BeTe
beryllium telluride · BeTe
Beryllium telluride is a binary inorganic compound composed of beryllium and tellurium. It is a semiconductor material primarily studied for its potential use in specialized electronic and optoelectronic devices.
BeTe
Overview
Key Properties
Cross-validated computational properties for beryllium telluride, 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.
2.02–2.27 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.
104
4 databases, 23 space groups
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of BeTe. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
1.00 / 1.00
Trust tier: medium
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
0.000 eV
EAH spread across sources
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
2
jarvis, materials_project
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
All match
Crystallography
Reported Structures
Lowest-energy structures reported for BeTe, 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. |
|---|---|---|---|---|---|
| F-43m (No. 216) | cubic | 2.02 | 0.0000 | -4.012 | 5.00 |
| P63mc (No. 186) | hexagonal | 2.27 | 0.0058 | -4.006 | 4.98 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.85 |
| P21/m (No. 11) | Monoclinic | — | — | — | 4.61 |
| Pmma (No. 51) | Orthorhombic | — | — | — | 5.38 |
| P21/m (No. 11) | Monoclinic | — | — | — | 8.07 |
| P21/m (No. 11) | Monoclinic | — | — | — | 4.48 |
| P21/m (No. 11) | Monoclinic | — | — | — | 5.37 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.76 |
| P1 (No. 1) | Triclinic | — | — | — | 2.69 |
| P1 (No. 1) | Triclinic | — | — | — | 2.68 |
| P21/m (No. 11) | Monoclinic | — | — | — | 8.66 |
Uses
Applications
Where beryllium telluride is used.
semiconductor researchoptoelectronicsmaterials science studies
Reference
Frequently Asked Questions
Common questions about beryllium telluride, answered from cross-validated data.
What is BeTe?
Beryllium telluride is a binary inorganic compound composed of beryllium and tellurium. It is a semiconductor material primarily studied for its potential use in specialized electronic and optoelectronic devices.
More questions
What is BeTe used for?
beryllium telluride (BeTe) is used in semiconductor research, optoelectronics, and materials science studies.
What is the band gap of BeTe?
beryllium telluride (BeTe) has a DFT-computed band gap of 2.02–2.27 eV across 104 reported structures.
Is BeTe a metal, semiconductor, or insulator?
With a band gap up to 2.27 eV it is a semiconductor.
Is BeTe thermodynamically stable?
Yes — beryllium telluride (BeTe) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of BeTe?
The lowest-energy reported polymorph of beryllium telluride (BeTe) is cubic symmetry, space group F-43m (No. 216).
What is the density of BeTe?
The computed density of the ground-state structure of beryllium telluride (BeTe) is 5.00 g/cm³.
How many polymorphs of BeTe are known?
104 structures of BeTe are reported across 4 databases, spanning 23 distinct space groups.
What elements does BeTe contain?
beryllium telluride (BeTe) contains Be and Te (2 elements).
Where does the data for BeTe come from?
BeTe data is cross-referenced from materials_project, mpaloe, cod.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
Analyze BeTe in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →