Ca2GeHg
Ca2GeHg is a semimetallic ternary compound composed of calcium, germanium, and mercury that is predicted to be stable enough for laboratory synthesis.
About Ca2GeHg
Ca2GeHg is a ternary inorganic compound composed of calcium, germanium, and mercury. It exhibits near-zero-gap electronic behavior, placing it in the category of semimetallic materials that bridge the gap between conductors and semiconductors.
Due to its position near the thermodynamic hull, this compound is considered a promising candidate for experimental synthesis. Its structural characteristics are documented across multiple databases, highlighting its role as a subject of interest in solid-state chemistry research.
Key Properties
Cross-validated computational properties for Ca2GeHg, 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.
Applications
Where Ca2GeHg is used.
Frequently Asked Questions
Common questions about Ca2GeHg, answered from cross-validated data.
What is Ca2GeHg?
Ca2GeHg is a semimetallic ternary compound composed of calcium, germanium, and mercury that is predicted to be stable enough for laboratory synthesis.
What is Ca2GeHg used for?
What is the band gap of Ca2GeHg?
Is Ca2GeHg a metal, semiconductor, or insulator?
Is Ca2GeHg thermodynamically stable?
How many polymorphs of Ca2GeHg are known?
What elements does Ca2GeHg contain?
Where does the data for Ca2GeHg come from?
How It Compares
As a unique ternary phase, Ca2GeHg represents an intriguing entry in materials discovery, serving as a distinct example of how alkaline earth metals can be combined with post-transition elements to tune electronic states near the Fermi level.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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