CdGeN2
CdGeN2 is a thermodynamically stable semiconducting ternary nitride used in advanced materials research.
About CdGeN2
CdGeN2 is a complex ternary nitride that exists as a thermodynamically stable phase, sitting securely on the convex hull of its constituent elements. Its electronic character as a semiconductor makes it a subject of significant interest for researchers investigating new materials for optoelectronic and power applications.
With multiple reported structures documented across various databases, this compound represents a well-characterized entry in the field of ternary nitrides. Its stability and semiconducting nature provide a robust foundation for exploring its utility in high-performance device architectures.
Key Properties
Cross-validated computational properties for CdGeN2, aggregated across 4 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 CdGeN2, 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. |
|---|---|---|---|---|---|
| Pna21 (No. 33) | orthorhombic | 0.96 | 0.0000 | -13.178 | 6.69 |
| I-42d (No. 122) | tetragonal | 0.74 | 0.0099 | -13.168 | 6.73 |
| Pbca (No. 61) | orthorhombic | 0.77 | 0.0669 | -13.111 | 6.47 |
| I-42d (No. 122) | — | — | — | — | — |
| P2/c (No. 13) | Monoclinic | — | — | — | 4.37 |
| P2/c (No. 13) | Monoclinic | — | — | — | 6.12 |
| P2/c (No. 13) | Monoclinic | — | — | — | 4.62 |
| — | — | — | — | — | 6.04 |
| — | — | — | — | — | 7.12 |
Applications
Where CdGeN2 is used.
Frequently Asked Questions
Common questions about CdGeN2, answered from cross-validated data.
What is CdGeN2?
CdGeN2 is a thermodynamically stable semiconducting ternary nitride used in advanced materials research.
What is CdGeN2 used for?
What is the band gap of CdGeN2?
Is CdGeN2 a metal, semiconductor, or insulator?
Is CdGeN2 thermodynamically stable?
What is the crystal structure of CdGeN2?
What is the density of CdGeN2?
How many polymorphs of CdGeN2 are known?
What elements does CdGeN2 contain?
Where does the data for CdGeN2 come from?
How It Compares
As a distinct ternary nitride, CdGeN2 occupies a unique position in materials science research, serving as a benchmark for stability and electronic performance within its structural family.
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.
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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