Cs2Hg2La2Se6
Cs2Hg2La2Se6 is a thermodynamically stable, semiconducting quaternary selenide compound.
About Cs2Hg2La2Se6
Cs2Hg2La2Se6 is a complex quaternary selenide that exists as a thermodynamically stable phase on the convex hull. As a semiconducting material, it represents a unique intersection of alkali, transition metal, and rare-earth chemistry, offering a distinct electronic profile for solid-state research.
The compound is characterized by its structural diversity, with multiple reported configurations across crystallographic databases. Its stability and semiconducting nature make it a compelling subject for investigating complex chalcogenide frameworks and their potential for electronic or optoelectronic modulation.
Key Properties
Cross-validated computational properties for Cs2Hg2La2Se6, 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 Cs2Hg2La2Se6 is used.
Frequently Asked Questions
Common questions about Cs2Hg2La2Se6, answered from cross-validated data.
What is Cs2Hg2La2Se6?
Cs2Hg2La2Se6 is a thermodynamically stable, semiconducting quaternary selenide compound.
What is Cs2Hg2La2Se6 used for?
What is the band gap of Cs2Hg2La2Se6?
Is Cs2Hg2La2Se6 a metal, semiconductor, or insulator?
Is Cs2Hg2La2Se6 thermodynamically stable?
How many polymorphs of Cs2Hg2La2Se6 are known?
What elements does Cs2Hg2La2Se6 contain?
Where does the data for Cs2Hg2La2Se6 come from?
How It Compares
As a quaternary selenide, Cs2Hg2La2Se6 occupies a specialized niche within the broader landscape of complex chalcogenides. Unlike simpler binary or ternary systems, this compound leverages the interplay between cesium, mercury, and lanthanum to maintain structural integrity, positioning it as a sophisticated model for understanding multi-component semiconductor stability.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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