ScSrTe2
ScSrTe2 is a semiconducting ternary telluride compound that is considered a likely candidate for successful experimental synthesis.
About ScSrTe2
ScSrTe2 is a complex ternary telluride compound characterized by its semiconducting electronic nature. Its position near the thermodynamic stability hull suggests that it is a viable target for laboratory synthesis and further experimental characterization within the broader family of chalcogenide materials.
As a material with multiple reported structural configurations across databases, ScSrTe2 represents an intriguing subject for solid-state chemistry research. Its potential for structural diversity and tunable electronic properties makes it a noteworthy candidate for investigations into advanced semiconductor applications.
Key Properties
Cross-validated computational properties for ScSrTe2, 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 ScSrTe2, 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 | 0.45 | 0.0044 | -5.458 | 5.15 |
| — | — | — | — | — | 4.92 |
| — | — | — | — | — | 5.47 |
| — | — | — | — | — | — |
| — | — | — | — | — | — |
Applications
Where ScSrTe2 is used.
Frequently Asked Questions
Common questions about ScSrTe2, answered from cross-validated data.
What is ScSrTe2?
ScSrTe2 is a semiconducting ternary telluride compound that is considered a likely candidate for successful experimental synthesis.
What is ScSrTe2 used for?
What is the band gap of ScSrTe2?
Is ScSrTe2 a metal, semiconductor, or insulator?
Is ScSrTe2 thermodynamically stable?
What is the crystal structure of ScSrTe2?
What is the density of ScSrTe2?
How many polymorphs of ScSrTe2 are known?
What elements does ScSrTe2 contain?
Where does the data for ScSrTe2 come from?
How It Compares
As an unclassified ternary telluride, ScSrTe2 occupies a unique niche in materials research. Without direct structural siblings in its immediate class, it serves as a foundational example of how scandium, strontium, and tellurium can organize into stable or near-stable architectures, providing a baseline for future exploration of similar rare-earth or alkaline-earth 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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