GeO3Te
This compound is a tellurite-based inorganic material containing germanium. It is primarily studied for its structural properties and potential utility in advanced optical or electronic material research.
GeOTe
Overview
Key Properties
Cross-validated computational properties for GeO3Te, 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.
3.89 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.
0.019 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.
Near hull (likely stable)
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
3 databases, 3 space groups
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of GeO3Te. 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.
1
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 GeO3Te, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 3.89 | 0.0185 | -6.208 | 5.43 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.7278 | -5.537 | 6.94 |
| — | — | — | — | — | 6.90 |
| No. 0 | unknown | — | — | — | 1.55 |
Uses
Applications
Where GeO3Te is used.
Materials science researchOptical glass developmentSolid-state chemistry studies
Reference
Frequently Asked Questions
Common questions about GeO3Te, answered from cross-validated data.
What is GeO3Te?
This compound is a tellurite-based inorganic material containing germanium. It is primarily studied for its structural properties and potential utility in advanced optical or electronic material research.
More questions
What is GeO3Te used for?
GeO3Te is used in materials science research, optical glass development, and solid-state chemistry studies.
What is the band gap of GeO3Te?
GeO3Te has a DFT-computed band gap of 3.89 eV across 4 reported structures.
Is GeO3Te a metal, semiconductor, or insulator?
With a wide band gap up to 3.89 eV it is an insulator / wide-band-gap material.
Is GeO3Te thermodynamically stable?
GeO3Te has a lowest energy above hull of 0.019 eV/atom (near hull (likely stable)).
What is the crystal structure of GeO3Te?
The lowest-energy reported polymorph of GeO3Te is monoclinic symmetry, space group P21/c (No. 14).
What is the density of GeO3Te?
The computed density of the ground-state structure of GeO3Te is 5.43 g/cm³.
How many polymorphs of GeO3Te are known?
4 structures of GeO3Te are reported across 3 databases, spanning 3 distinct space groups.
What elements does GeO3Te contain?
GeO3Te contains Ge, O, and Te (3 elements).
Where does the data for GeO3Te come from?
GeO3Te data is cross-referenced from materials_project, omat24, cod.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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