Ag2Hg1Mg1
Ag2Hg1Mg1 is a semiconducting ternary intermetallic compound that exhibits structural complexity despite its inherent thermodynamic instability.
About Ag2Hg1Mg1
Ag2Hg1Mg1 is a complex ternary compound composed of silver, mercury, and magnesium. As a semiconducting material, it represents a unique intersection of noble metal, post-transition metal, and alkaline earth chemistry, offering interesting electronic properties for fundamental research.
Because it exists above the thermodynamic hull, this compound is considered metastable or unstable under standard conditions. Its existence is documented across multiple structural configurations, highlighting the intricate phase space accessible to these specific elemental combinations.
Key Properties
Cross-validated computational properties for Ag2Hg1Mg1, 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 Ag2Hg1Mg1 is used.
Frequently Asked Questions
Common questions about Ag2Hg1Mg1, answered from cross-validated data.
What is Ag2Hg1Mg1?
Ag2Hg1Mg1 is a semiconducting ternary intermetallic compound that exhibits structural complexity despite its inherent thermodynamic instability.
What is Ag2Hg1Mg1 used for?
What is the band gap of Ag2Hg1Mg1?
Is Ag2Hg1Mg1 a metal, semiconductor, or insulator?
Is Ag2Hg1Mg1 thermodynamically stable?
How many polymorphs of Ag2Hg1Mg1 are known?
What elements does Ag2Hg1Mg1 contain?
Where does the data for Ag2Hg1Mg1 come from?
How It Compares
As a singular entry in this specific ternary system, Ag2Hg1Mg1 serves as a focal point for understanding the challenges of stabilizing complex intermetallic phases. Unlike more robust, thermodynamically stable alloys, its position above the hull suggests that its synthesis requires precise kinetic control or specific environmental conditions to maintain its structural integrity.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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