Sr4GeN4
Sr4GeN4 is a semiconducting ternary nitride compound that is considered a likely candidate for successful laboratory synthesis.
About Sr4GeN4
Sr4GeN4 is a complex nitride featuring strontium, germanium, and nitrogen. As a semiconducting material, it occupies a unique position in solid-state chemistry, offering potential for electronic and optoelectronic applications where specific band structures are required. Its structural complexity is evidenced by multiple reported configurations across various databases. Being situated near the thermodynamic hull suggests that this compound is likely synthesizable under appropriate laboratory conditions, positioning it as a viable target for experimental investigation. Its stability profile makes it an intriguing subject for researchers exploring non-oxide semiconductors.
Key Properties
Cross-validated computational properties for Sr4GeN4, 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 Sr4GeN4, 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. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 0.98 | 0.0142 | -5.723 | 4.75 |
| Pnna (No. 52) | orthorhombic | 0.65 | 0.0850 | -5.652 | 4.38 |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.75 |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.88 |
| P-1 (No. 2) | — | — | — | — | — |
| C2/c (No. 15) | Monoclinic | — | — | — | 4.83 |
Applications
Where Sr4GeN4 is used.
Frequently Asked Questions
Common questions about Sr4GeN4, answered from cross-validated data.
What is Sr4GeN4?
Sr4GeN4 is a semiconducting ternary nitride compound that is considered a likely candidate for successful laboratory synthesis.
What is Sr4GeN4 used for?
What is the band gap of Sr4GeN4?
Is Sr4GeN4 a metal, semiconductor, or insulator?
Is Sr4GeN4 thermodynamically stable?
What is the crystal structure of Sr4GeN4?
What is the density of Sr4GeN4?
How many polymorphs of Sr4GeN4 are known?
What elements does Sr4GeN4 contain?
Where does the data for Sr4GeN4 come from?
How It Compares
As a relatively specialized nitride, Sr4GeN4 represents a distinct structural motif within the broader landscape of strontium-germanium-nitrogen compounds. While it lacks direct siblings in this specific dataset, it serves as a critical reference point for understanding the phase stability and electronic behavior of complex ternary nitrides that do not follow simple stoichiometric patterns.
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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