HfScTc2
HfScTc2 is a metastable semimetallic ternary compound composed of hafnium, scandium, and technetium.
About HfScTc2
HfScTc2 is a complex ternary intermetallic compound composed of hafnium, scandium, and technetium. It exhibits a near-zero-gap electronic structure, placing it in the category of semimetallic materials that often display intriguing transport properties due to the proximity of the valence and conduction bands.
As a metastable phase, this material represents a specific configuration of these transition metals that is not the most thermodynamically favored state. Its existence across multiple structural databases highlights its significance in fundamental materials research, where understanding the formation of such complex phases is essential for advancing solid-state chemistry.
Key Properties
Cross-validated computational properties for HfScTc2, aggregated across 3 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 HfScTc2, answered from cross-validated data.
What is HfScTc2?
HfScTc2 is a metastable semimetallic ternary compound composed of hafnium, scandium, and technetium.
What is the band gap of HfScTc2?
Is HfScTc2 a metal, semiconductor, or insulator?
Is HfScTc2 thermodynamically stable?
How many polymorphs of HfScTc2 are known?
What elements does HfScTc2 contain?
Where does the data for HfScTc2 come from?
How It Compares
As a unique ternary intermetallic, HfScTc2 occupies a specialized niche in materials science. Unlike more common binary transition metal alloys, this compound demonstrates the complex structural possibilities that arise when combining heavy refractory elements with scandium, serving as a distinct example of metastable phase formation in multi-element systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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