As4Pt2Rb4
As4Pt2Rb4 is a thermodynamically stable, semiconducting intermetallic compound composed of arsenic, platinum, and rubidium.
About As4Pt2Rb4
As4Pt2Rb4 is a complex intermetallic compound belonging to the platinum-group alloy class. Characterized by its semiconducting electronic nature, this material sits on the convex hull, indicating high thermodynamic stability under standard conditions. Its unique atomic arrangement reflects the sophisticated bonding interactions typical of alkali-metal-doped platinum arsenides.
This compound is of significant interest in materials science due to its stable crystalline configuration and distinct electronic properties. As a member of a group often investigated for catalytic potential, it serves as a model system for understanding how the integration of alkali metals like rubidium can tune the electronic environment of platinum-based frameworks.
Key Properties
Cross-validated computational properties for As4Pt2Rb4, aggregated across 3 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.
Applications
Where As4Pt2Rb4 is used.
Frequently Asked Questions
Common questions about As4Pt2Rb4, answered from cross-validated data.
What is As4Pt2Rb4?
As4Pt2Rb4 is a thermodynamically stable, semiconducting intermetallic compound composed of arsenic, platinum, and rubidium.
What is As4Pt2Rb4 used for?
What is the band gap of As4Pt2Rb4?
Is As4Pt2Rb4 a metal, semiconductor, or insulator?
Is As4Pt2Rb4 thermodynamically stable?
How many polymorphs of As4Pt2Rb4 are known?
What elements does As4Pt2Rb4 contain?
Where does the data for As4Pt2Rb4 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse landscape of platinum-group alloys, As4Pt2Rb4 stands out for its specific stoichiometry compared to simpler binary systems like As2Pt. While many siblings in this class, such as As2Ir or P3Ru, focus on transition metal-metalloid bonding, the inclusion of rubidium in As4Pt2Rb4 shifts the electronic landscape toward semiconducting behavior, distinguishing it from more metallic-leaning counterparts like BaPd or LaRh.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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