MgMnTe2
MgMnTe2 is a semiconducting ternary telluride compound that is theoretically predicted to be stable enough for laboratory synthesis.
About MgMnTe2
MgMnTe2 is a ternary telluride compound characterized by its semiconducting electronic structure. As a material that sits near the thermodynamic hull, it is considered a promising candidate for experimental synthesis and further characterization in solid-state research. Its composition of magnesium, manganese, and tellurium positions it as an intriguing subject for investigating magnetic and electronic coupling in chalcogenide systems. The compound is currently a subject of interest for researchers mapping out stable phases within complex multinary chemical spaces. Its potential utility lies in its ability to bridge the properties of its constituent elements, offering a unique platform for tuning carrier transport and magnetic behavior in semiconductor devices.
Key Properties
Cross-validated computational properties for MgMnTe2, 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 MgMnTe2, 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. |
|---|---|---|---|---|---|
| P-4m2 (No. 115) | tetragonal | 0.91 | 0.0031 | -4.954 | 4.22 |
| P-4m2 (No. 115) | — | — | — | — | — |
| — | — | — | — | — | 4.29 |
| — | — | — | — | — | 4.42 |
| — | — | — | — | — | 6.85 |
Applications
Where MgMnTe2 is used.
Frequently Asked Questions
Common questions about MgMnTe2, answered from cross-validated data.
What is MgMnTe2?
MgMnTe2 is a semiconducting ternary telluride compound that is theoretically predicted to be stable enough for laboratory synthesis.
What is MgMnTe2 used for?
What is the band gap of MgMnTe2?
Is MgMnTe2 a metal, semiconductor, or insulator?
Is MgMnTe2 thermodynamically stable?
What is the crystal structure of MgMnTe2?
What is the density of MgMnTe2?
How many polymorphs of MgMnTe2 are known?
What elements does MgMnTe2 contain?
Where does the data for MgMnTe2 come from?
How It Compares
As a relatively unexplored ternary telluride, MgMnTe2 represents a distinct point in the chemical space of magnesium-manganese-chalcogenides, serving as a foundational example for how these specific elements can be integrated into a stable, semiconducting lattice.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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