MgTa2O6
Magnesium tantalate · Magnesium ditantalum hexaoxide
Magnesium tantalate is a ceramic oxide material known for its stable dielectric properties. It is primarily utilized in the electronics industry for the development of high-frequency components and microwave devices.
MgOTa
Overview
Key Properties
Cross-validated computational properties for Magnesium tantalate, 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.
2.84–3.09 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.
10
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for MgTa2O6, 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. |
|---|---|---|---|---|---|
| P42/mnm (No. 136) | tetragonal | 2.84 | 0.0000 | -9.443 | 7.79 |
| Pmn21 (No. 31) | orthorhombic | 3.09 | 0.0612 | -9.381 | 7.30 |
| Pmn21 (No. 31) | Orthorhombic | — | — | — | 7.30 |
| Pmn21 (No. 31) | Orthorhombic | — | — | — | 7.80 |
| Pmn21 (No. 31) | Orthorhombic | — | — | — | 7.48 |
| P42/mnm (No. 136) | Tetragonal | — | — | — | 7.57 |
| P42/mnm (No. 136) | Tetragonal | — | — | — | 8.08 |
| P42/mnm (No. 136) | Tetragonal | — | — | — | 7.74 |
| P42/mnm (No. 136) | — | — | — | — | — |
| Pmn21 (No. 31) | — | — | — | — | — |
Synthesis
Synthesis Routes
Literature-extracted synthesis procedures targeting MgTa2O6.
Sol-Gel
Procedure available · ceder_solid_state
Uses
Applications
Where Magnesium tantalate is used.
Microwave resonatorsDielectric ceramicsElectronic filtersCapacitor components
Reference
Frequently Asked Questions
Common questions about Magnesium tantalate, answered from cross-validated data.
What is MgTa2O6?
Magnesium tantalate is a ceramic oxide material known for its stable dielectric properties. It is primarily utilized in the electronics industry for the development of high-frequency components and microwave devices.
What is MgTa2O6 used for?
Magnesium tantalate (MgTa2O6) is used in microwave resonators, dielectric ceramics, electronic filters, and capacitor components.
What is the band gap of MgTa2O6?
Magnesium tantalate (MgTa2O6) has a DFT-computed band gap of 2.84–3.09 eV across 10 reported structures.
Is MgTa2O6 a metal, semiconductor, or insulator?
With a wide band gap up to 3.09 eV it is an insulator / wide-band-gap material.
Is MgTa2O6 thermodynamically stable?
Yes — Magnesium tantalate (MgTa2O6) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of MgTa2O6?
The lowest-energy reported polymorph of Magnesium tantalate (MgTa2O6) is tetragonal symmetry, space group P42/mnm (No. 136).
What is the density of MgTa2O6?
The computed density of the ground-state structure of Magnesium tantalate (MgTa2O6) is 7.79 g/cm³.
How many polymorphs of MgTa2O6 are known?
10 structures of MgTa2O6 are reported across 3 databases, spanning 2 distinct space groups.
How is MgTa2O6 synthesized?
Literature-reported routes for MgTa2O6 include sol-gel.
What elements does MgTa2O6 contain?
Magnesium tantalate (MgTa2O6) contains Mg, O, and Ta (3 elements).
Where does the data for MgTa2O6 come from?
MgTa2O6 data is cross-referenced from materials_project, mpaloe, jarvis.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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