DyGa
DyGa is a thermodynamically stable metallic compound composed of dysprosium and gallium.
About DyGa
DyGa is a metallic intermetallic compound formed from dysprosium and gallium. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of these two elements, reflecting a strong chemical affinity between the rare-earth metal and the post-transition metal.
Its electronic character is defined by its metallic nature, lacking a band gap. With numerous reported structures across multiple databases, it is a well-characterized material that serves as a fundamental subject for studying intermetallic bonding and phase stability in binary rare-earth systems.
Key Properties
Cross-validated computational properties for DyGa, 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 DyGa. 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 DyGa is used.
Frequently Asked Questions
Common questions about DyGa, answered from cross-validated data.
What is DyGa?
DyGa is a thermodynamically stable metallic compound composed of dysprosium and gallium.
What is DyGa used for?
What is the band gap of DyGa?
Is DyGa a metal, semiconductor, or insulator?
Is DyGa thermodynamically stable?
How many polymorphs of DyGa are known?
What elements does DyGa contain?
Where does the data for DyGa come from?
How It Compares
As a binary intermetallic compound, DyGa represents a stable point in the dysprosium-gallium phase space. While it functions as a distinct phase within its own binary system, it serves as a representative example of how rare-earth elements interact with gallium to form stable, metallic architectures.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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