Mg3TeO6

Mg3TeO6 is a thermodynamically stable, semiconducting magnesium tellurate used in materials research.

MgOTe
Crystal structure of Mg3TeO6 (trigonal, R-3 (No. 148))
Ground-state structure · Materials Project
Overview

About Mg3TeO6

Mg3TeO6 is a thermodynamically stable ternary oxide that sits firmly on the convex hull, indicating robust structural integrity. As a semiconducting material, it represents a specialized class of tellurates that are of significant interest for fundamental solid-state research and potential electronic applications.

Given its status as a well-documented compound with multiple reported structural configurations, Mg3TeO6 serves as a stable platform for investigating the interplay between magnesium and tellurium in an oxygen-coordinated lattice. Its electronic character makes it a candidate for further exploration in functional materials where stable, semiconducting behavior is required.

At a glance

Key Properties

Cross-validated computational properties for Mg3TeO6, aggregated across 3 databases.

Band Gap

1.76–3.29 eV
Range across DFT structures · ground state: insulator

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

Stable
3 DFT sources

Structures

8
3 databases, 1 space group
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of Mg3TeO6. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: high

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, oqmd

Space Group Consensus

All match
Crystallography

Reported Structures

Lowest-energy structures reported for Mg3TeO6, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
——3.290.0000-2.397—
R-3 (No. 148)trigonal3.110.0000-2.332—
R-3 (No. 148)trigonal2.910.0000-6.3124.48
——3.200.0174-2.380—
——2.630.0232-2.374—
——1.760.5009-1.896—
R-3 (No. 148)trigonal———4.30
R-3 (No. 148)trigonal———4.44
R-3 (No. 148)trigonal———4.61
Uses

Applications

Where Mg3TeO6 is used.

Solid-state researchElectronic materials development
Reference

Frequently Asked Questions

Common questions about Mg3TeO6, answered from cross-validated data.

What is Mg3TeO6?

Mg3TeO6 is a thermodynamically stable, semiconducting magnesium tellurate used in materials research.

More questions
What is Mg3TeO6 used for?
Mg3TeO6 is used in solid-state research and electronic materials development.
What is the band gap of Mg3TeO6?
Mg3TeO6 has a DFT-computed band gap of 1.76–3.29 eV across 8 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is Mg3TeO6 a metal, semiconductor, or insulator?
DFT predicts a wide band gap of up to 3.29 eV (an insulator or wide-band-gap material).
Is Mg3TeO6 thermodynamically stable?
Yes — Mg3TeO6 sits on the convex hull (energy above hull 0 eV/atom), i.e. stable.
What is the crystal structure of Mg3TeO6?
The reference structure of Mg3TeO6 is trigonal symmetry, space group R-3 (No. 148).
How many polymorphs of Mg3TeO6 are known?
8 structures of Mg3TeO6 are reported across 3 databases, spanning 1 distinct space group.
What elements does Mg3TeO6 contain?
Mg3TeO6 contains Mg, O, and Te (3 elements).
Where does the data for Mg3TeO6 come from?
Mg3TeO6 data is cross-referenced from oqmd, jarvis, materials_project, mpaloe.
Comparison

How It Compares

As a stable member of the tellurate family, Mg3TeO6 occupies a distinct niche in solid-state chemistry. While it shares the general characteristics of metal tellurates, its specific stoichiometry and structural stability differentiate it from more common oxide insulators, positioning it as a unique subject for studying semiconducting behavior in complex ternary systems.

Data sources & attribution
  • oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
  • jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
  • materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
  • mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.

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