Te2Tl1Y1
Te2Tl1Y1 is a thermodynamically stable semiconducting compound containing tellurium, thallium, and yttrium.
About Te2Tl1Y1
Te2Tl1Y1 is a distinct ternary compound composed of tellurium, thallium, and yttrium. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions.
This material exhibits semiconducting electronic characteristics, making it a subject of interest for fundamental studies in solid-state physics. Its complex structural profile, supported by multiple reported configurations, highlights its versatility as a candidate for specialized electronic and optoelectronic material development.
Key Properties
Cross-validated computational properties for Te2Tl1Y1, 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 Te2Tl1Y1, 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 | 0.73 | 0.0000 | -5.058 | 6.51 |
| P4mm (No. 99) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
Applications
Where Te2Tl1Y1 is used.
Frequently Asked Questions
Common questions about Te2Tl1Y1, answered from cross-validated data.
What is Te2Tl1Y1?
Te2Tl1Y1 is a thermodynamically stable semiconducting compound containing tellurium, thallium, and yttrium.
What is Te2Tl1Y1 used for?
What is the band gap of Te2Tl1Y1?
Is Te2Tl1Y1 a metal, semiconductor, or insulator?
Is Te2Tl1Y1 thermodynamically stable?
What is the crystal structure of Te2Tl1Y1?
What is the density of Te2Tl1Y1?
How many polymorphs of Te2Tl1Y1 are known?
What elements does Te2Tl1Y1 contain?
Where does the data for Te2Tl1Y1 come from?
How It Compares
As a unique ternary system, Te2Tl1Y1 serves as a foundational example of how heavy metal and rare-earth elements can integrate into stable semiconducting frameworks. Without direct structural siblings in this specific class, it stands as a singular reference point for investigating the interplay between its constituent elements.
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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