Cd2Te2
Cd2Te2 has a DFT band gap of 0.02–0.62 eV across 57 reported structures in 22 space groups. Cross-validated across 5 computational databases.
At a glance
Key Properties
Cross-validated computational properties for Cd2Te2, aggregated across 5 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.
0.02–0.62 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)
3 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
57
5 databases, 22 space groups
Synthesis
Synthesis Routes
Literature-extracted synthesis procedures targeting Cd2Te2.
Solid State
Procedure available · ceder_solid_state
Reference
Frequently Asked Questions
Common questions about Cd2Te2, answered from cross-validated data.
What is the band gap of Cd2Te2?
Cd2Te2 has a DFT-computed band gap of 0.02–0.62 eV across 57 reported structures.
More questions
Is Cd2Te2 a metal, semiconductor, or insulator?
With a band gap up to 0.62 eV it is a semiconductor.
Is Cd2Te2 thermodynamically stable?
Yes — Cd2Te2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Cd2Te2 are known?
57 structures of Cd2Te2 are reported across 5 databases, spanning 22 distinct space groups.
How is Cd2Te2 synthesized?
Literature-reported routes for Cd2Te2 include solid state.
What elements does Cd2Te2 contain?
Cd2Te2 contains Cd and Te (2 elements).
Where does the data for Cd2Te2 come from?
Cd2Te2 data is cross-referenced from latticegraph.
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Related Compounds
Other II-VI Semiconductors in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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