Cu1Hf2Tc1
Cu1Hf2Tc1 is a stable, semiconducting intermetallic compound composed of copper, hafnium, and technetium.
About Cu1Hf2Tc1
Cu1Hf2Tc1 is a distinct intermetallic compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of copper, hafnium, and technetium atoms.
This material is notable for its structural diversity, with numerous reported configurations recorded in materials databases. Its stability and electronic profile make it a subject of interest for fundamental research into complex ternary systems involving transition metals.
Key Properties
Cross-validated computational properties for Cu1Hf2Tc1, 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 Cu1Hf2Tc1, 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 | 0.0000 | -8.931 | 12.70 |
| Immm (No. 71) | orthorhombic | 0.25 | 3.5740 | -5.357 | 0.98 |
| Cm (No. 8) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Cu1Hf2Tc1, answered from cross-validated data.
What is Cu1Hf2Tc1?
Cu1Hf2Tc1 is a stable, semiconducting intermetallic compound composed of copper, hafnium, and technetium.
What is the band gap of Cu1Hf2Tc1?
Is Cu1Hf2Tc1 a metal, semiconductor, or insulator?
Is Cu1Hf2Tc1 thermodynamically stable?
What is the crystal structure of Cu1Hf2Tc1?
What is the density of Cu1Hf2Tc1?
How many polymorphs of Cu1Hf2Tc1 are known?
What elements does Cu1Hf2Tc1 contain?
Where does the data for Cu1Hf2Tc1 come from?
How It Compares
As a unique ternary intermetallic, Cu1Hf2Tc1 occupies a specialized niche in materials science, serving as a stable reference point for understanding the interplay between copper, hafnium, and technetium in semiconducting crystalline lattices.
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 Cu1Hf2Tc1 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →