Cu1Nb1Rh2
Cu1Nb1Rh2 is a semiconducting ternary intermetallic alloy containing copper, niobium, and rhodium.
About Cu1Nb1Rh2
Cu1Nb1Rh2 is a complex intermetallic compound categorized within the platinum-group alloy catalysts. As a semiconducting material, it represents a specialized electronic configuration that distinguishes it from the more common metallic conductors found in this class.
Due to its position above the thermodynamic hull, this compound is considered metastable, reflecting the intricate synthesis challenges associated with its formation. Its existence in structural databases highlights its role as a subject of interest in exploratory materials science research.
Key Properties
Cross-validated computational properties for Cu1Nb1Rh2, 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 Cu1Nb1Rh2, 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 | 0.17 | 2.9423 | -4.645 | 0.88 |
| Cm (No. 8) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
Applications
Where Cu1Nb1Rh2 is used.
Frequently Asked Questions
Common questions about Cu1Nb1Rh2, answered from cross-validated data.
What is Cu1Nb1Rh2?
Cu1Nb1Rh2 is a semiconducting ternary intermetallic alloy containing copper, niobium, and rhodium.
What is Cu1Nb1Rh2 used for?
What is the band gap of Cu1Nb1Rh2?
Is Cu1Nb1Rh2 a metal, semiconductor, or insulator?
Is Cu1Nb1Rh2 thermodynamically stable?
What is the crystal structure of Cu1Nb1Rh2?
What is the density of Cu1Nb1Rh2?
How many polymorphs of Cu1Nb1Rh2 are known?
What elements does Cu1Nb1Rh2 contain?
Where does the data for Cu1Nb1Rh2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse landscape of platinum-group alloys, Cu1Nb1Rh2 occupies a unique niche compared to more stable, binary-heavy counterparts like LaRh or GeRu. While many members of this class are characterized by high thermodynamic stability, Cu1Nb1Rh2 stands out as a more elusive, complex ternary phase that challenges standard predictive models for catalyst design.
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).
Analyze Cu1Nb1Rh2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →