NbNi
NbNi is a metallic intermetallic compound composed of niobium and nickel that is considered likely to be synthesizable.
About NbNi
NbNi is a metallic intermetallic compound formed from niobium and nickel. Its electronic character is defined by its metallic nature, lacking a band gap, which influences its behavior in various solid-state environments.
This material is recognized for being near the thermodynamic hull, suggesting that it is likely synthesizable under appropriate experimental conditions. With a significant number of reported structures across multiple databases, it remains a subject of interest for researchers investigating complex binary phase systems.
Key Properties
Cross-validated computational properties for NbNi, 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 NbNi. 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting NbNi.
Applications
Where NbNi is used.
Frequently Asked Questions
Common questions about NbNi, answered from cross-validated data.
What is NbNi?
NbNi is a metallic intermetallic compound composed of niobium and nickel that is considered likely to be synthesizable.
What is NbNi used for?
What is the band gap of NbNi?
Is NbNi a metal, semiconductor, or insulator?
Is NbNi thermodynamically stable?
How many polymorphs of NbNi are known?
How is NbNi synthesized?
What elements does NbNi contain?
Where does the data for NbNi come from?
How It Compares
As a binary intermetallic, NbNi serves as a representative example of the structural complexity found in niobium-nickel systems. While it does not belong to a strictly defined broader class in this context, its ability to adopt numerous structural configurations highlights the intricate bonding dynamics typical of transition metal alloys.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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