 Å) [Palenzona et al. (1986). J. Less-Common Met. 119 , 199–209] and CaFe 2 Si 2 ( a = b = 3.94 Å and c = 10.19 Å) [Hlukhyy et al. (2012). Z. Anorg. Allg. Chem. 638 , 1619–1619]. It features a co-occupancy of Cu and Fe atoms with a ratio of the refined site-occupancy factors of 0.71 (15):0.29 (15).
Source: IUCrData
Authors: Yangkun Dai, Yibo Liu, Marek Mihalkovic, Bin Wen, Lifeng Zhang, Changzeng Fan
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $300
Awards: G1228328423, G2703231231, Nové nano / mikroštruktúrované kovové materiály pripravené nekonvenčnými spôsobmi spracovania, Nové zliatiny s viacerými základnými prvkami – dizajn, charakterizácia a vlastnosti, G4750107754, G6086161371, G6749396555, G7761450427, Riadenie vlastností kovových systémov modifikáciou štruktúry na atomárnej škále pomocou vnútorných a vonkajších faktorov, G961394434
OpenAlex ID: W4409554544