Ag4Te2
Ag4Te2 has a DFT band gap of 0.07 eV across 37 reported structures in 18 space groups. Cross-validated across 4 computational databases.
At a glance
Key Properties
Cross-validated computational properties for Ag4Te2, aggregated across 4 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.
0.07 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.
37
4 databases, 18 space groups
Reference
Frequently Asked Questions
Common questions about Ag4Te2, answered from cross-validated data.
What is the band gap of Ag4Te2?
Ag4Te2 has a DFT-computed band gap of 0.07 eV across 37 reported structures.
More questions
Is Ag4Te2 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Ag4Te2 thermodynamically stable?
Yes — Ag4Te2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Ag4Te2 are known?
37 structures of Ag4Te2 are reported across 4 databases, spanning 18 distinct space groups.
What elements does Ag4Te2 contain?
Ag4Te2 contains Ag and Te (2 elements).
Where does the data for Ag4Te2 come from?
Ag4Te2 data is cross-referenced from latticegraph.
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Related Compounds
Other Phase-Change Memory Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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