Ne
Neon · Ne
Neon is a chemically inert, noble gas element known for its insulating properties and its widespread use in lighting and cryogenic cooling.
About Neon
Neon is a noble gas characterized by its role as a wide-band-gap insulator. It exists as a thermodynamically stable element, maintaining its integrity under standard conditions as a chemically inert monatomic gas. Its electronic configuration makes it highly resistant to chemical bonding, which defines its utility in various industrial and scientific applications.
Due to its unique properties, neon is a critical component in gas-discharge lighting and high-voltage indicators. Its stability and inert nature allow it to serve as a reliable medium in specialized laser systems and as a refrigerant in cryogenic research, where it provides cooling capacity beyond that of lighter noble gases.
Key Properties
Cross-validated computational properties for Neon, 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.
Reported Structures
Lowest-energy structures reported for Ne, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 11.69 | 0.0000 | -1.913 | 1.82 |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | Cubic | — | — | — | 1.68 |
| Fm-3m (No. 225) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
Applications
Where Neon is used.
Frequently Asked Questions
Common questions about Neon, answered from cross-validated data.
What is Ne?
Neon is a chemically inert, noble gas element known for its insulating properties and its widespread use in lighting and cryogenic cooling.
What is Ne used for?
What is the band gap of Ne?
Is Ne a metal, semiconductor, or insulator?
Is Ne thermodynamically stable?
What is the crystal structure of Ne?
What is the density of Ne?
How many polymorphs of Ne are known?
What elements does Ne contain?
Where does the data for Ne come from?
How It Compares
As a noble gas, neon occupies a unique position in the periodic table, serving as a primary reference for inert, wide-gap insulating behavior in elemental form.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- mpaloe — Data from mpaloe.
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