Al2Co1Tc1
Al2Co1Tc1 is a semimetallic ternary intermetallic compound composed of aluminum, cobalt, and technetium that exists in a metastable state.
About Al2Co1Tc1
Al2Co1Tc1 is a complex ternary intermetallic compound composed of aluminum, cobalt, and technetium. Its electronic character is defined as a near-zero-gap semimetal, placing it in a unique regime where conduction properties are highly sensitive to structural configuration.
Due to its position above the thermodynamic stability hull, this compound is considered metastable. Despite this, it has been the subject of significant structural investigation, with numerous reported configurations across materials databases, reflecting its interest in fundamental solid-state research.
Key Properties
Cross-validated computational properties for Al2Co1Tc1, 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.
Applications
Where Al2Co1Tc1 is used.
Frequently Asked Questions
Common questions about Al2Co1Tc1, answered from cross-validated data.
What is Al2Co1Tc1?
Al2Co1Tc1 is a semimetallic ternary intermetallic compound composed of aluminum, cobalt, and technetium that exists in a metastable state.
What is Al2Co1Tc1 used for?
What is the band gap of Al2Co1Tc1?
Is Al2Co1Tc1 a metal, semiconductor, or insulator?
Is Al2Co1Tc1 thermodynamically stable?
How many polymorphs of Al2Co1Tc1 are known?
What elements does Al2Co1Tc1 contain?
Where does the data for Al2Co1Tc1 come from?
How It Compares
As a ternary intermetallic phase, Al2Co1Tc1 represents a specialized case within the broader landscape of aluminum-transition metal alloys. Without direct structural siblings for comparison, it stands as a distinct example of how the inclusion of technetium influences the electronic density of states in aluminide systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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