Mg2TiO4
magnesium orthotitanate · magnesium titanate
Magnesium orthotitanate is a stable, insulating ceramic oxide widely employed for its excellent dielectric properties in electronic applications.
About magnesium orthotitanate
Magnesium orthotitanate is a thermodynamically stable oxide that crystallizes in a spinel-type structure. As a wide-gap insulator, it exhibits excellent dielectric properties and chemical durability, making it a reliable material for demanding high-temperature environments.
Its structural versatility is highlighted by its presence across multiple databases, reflecting its importance in materials science research. It is primarily utilized in the development of ceramic capacitors and microwave resonators where stable insulating performance is required.
Key Properties
Cross-validated computational properties for magnesium orthotitanate, 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.
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.
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.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Mg2TiO4, 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. |
|---|---|---|---|---|---|
| P4122 (No. 91) | tetragonal | 3.40 | 0.0000 | -7.694 | 3.55 |
| P1 (No. 1) | triclinic | 3.29 | 0.0041 | -7.690 | 3.45 |
| C2 (No. 5) | monoclinic | 3.27 | 0.0058 | -7.688 | 3.45 |
| Imma (No. 74) | orthorhombic | 2.58 | 0.0204 | -7.674 | 3.45 |
| P4122 (No. 91) | — | — | — | — | — |
| P4122 (No. 91) | Tetragonal | — | — | — | 3.52 |
| P4122 (No. 91) | Tetragonal | — | — | — | 3.43 |
| Imma (No. 74) | Orthorhombic | — | — | — | 3.45 |
| Imma (No. 74) | Orthorhombic | — | — | — | 3.63 |
| P4122 (No. 91) | Tetragonal | — | — | — | 3.62 |
| Imma (No. 74) | Orthorhombic | — | — | — | 3.53 |
Synthesis Routes
Literature-extracted synthesis procedures targeting Mg2TiO4.
Applications
Where magnesium orthotitanate is used.
Frequently Asked Questions
Common questions about magnesium orthotitanate, answered from cross-validated data.
What is Mg2TiO4?
Magnesium orthotitanate is a stable, insulating ceramic oxide widely employed for its excellent dielectric properties in electronic applications.
What is Mg2TiO4 used for?
What is the band gap of Mg2TiO4?
Is Mg2TiO4 a metal, semiconductor, or insulator?
Is Mg2TiO4 thermodynamically stable?
What is the crystal structure of Mg2TiO4?
What is the density of Mg2TiO4?
How many polymorphs of Mg2TiO4 are known?
How is Mg2TiO4 synthesized?
What elements does Mg2TiO4 contain?
Where does the data for Mg2TiO4 come from?
How It Compares
As a prominent member of the magnesium-titanium-oxygen system, this compound serves as a foundational dielectric material, offering superior thermodynamic stability compared to many other complex oxides in its class.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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