Nb2Os1V1
Nb2Os1V1 is a semiconducting ternary compound of niobium, osmium, and vanadium that exists in a metastable state.
About Nb2Os1V1
Nb2Os1V1 is a ternary compound composed of niobium, osmium, and vanadium. As a semiconducting material, it exhibits electronic properties distinct from typical metallic alloys, making it a subject of interest for fundamental solid-state research.
Despite its existence in multiple reported structural configurations, the compound is characterized as being above the thermodynamic hull. This suggests that while it can be synthesized or modeled in various arrangements, it remains a metastable phase that requires specific conditions for formation.
Key Properties
Cross-validated computational properties for Nb2Os1V1, 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 Nb2Os1V1, 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 | 0.19 | 4.5034 | -24.960 | 0.97 |
| Imm2 (No. 44) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Nb2Os1V1, answered from cross-validated data.
What is Nb2Os1V1?
Nb2Os1V1 is a semiconducting ternary compound of niobium, osmium, and vanadium that exists in a metastable state.
What is the band gap of Nb2Os1V1?
Is Nb2Os1V1 a metal, semiconductor, or insulator?
Is Nb2Os1V1 thermodynamically stable?
What is the crystal structure of Nb2Os1V1?
What is the density of Nb2Os1V1?
How many polymorphs of Nb2Os1V1 are known?
What elements does Nb2Os1V1 contain?
Where does the data for Nb2Os1V1 come from?
How It Compares
As a unique ternary combination of transition metals, Nb2Os1V1 occupies a specialized niche in materials science. Unlike more common binary intermetallics, this compound demonstrates the complex structural diversity possible when integrating niobium, osmium, and vanadium, serving as a case study for exploring non-equilibrium phases in multi-component 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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