Mg7SiN6
Mg7SiN6 is a metastable ternary nitride semiconductor that serves as a specialized subject of study in materials science.

About Mg7SiN6
Mg7SiN6 is a complex nitride semiconductor characterized by its metastable nature. As a member of the nitride class, it represents an intriguing area of materials research where structural diversity is highlighted by its presence across multiple databases. Its electronic properties make it a subject of interest for those exploring non-traditional semiconductor architectures.
This material is primarily studied for its potential in specialized electronic applications where its specific coordination environment provides unique advantages. While it remains a less conventional choice compared to more established industrial nitrides, its structural configuration offers a distinct perspective on the behavior of magnesium-silicon-nitrogen systems.
Key Properties
Cross-validated computational properties for Mg7SiN6, 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 Mg7SiN6, 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. |
|---|---|---|---|---|---|
| Ibam (No. 72) | orthorhombic | 1.55 | 0.0782 | -5.709 | 2.88 |
| Ibam (No. 72) | — | — | — | — | — |
| Ibam (No. 72) | Orthorhombic | — | — | — | 3.00 |
| Ibam (No. 72) | Orthorhombic | — | — | — | 2.88 |
| Ibam (No. 72) | Orthorhombic | — | — | — | 2.94 |
Applications
Where Mg7SiN6 is used.
Frequently Asked Questions
Common questions about Mg7SiN6, answered from cross-validated data.
What is Mg7SiN6?
Mg7SiN6 is a metastable ternary nitride semiconductor that serves as a specialized subject of study in materials science.
What is Mg7SiN6 used for?
What is the band gap of Mg7SiN6?
Is Mg7SiN6 a metal, semiconductor, or insulator?
Is Mg7SiN6 thermodynamically stable?
What is the crystal structure of Mg7SiN6?
What is the density of Mg7SiN6?
How many polymorphs of Mg7SiN6 are known?
What elements does Mg7SiN6 contain?
Where does the data for Mg7SiN6 come from?
How It Compares
Within the nitride semiconductors class.
Unlike the widely utilized and highly stable binary nitrides such as GaN or AlN, Mg7SiN6 exists as a metastable phase. While GaN and InN are foundational to modern optoelectronics due to their robust stability and well-understood band structures, Mg7SiN6 represents a more niche, complex ternary system that requires careful synthesis control compared to the simpler, more common members of the nitride semiconductor class.
Related Compounds
Other Nitride Semiconductors in the database.
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.
Analyze Mg7SiN6 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →