PdPt
Palladium-platinum alloy
This binary metallic alloy combines palladium and platinum to create a material with enhanced catalytic and structural properties. It is frequently utilized in industrial processes that require high resistance to chemical degradation and efficient surface reactivity.
Key Properties
Cross-validated computational properties for PdPt, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of PdPt. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for PdPt, 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. |
|---|---|---|---|---|---|
| R-3m (No. 166) | trigonal | 0.00 | 0.0000 | -37.267 | 16.56 |
| C2/c (No. 15) | Monoclinic | — | — | — | 9.39 |
| No. 0 | unknown | — | — | — | 8.42 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 9.05 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 9.56 |
| P21/m (No. 11) | Monoclinic | — | — | — | 13.11 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 9.24 |
| P21/m (No. 11) | Monoclinic | — | — | — | 11.89 |
| Cmcm (No. 63) | Orthorhombic | — | — | — | 14.60 |
| R-3m (No. 166) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 8.47 |
| Cmce (No. 64) | Orthorhombic | — | — | — | 9.30 |
Applications
Where PdPt is used.
Frequently Asked Questions
Common questions about PdPt, answered from cross-validated data.
What is PdPt?
This binary metallic alloy combines palladium and platinum to create a material with enhanced catalytic and structural properties. It is frequently utilized in industrial processes that require high resistance to chemical degradation and efficient surface reactivity.
What is PdPt used for?
What is the band gap of PdPt?
Is PdPt a metal, semiconductor, or insulator?
Is PdPt thermodynamically stable?
What is the crystal structure of PdPt?
What is the density of PdPt?
How many polymorphs of PdPt are known?
What elements does PdPt contain?
Where does the data for PdPt come from?
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.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- 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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