CaCrN2
CaCrN2 is a metastable, semimetallic ternary nitride compound consisting of calcium, chromium, and nitrogen.
About CaCrN2
CaCrN2 is a ternary nitride compound composed of calcium, chromium, and nitrogen. As a near-zero-gap semimetallic material, it exhibits electronic behavior that bridges the gap between traditional semiconductors and metallic conductors, making it a subject of interest for fundamental condensed matter research. The compound is characterized as metastable, which presents unique challenges and opportunities for synthesis and structural characterization. With multiple reported structures across various databases, it represents a complex system that continues to be investigated for its potential in advanced materials applications.
Key Properties
Cross-validated computational properties for CaCrN2, 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.
Applications
Where CaCrN2 is used.
Frequently Asked Questions
Common questions about CaCrN2, answered from cross-validated data.
What is CaCrN2?
CaCrN2 is a metastable, semimetallic ternary nitride compound consisting of calcium, chromium, and nitrogen.
What is CaCrN2 used for?
What is the band gap of CaCrN2?
Is CaCrN2 a metal, semiconductor, or insulator?
Is CaCrN2 thermodynamically stable?
How many polymorphs of CaCrN2 are known?
What elements does CaCrN2 contain?
Where does the data for CaCrN2 come from?
How It Compares
As a ternary nitride, CaCrN2 occupies a specialized niche within the broader landscape of nitrogen-based compounds. While many nitrides are known for being wide-gap insulators or semiconductors, this compound is notable for its semimetallic nature, distinguishing it from more conventional, stable insulating nitrides that are typically employed in structural or optoelectronic roles.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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