Cd2Na1Pd1
Cd2Na1Pd1 is a semiconducting intermetallic alloy composed of cadmium, sodium, and palladium that serves as a candidate material for catalytic applications.
About Cd2Na1Pd1
Cd2Na1Pd1 is a specialized intermetallic compound belonging to the platinum-group alloy catalyst class. Characterized by its semiconducting electronic nature, this material represents a unique intersection of noble metal chemistry and alkali metal integration, offering distinct structural properties for catalytic research.
As a near-hull stable phase, this compound is considered a viable candidate for experimental synthesis. Its existence within a rich structural landscape highlights its potential utility in developing sophisticated catalytic surfaces where precise electronic tuning is required for chemical transformations.
Key Properties
Cross-validated computational properties for Cd2Na1Pd1, 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 Cd2Na1Pd1, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 0.00 | 0.0118 | -2.310 | 7.75 |
| Immm (No. 71) | orthorhombic | 0.32 | 1.0701 | -1.252 | 0.46 |
| P4mm (No. 99) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Cd2Na1Pd1 is used.
Patent Landscape
2 patents reference Cd2Na1Pd1 or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 8248032 | Charging system for prioritizing load consumption in a notebook computer | — | — |
| 8263193 | Vacuum treatment method | — | — |
Frequently Asked Questions
Common questions about Cd2Na1Pd1, answered from cross-validated data.
What is Cd2Na1Pd1?
Cd2Na1Pd1 is a semiconducting intermetallic alloy composed of cadmium, sodium, and palladium that serves as a candidate material for catalytic applications.
What is Cd2Na1Pd1 used for?
What is the band gap of Cd2Na1Pd1?
Is Cd2Na1Pd1 a metal, semiconductor, or insulator?
Is Cd2Na1Pd1 thermodynamically stable?
What is the crystal structure of Cd2Na1Pd1?
What is the density of Cd2Na1Pd1?
How many polymorphs of Cd2Na1Pd1 are known?
What elements does Cd2Na1Pd1 contain?
Where does the data for Cd2Na1Pd1 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse family of platinum-group alloys, Cd2Na1Pd1 occupies a niche position compared to more conventional phases like BaPd or LaRh. While many members of this class are metallic, the semiconducting character of Cd2Na1Pd1 distinguishes it from its peers, providing a different electronic framework for surface interactions than the typical transition metal-heavy compositions found in As2Pt or GeRu.
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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