Se2Ta
Se2Ta has a DFT band gap of 0.27 eV across 16 reported structures in 9 space groups. Cross-validated across 3 computational databases.
At a glance
Key Properties
Cross-validated computational properties for Se2Ta, 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.
0.27 eV
Range across DFT structures
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.
0.000 eV/atom
Best (lowest) across sources
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.
On hull (stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
16
3 databases, 9 space groups
Reference
Frequently Asked Questions
Common questions about Se2Ta, answered from cross-validated data.
What is the band gap of Se2Ta?
Se2Ta has a DFT-computed band gap of 0.27 eV across 16 reported structures.
More questions
Is Se2Ta a metal, semiconductor, or insulator?
With a band gap up to 0.27 eV it is a semiconductor.
Is Se2Ta thermodynamically stable?
Yes — Se2Ta sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Se2Ta are known?
16 structures of Se2Ta are reported across 3 databases, spanning 9 distinct space groups.
What elements does Se2Ta contain?
Se2Ta contains Se and Ta (2 elements).
Where does the data for Se2Ta come from?
Se2Ta data is cross-referenced from latticegraph.
Explore
Related Compounds
Other Transition-Metal Dichalcogenides in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze Se2Ta in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →