Al1Mn2Mo1
Al1Mn2Mo1 is a semiconducting ternary intermetallic compound that exists as a metastable phase.
About Al1Mn2Mo1
Al1Mn2Mo1 is a complex ternary intermetallic compound characterized by its semiconducting electronic nature. Its composition, involving aluminum, manganese, and molybdenum, places it within a niche category of materials often investigated for unique transport properties in solid-state physics.
Despite its existence in structural databases, the compound is identified as being thermodynamically unstable relative to its constituent elements. This suggests that while it can be synthesized under specific conditions, it remains a metastable phase of interest for researchers studying phase formation and structural complexity.
Key Properties
Cross-validated computational properties for Al1Mn2Mo1, 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.
Reported Structures
Lowest-energy structures reported for Al1Mn2Mo1, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.45 | 3.4138 | -4.987 | 0.46 |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
Applications
Where Al1Mn2Mo1 is used.
Frequently Asked Questions
Common questions about Al1Mn2Mo1, answered from cross-validated data.
What is Al1Mn2Mo1?
Al1Mn2Mo1 is a semiconducting ternary intermetallic compound that exists as a metastable phase.
What is Al1Mn2Mo1 used for?
What is the band gap of Al1Mn2Mo1?
Is Al1Mn2Mo1 a metal, semiconductor, or insulator?
Is Al1Mn2Mo1 thermodynamically stable?
What is the crystal structure of Al1Mn2Mo1?
What is the density of Al1Mn2Mo1?
How many polymorphs of Al1Mn2Mo1 are known?
What elements does Al1Mn2Mo1 contain?
Where does the data for Al1Mn2Mo1 come from?
How It Compares
As a unique ternary phase, Al1Mn2Mo1 serves as a distinct case study in the broader landscape of aluminum-transition metal alloys. Without direct structural siblings in this specific class, it stands as an isolated example of how alloying these specific elements can result in semiconducting behavior rather than the metallic conductivity typically expected in such intermetallic systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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