Al1Be1Pt2
Al1Be1Pt2 is a semiconducting intermetallic alloy composed of aluminum, beryllium, and platinum, primarily studied for its structural properties within the platinum-group catalyst class.
About Al1Be1Pt2
Al1Be1Pt2 is a specialized intermetallic compound within the platinum-group alloy catalyst class. Characterized by its semiconducting electronic behavior, it represents a complex arrangement of aluminum, beryllium, and platinum atoms that has been documented across multiple structural configurations. While it sits above the thermodynamic hull, suggesting potential instability under standard conditions, its existence in structural databases highlights its interest in fundamental materials research. It serves as a subject of study for understanding how light elements like beryllium modulate the electronic properties of heavy platinum-group metal frameworks.
Key Properties
Cross-validated computational properties for Al1Be1Pt2, aggregated across 2 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 Al1Be1Pt2, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 1.47 | 2.3980 | -3.267 | 1.07 |
| C2/m (No. 12) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Al1Be1Pt2 is used.
Frequently Asked Questions
Common questions about Al1Be1Pt2, answered from cross-validated data.
What is Al1Be1Pt2?
Al1Be1Pt2 is a semiconducting intermetallic alloy composed of aluminum, beryllium, and platinum, primarily studied for its structural properties within the platinum-group catalyst class.
What is Al1Be1Pt2 used for?
What is the band gap of Al1Be1Pt2?
Is Al1Be1Pt2 a metal, semiconductor, or insulator?
Is Al1Be1Pt2 thermodynamically stable?
What is the crystal structure of Al1Be1Pt2?
What is the density of Al1Be1Pt2?
How many polymorphs of Al1Be1Pt2 are known?
What elements does Al1Be1Pt2 contain?
Where does the data for Al1Be1Pt2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, Al1Be1Pt2 occupies a distinct niche compared to more stable, well-characterized siblings like As2Pt or GeRu. While many members of this class exhibit metallic conductivity, Al1Be1Pt2 stands out for its semiconducting nature, reflecting the unique influence of its specific elemental composition on its electronic structure.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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