Al <sub>48.18</sub> Cr <sub>22.78</sub> Fe <sub>4.04</sub> Si <sub>3</sub>
A mixture with the initial chemical composition Al<sub>59</sub>Cr<sub>21</sub>Fe<sub>10</sub>Si<sub>10</sub> was subjected to high-pressure sinter-ing, resulting in the unexpected synthesis of an inter-metallic compound with the composition Al<sub>48.18</sub>Cr<sub>22.78</sub>Fe<sub>4.04</sub>Si<sub>3</sub>, which adopts the Cr<sub>0.88</sub>Fe<sub>0.12</sub>Ga structure type in the space group <i>R</i>3<i>m</i>. Structural analysis indicates that Al, Cr and Fe jointly occupy a special position (Wyckoff site 18<i>h</i>), with refined site occupancy factors of 0.676 (6), 0.17 (2) and 0.16 (2), respectively. Cr and Fe share another special position (Wyckoff site 3<i>b</i>), with refined site occupancy factors of 0.60 (6) and 0.40 (6), respectively. Other atoms in the crystal (Al and Si) fully occupy their sites.
Authors
- Changzeng Fan (ORCID: https://orcid.org/0000-0001-6727-5912)
- Bin Wen (ORCID: https://orcid.org/0000-0001-9846-5452)
- Xinyu Liang
- Lifeng Zhang (ORCID: https://orcid.org/0000-0001-7394-5433)
Institutions
- North China University of Technology (CN)
- Yanshan University (CN)
Publication Details
- Journal
- IUCrData
- Published
- 2025-11-20
- DOI
- https://doi.org/10.1107/s2414314625010399
- Primary Topic
- Intermetallics and Advanced Alloy Properties
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Natural Science Foundation of China