NdNi2
NdNi2 is a metallic intermetallic compound formed from neodymium and nickel that is recognized for its structural diversity and potential for experimental synthesis.
About NdNi2
NdNi2 is a metallic intermetallic compound composed of neodymium and nickel. As a material that sits near the thermodynamic stability hull, it represents a significant candidate for experimental synthesis and structural investigation within the broader family of rare-earth nickel alloys. Its metallic electronic character suggests high conductivity, making it a subject of interest for fundamental studies in magnetism and solid-state physics. The compound is well-documented across multiple structural databases, highlighting its prominence as a stable phase for researchers exploring complex intermetallic systems. Its ability to adopt various structural configurations underscores its versatility in materials science applications.
Key Properties
Cross-validated computational properties for NdNi2, aggregated across 5 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 NdNi2. 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 NdNi2 is used.
Frequently Asked Questions
Common questions about NdNi2, answered from cross-validated data.
What is NdNi2?
NdNi2 is a metallic intermetallic compound formed from neodymium and nickel that is recognized for its structural diversity and potential for experimental synthesis.
What is NdNi2 used for?
What is the band gap of NdNi2?
Is NdNi2 a metal, semiconductor, or insulator?
Is NdNi2 thermodynamically stable?
How many polymorphs of NdNi2 are known?
What elements does NdNi2 contain?
Where does the data for NdNi2 come from?
How It Compares
As a member of the rare-earth nickel intermetallic class, NdNi2 serves as a foundational example of how lanthanide elements influence the structural and electronic properties of transition metal alloys. It occupies a unique position in the phase space of these compounds, providing a critical reference point for understanding the interplay between localized f-electrons and itinerant d-band electrons in metallic systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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