Xe
Xenon · noble gas
Xenon is a stable, inert noble gas used primarily in specialized lighting, medical imaging, and advanced propulsion systems.

About Xenon
Xenon is a noble gas that exists as a thermodynamically stable element. It is chemically inert under standard conditions, reflecting its closed-shell electronic configuration which results in a wide-gap insulating character. Its unique physical properties make it a subject of extensive structural research across multiple databases.
This element is highly valued for its ability to produce intense light when excited and its high atomic mass, which is leveraged in specialized engineering sectors. Its stability and lack of reactivity allow it to serve as a reliable medium in environments where chemical interference must be strictly avoided.
Key Properties
Cross-validated computational properties for Xenon, aggregated across 4 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 Xenon is used.
Frequently Asked Questions
Common questions about Xenon, answered from cross-validated data.
What is Xe?
Xenon is a stable, inert noble gas used primarily in specialized lighting, medical imaging, and advanced propulsion systems.
What is Xe used for?
What is the band gap of Xe?
Is Xe a metal, semiconductor, or insulator?
Is Xe thermodynamically stable?
How many polymorphs of Xe are known?
What elements does Xe contain?
Where does the data for Xe come from?
How It Compares
As a noble gas, Xenon stands as a fundamental reference point for inert, wide-gap materials. It represents the pinnacle of chemical stability within its group, serving as the benchmark for heavy, non-reactive elements in both industrial and scientific applications.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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