Mg1Pb1Pd2
Mg1Pb1Pd2 is a semiconducting ternary alloy composed of magnesium, lead, and palladium that is investigated for its potential role in catalytic applications.
About Mg1Pb1Pd2
Mg1Pb1Pd2 is a complex ternary alloy belonging to the platinum-group catalyst class. Characterized by its semiconducting electronic nature, this material represents a unique intersection of magnesium, lead, and palladium chemistry within solid-state systems. Its structural diversity is highlighted by numerous reported configurations in crystallographic databases, reflecting the intricate bonding environments possible in these metallic alloys. Although it is currently classified as thermodynamically unstable relative to the ground state, its existence in multiple structural forms makes it a subject of interest for fundamental materials research. The compound is primarily studied for its potential in specialized catalytic processes where specific electronic band structures are required to facilitate chemical transformations. By leveraging the interplay between the noble metal palladium and the surrounding elements, researchers investigate its utility in environments that demand precise surface reactivity.
Key Properties
Cross-validated computational properties for Mg1Pb1Pd2, 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 Mg1Pb1Pd2, 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 | 0.51 | 1.8123 | -2.607 | 0.73 |
| P4mm (No. 99) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
Applications
Where Mg1Pb1Pd2 is used.
Frequently Asked Questions
Common questions about Mg1Pb1Pd2, answered from cross-validated data.
What is Mg1Pb1Pd2?
Mg1Pb1Pd2 is a semiconducting ternary alloy composed of magnesium, lead, and palladium that is investigated for its potential role in catalytic applications.
What is Mg1Pb1Pd2 used for?
What is the band gap of Mg1Pb1Pd2?
Is Mg1Pb1Pd2 a metal, semiconductor, or insulator?
Is Mg1Pb1Pd2 thermodynamically stable?
What is the crystal structure of Mg1Pb1Pd2?
What is the density of Mg1Pb1Pd2?
How many polymorphs of Mg1Pb1Pd2 are known?
What elements does Mg1Pb1Pd2 contain?
Where does the data for Mg1Pb1Pd2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the broader family of platinum-group alloys, Mg1Pb1Pd2 occupies a distinct position compared to more conventional metallic phases like BaPd or GeRu. While many members of this class exhibit robust metallic behavior, Mg1Pb1Pd2 stands out due to its semiconducting character, which differentiates it from the highly conductive nature typically associated with noble metal-based intermetallics.
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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