Al1Nb1Tc2
Al1Nb1Tc2 is a semimetallic ternary compound composed of aluminum, niobium, and technetium that is currently documented in structural databases.

About Al1Nb1Tc2
Al1Nb1Tc2 is a complex ternary compound composed of aluminum, niobium, and technetium. It exhibits a near-zero-gap electronic character, placing it in the category of semimetallic materials that bridge the gap between conductors and insulators.
Due to its position above the thermodynamic hull, this material is considered potentially unstable under standard conditions. Despite this, it remains a subject of interest in structural studies, with multiple reported configurations documented across materials databases.
Key Properties
Cross-validated computational properties for Al1Nb1Tc2, aggregated across 2 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.
Frequently Asked Questions
Common questions about Al1Nb1Tc2, answered from cross-validated data.
What is Al1Nb1Tc2?
Al1Nb1Tc2 is a semimetallic ternary compound composed of aluminum, niobium, and technetium that is currently documented in structural databases.
What is the band gap of Al1Nb1Tc2?
Is Al1Nb1Tc2 a metal, semiconductor, or insulator?
Is Al1Nb1Tc2 thermodynamically stable?
How many polymorphs of Al1Nb1Tc2 are known?
What elements does Al1Nb1Tc2 contain?
Where does the data for Al1Nb1Tc2 come from?
How It Compares
As a unique ternary phase within this specific elemental combination, Al1Nb1Tc2 serves as a distinct point of reference for understanding the structural diversity of aluminum-niobium-technetium systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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