Ce2In8Pt
Ce2In8Pt is a stable metallic ternary alloy composed of cerium, indium, and platinum.
About Ce2In8Pt
Ce2In8Pt is a metallic intermetallic compound belonging to the platinum-group alloy class. Its status as a thermodynamically stable phase on the convex hull makes it a significant subject for structural characterization and materials design. The compound is well-documented across multiple databases, reflecting its importance in understanding complex ternary alloy systems. Its metallic nature suggests potential utility in applications requiring high electrical conductivity or specific surface interactions typical of platinum-based catalysts. As a member of this diverse class, it contributes to the fundamental knowledge of how rare-earth elements like cerium influence the electronic and structural behavior of platinum-group alloys.
Key Properties
Cross-validated computational properties for Ce2In8Pt, aggregated across 5 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Ce2In8Pt, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P4/mmm (No. 123) | tetragonal | 0.00 | 0.0000 | -4.066 | 8.48 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 8.46 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 8.50 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 8.53 |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| — | — | — | — | — | 8.34 |
Applications
Where Ce2In8Pt is used.
Frequently Asked Questions
Common questions about Ce2In8Pt, answered from cross-validated data.
What is Ce2In8Pt?
Ce2In8Pt is a stable metallic ternary alloy composed of cerium, indium, and platinum.
What is Ce2In8Pt used for?
What is the band gap of Ce2In8Pt?
Is Ce2In8Pt a metal, semiconductor, or insulator?
Is Ce2In8Pt thermodynamically stable?
What is the crystal structure of Ce2In8Pt?
What is the density of Ce2In8Pt?
How many polymorphs of Ce2In8Pt are known?
What elements does Ce2In8Pt contain?
Where does the data for Ce2In8Pt come from?
How It Compares
Within the platinum-group alloy catalysts class.
Unlike simpler binary systems such as BaPd or LaRh, Ce2In8Pt features a more complex ternary arrangement that highlights the structural versatility of platinum-group alloys. While compounds like GeRu or Ga2Ru are frequently studied for their specific catalytic pathways, Ce2In8Pt stands out due to its high degree of structural stability and the unique electronic contributions provided by the cerium atoms within the indium-platinum framework.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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