Cu1Te2Y1
Cu1Te2Y1 is a semiconducting ternary compound that is theoretically stable enough to be synthesized for research into its electronic properties.
About Cu1Te2Y1
Cu1Te2Y1 is a ternary compound composed of copper, tellurium, and yttrium. As a semiconducting material that sits near the thermodynamic hull, it is considered a viable target for experimental synthesis and structural characterization.
Its electronic nature makes it an intriguing candidate for specialized semiconductor applications. With numerous reported structural variations, this compound offers a rich landscape for exploring how atomic arrangements influence its fundamental physical properties.
Key Properties
Cross-validated computational properties for Cu1Te2Y1, 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 Cu1Te2Y1, 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. |
|---|---|---|---|---|---|
| P2/m (No. 10) | monoclinic | 0.15 | 0.0129 | -5.323 | 6.03 |
| P3m1 (No. 156) | trigonal | 0.60 | 0.0205 | -5.315 | 5.96 |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
Applications
Where Cu1Te2Y1 is used.
Frequently Asked Questions
Common questions about Cu1Te2Y1, answered from cross-validated data.
What is Cu1Te2Y1?
Cu1Te2Y1 is a semiconducting ternary compound that is theoretically stable enough to be synthesized for research into its electronic properties.
What is Cu1Te2Y1 used for?
What is the band gap of Cu1Te2Y1?
Is Cu1Te2Y1 a metal, semiconductor, or insulator?
Is Cu1Te2Y1 thermodynamically stable?
What is the crystal structure of Cu1Te2Y1?
What is the density of Cu1Te2Y1?
How many polymorphs of Cu1Te2Y1 are known?
What elements does Cu1Te2Y1 contain?
Where does the data for Cu1Te2Y1 come from?
How It Compares
As a unique ternary phase within its chemical system, Cu1Te2Y1 serves as a foundational reference point for exploring the structural diversity of copper-telluride-yttrium compounds, providing a basis for future comparative studies in this material class.
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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