ScVOs2
ScVOs2 is a semiconducting ternary compound consisting of scandium, vanadium, and osmium that exhibits multiple structural forms.
About ScVOs2
ScVOs2 is a complex ternary inorganic compound composed of scandium, vanadium, and osmium. As a semiconducting material, it represents a specialized area of study for researchers investigating the electronic properties of transition metal combinations.
Due to its position relative to the thermodynamic hull, this compound is considered metastable or unstable under standard conditions. Its structural landscape is defined by multiple reported configurations, highlighting the intricate bonding behaviors present in this specific elemental system.
Key Properties
Cross-validated computational properties for ScVOs2, aggregated across 3 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 ScVOs2, 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 | 0.11 | 3.8833 | -5.956 | 0.97 |
| Pm (No. 6) | Monoclinic | — | — | — | 11.21 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 15.19 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 13.57 |
| Immm (No. 71) | — | — | — | — | — |
Frequently Asked Questions
Common questions about ScVOs2, answered from cross-validated data.
What is ScVOs2?
ScVOs2 is a semiconducting ternary compound consisting of scandium, vanadium, and osmium that exhibits multiple structural forms.
What is the band gap of ScVOs2?
Is ScVOs2 a metal, semiconductor, or insulator?
Is ScVOs2 thermodynamically stable?
What is the crystal structure of ScVOs2?
What is the density of ScVOs2?
How many polymorphs of ScVOs2 are known?
What elements does ScVOs2 contain?
Where does the data for ScVOs2 come from?
How It Compares
As a unique ternary phase, ScVOs2 occupies a distinct niche in materials science where the interplay between scandium, vanadium, and osmium creates complex structural possibilities. Unlike more conventional binary semiconductors, this material serves as a case study for the challenges of synthesizing and stabilizing multi-elemental systems that do not naturally reside in the lowest energy state.
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).
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