Ca28Ge4N24
Ca28Ge4N24 is a semiconducting calcium germanium nitride that is theoretically stable enough to be synthesized for research purposes.
About Ca28Ge4N24
Ca28Ge4N24 is a complex ternary nitride composed of calcium, germanium, and nitrogen. Its electronic character as a semiconductor suggests it may possess unique optoelectronic properties suitable for specialized technological applications.
As a near-hull stable material, this compound is considered a strong candidate for experimental synthesis. Its structural complexity and composition place it within a niche category of nitrides that are currently being investigated for their potential in next-generation solid-state devices.
Key Properties
Cross-validated computational properties for Ca28Ge4N24, 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 Ca28Ge4N24, 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. |
|---|---|---|---|---|---|
| Pbcn (No. 60) | orthorhombic | 1.70 | 0.0065 | -9.405 | 3.25 |
| Pbcn (No. 60) | — | — | — | — | — |
| — | — | — | — | — | 3.25 |
Applications
Where Ca28Ge4N24 is used.
Frequently Asked Questions
Common questions about Ca28Ge4N24, answered from cross-validated data.
What is Ca28Ge4N24?
Ca28Ge4N24 is a semiconducting calcium germanium nitride that is theoretically stable enough to be synthesized for research purposes.
What is Ca28Ge4N24 used for?
What is the band gap of Ca28Ge4N24?
Is Ca28Ge4N24 a metal, semiconductor, or insulator?
Is Ca28Ge4N24 thermodynamically stable?
What is the crystal structure of Ca28Ge4N24?
What is the density of Ca28Ge4N24?
How many polymorphs of Ca28Ge4N24 are known?
What elements does Ca28Ge4N24 contain?
Where does the data for Ca28Ge4N24 come from?
How It Compares
As a relatively rare ternary nitride, Ca28Ge4N24 occupies a unique position in materials science where its structural stability and electronic behavior are still being mapped. Unlike more common binary nitrides, this compound represents a more intricate chemical system that offers researchers a distinct pathway for exploring complex semiconductor architectures.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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