SeTeZn2
SeTeZn2 is a metastable semiconducting compound composed of zinc, selenium, and tellurium used in advanced materials research.
About SeTeZn2
SeTeZn2 is a complex chalcogenide compound featuring zinc, selenium, and tellurium. As a semiconducting material, it sits at the intersection of binary zinc-chalcogenide systems, offering unique electronic characteristics derived from its mixed-anion lattice structure. It is currently categorized as a metastable phase, which makes it a subject of significant interest for researchers studying phase stability and synthesis pathways for novel optoelectronic materials. The existence of multiple reported structures highlights its structural flexibility and the complexity of its bonding environment. This compound is primarily utilized in fundamental materials science research to explore the behavior of multi-anion semiconductors and to test predictive models for metastable phase formation. Its potential utility lies in the development of specialized thin-film technologies where precise control over electronic properties is required.
Key Properties
Cross-validated computational properties for SeTeZn2, aggregated across 3 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 SeTeZn2, 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. |
|---|---|---|---|---|---|
| R3m (No. 160) | trigonal | 0.51 | 0.0276 | -3.080 | 5.26 |
| — | — | — | — | — | 5.30 |
| — | — | — | — | — | — |
| — | — | — | — | — | 4.76 |
| — | — | — | — | — | — |
Applications
Where SeTeZn2 is used.
Frequently Asked Questions
Common questions about SeTeZn2, answered from cross-validated data.
What is SeTeZn2?
SeTeZn2 is a metastable semiconducting compound composed of zinc, selenium, and tellurium used in advanced materials research.
What is SeTeZn2 used for?
What is the band gap of SeTeZn2?
Is SeTeZn2 a metal, semiconductor, or insulator?
Is SeTeZn2 thermodynamically stable?
What is the crystal structure of SeTeZn2?
What is the density of SeTeZn2?
How many polymorphs of SeTeZn2 are known?
What elements does SeTeZn2 contain?
Where does the data for SeTeZn2 come from?
How It Compares
As a multi-anion zinc chalcogenide, SeTeZn2 represents a specialized case within the broader family of zinc-based semiconductors. Unlike more common binary compounds, this material exhibits unique structural complexity due to the coexistence of selenium and tellurium within the same lattice, positioning it as a distinct subject for those investigating the limits of thermodynamic stability in ternary chalcogenide systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- alexandria — Data from alexandria.
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