MnN
Manganese nitride · Manganese(III) nitride
Manganese nitride is a binary inorganic compound composed of manganese and nitrogen. It is primarily studied for its magnetic properties and its potential utility in advanced thin-film electronic and spintronic devices.
MnN
Overview
Key Properties
Cross-validated computational properties for Manganese nitride, aggregated across 5 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.
0.08 eV
Range across DFT structures
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.
0.015 eV/atom
Best (lowest) across sources
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.
Near hull (likely stable)
3 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
298
5 databases, 39 space groups
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of MnN. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
1.00 / 1.00
Trust tier: high
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
0.000 eV
EAH spread across sources
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
3
jarvis, materials_project, nomad
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
All match
Crystallography
Reported Structures
Lowest-energy structures reported for MnN, 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. |
|---|---|---|---|---|---|
| F-43m (No. 216) | cubic | 0.08 | 0.0151 | -12.218 | 6.05 |
| P63mc (No. 186) | hexagonal | 0.00 | 0.0895 | -12.143 | 5.75 |
| Fm-3m (No. 225) | cubic | 0.00 | 0.0897 | -12.143 | 6.47 |
| Pm (No. 6) | monoclinic | 0.00 | 0.2712 | -11.961 | 5.82 |
| Pm-3m (No. 221) | cubic | 0.00 | 0.7230 | -11.510 | 7.06 |
| P1 (No. 1) | Triclinic | — | — | — | 4.39 |
| Fm-3m (No. 225) | — | — | — | — | — |
| Pm-3m (No. 221) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P3221 (No. 154) | Trigonal | — | — | — | 5.47 |
| Pm (No. 6) | Monoclinic | — | — | — | 5.81 |
Uses
Applications
Where Manganese nitride is used.
Magnetic materials researchThin-film coatingsSpintronics development
Reference
Frequently Asked Questions
Common questions about Manganese nitride, answered from cross-validated data.
What is MnN?
Manganese nitride is a binary inorganic compound composed of manganese and nitrogen. It is primarily studied for its magnetic properties and its potential utility in advanced thin-film electronic and spintronic devices.
More questions
What is MnN used for?
Manganese nitride (MnN) is used in magnetic materials research, thin-film coatings, and spintronics development.
What is the band gap of MnN?
Manganese nitride (MnN) has a DFT-computed band gap of 0.08 eV across 298 reported structures.
Is MnN a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is MnN thermodynamically stable?
Manganese nitride (MnN) has a lowest energy above hull of 0.015 eV/atom (near hull (likely stable)).
What is the crystal structure of MnN?
The lowest-energy reported polymorph of Manganese nitride (MnN) is cubic symmetry, space group F-43m (No. 216).
What is the density of MnN?
The computed density of the ground-state structure of Manganese nitride (MnN) is 6.05 g/cm³.
How many polymorphs of MnN are known?
298 structures of MnN are reported across 5 databases, spanning 39 distinct space groups.
What elements does MnN contain?
Manganese nitride (MnN) contains Mn and N (2 elements).
Where does the data for MnN come from?
MnN data is cross-referenced from materials_project, mpaloe, jarvis, nomad.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- 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).
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