BaScTe2
BaScTe2 is a stable semiconducting ternary compound composed of barium, scandium, and tellurium.
About BaScTe2
BaScTe2 is a distinct ternary chalcogenide that exhibits semiconducting behavior. Its position on the thermodynamic convex hull highlights its inherent stability, making it a reliable candidate for materials research and structural investigation. The compound is characterized by a well-documented structural landscape across multiple databases, reflecting significant interest in its atomic arrangement. As a stable semiconductor, it serves as a foundational material for exploring complex electronic interactions within the barium-scandium-tellurium system. Its robust nature and predictable phase behavior are essential for researchers aiming to integrate such chalcogenides into specialized electronic or optoelectronic devices.
Key Properties
Cross-validated computational properties for BaScTe2, 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 BaScTe2, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 0.51 | 0.0000 | -5.522 | 5.56 |
| — | — | — | — | — | 4.87 |
| — | — | — | — | — | — |
| — | — | — | — | — | 5.95 |
| — | — | — | — | — | 5.74 |
| — | — | — | — | — | — |
Applications
Where BaScTe2 is used.
Frequently Asked Questions
Common questions about BaScTe2, answered from cross-validated data.
What is BaScTe2?
BaScTe2 is a stable semiconducting ternary compound composed of barium, scandium, and tellurium.
What is BaScTe2 used for?
What is the band gap of BaScTe2?
Is BaScTe2 a metal, semiconductor, or insulator?
Is BaScTe2 thermodynamically stable?
What is the crystal structure of BaScTe2?
What is the density of BaScTe2?
How many polymorphs of BaScTe2 are known?
What elements does BaScTe2 contain?
Where does the data for BaScTe2 come from?
How It Compares
As a thermodynamically stable member of this ternary system, BaScTe2 represents a key point of interest for researchers investigating the interplay between heavy alkaline earth metals and transition metal chalcogenides. It functions as a primary reference point for understanding the structural diversity and electronic potential of similar complex tellurides.
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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