V2O3
E484696
V2O3 (vanadium(III) oxide) is a transition metal oxide known for its temperature- and pressure-dependent metal–insulator transition, making it a classic system for studying strong electron correlations and Mott physics.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
inorganic compound
ⓘ
transition metal oxide ⓘ vanadium(III) oxide ⓘ |
| bandGapInInsulatingPhase | small Mott gap ⓘ |
| belongsToClass | 3d transition metal sesquioxides ⓘ |
| canBeDopedWith |
chromium
ⓘ
titanium ⓘ |
| chemicalFormula | V2O3 ⓘ |
| chromiumDopingEffect | stabilizes insulating phase ⓘ |
| containsElement |
oxygen
ⓘ
vanadium ⓘ |
| coordinationGeometryOfVanadium | octahedral ⓘ |
| crystalStructureAtRoomTemperature | corundum-type ⓘ |
| electricalConductivityAtHighTemperature | metallic ⓘ |
| electricalConductivityAtLowTemperature | insulating ⓘ |
| electronicConfigurationOfVanadiumIon | 3d2 ⓘ |
| exhibits |
first-order metal–insulator transition
ⓘ
pressure-dependent metal–insulator transition ⓘ temperature-dependent metal–insulator transition ⓘ |
| hasCorundumRelatedCompounds |
Al2O3
ⓘ
Cr2O3 ⓘ |
| hasKeyPhysicalProperty |
coupled electronic and structural transitions
ⓘ
strong electron–electron correlations ⓘ temperature-dependent magnetic ordering ⓘ |
| hasMagneticOrderInInsulatingPhase | antiferromagnetic ⓘ |
| hasPhaseDiagramFeature |
coexistence region of metal and insulator phases
ⓘ
critical end point of metal–insulator transition ⓘ |
| insulatingPhaseSymmetry | antiferromagnetic insulator ⓘ |
| isCanonicalExampleOf | Mott–Hubbard insulator NERFINISHED ⓘ |
| isPrototypeSystemFor |
Mott metal–insulator transition
NERFINISHED
ⓘ
strongly correlated electron systems ⓘ |
| isSensitiveTo |
chemical substitution
ⓘ
pressure ⓘ strain ⓘ |
| isStudiedInContextOf |
Hubbard model
NERFINISHED
ⓘ
dynamical mean-field theory NERFINISHED ⓘ orbital physics ⓘ spin–lattice coupling ⓘ |
| isUsedAs | model system for correlated oxides ⓘ |
| isUsedIn | fundamental research on metal–insulator transitions ⓘ |
| IUPACName | vanadium(III) oxide ⓘ |
| metallicPhaseSymmetry | paramagnetic metal ⓘ |
| oxidationStateOfVanadium | +3 ⓘ |
| spaceGroupAtRoomTemperature | R-3c ⓘ |
| stoichiometry | 2:3 vanadium to oxygen ratio ⓘ |
| titaniumDopingEffect | stabilizes metallic phase ⓘ |
| undergoesStructuralChangeAtMIT | rhombohedral-to-monoclinic distortion ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.