Nb2Sb
Nb2Sb is a metallic intermetallic compound composed of niobium and antimony that exhibits significant structural complexity.
About Nb2Sb
Nb2Sb is a metallic binary compound formed from niobium and antimony. As a metallic system, it exhibits characteristic electronic behavior associated with its elemental constituents, making it a subject of interest for fundamental studies in intermetallic bonding and structural diversity. Despite its complex structural landscape, which is evidenced by numerous reported configurations in computational databases, the compound is categorized as being thermodynamically unstable relative to its elemental components. This metastability suggests that its formation and persistence are highly dependent on specific synthesis conditions.
Key Properties
Cross-validated computational properties for Nb2Sb, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Nb2Sb. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Applications
Where Nb2Sb is used.
Frequently Asked Questions
Common questions about Nb2Sb, answered from cross-validated data.
What is Nb2Sb?
Nb2Sb is a metallic intermetallic compound composed of niobium and antimony that exhibits significant structural complexity.
What is Nb2Sb used for?
What is the band gap of Nb2Sb?
Is Nb2Sb a metal, semiconductor, or insulator?
Is Nb2Sb thermodynamically stable?
How many polymorphs of Nb2Sb are known?
What elements does Nb2Sb contain?
Where does the data for Nb2Sb come from?
How It Compares
As a unique binary intermetallic, Nb2Sb serves as a representative case study for the structural complexity inherent in niobium-antimony systems. Without direct structural siblings in this specific classification, it stands as an independent example of how metallic phases can manifest in high-entropy or metastable configurations within binary alloy space.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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