vanadium dioxide
E484701
Vanadium dioxide is an inorganic compound best known for its dramatic, reversible metal–insulator phase transition near room temperature, which makes it a key material in studies of correlated electron systems and smart thermochromic devices.
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
inorganic compound
ⓘ
vanadium oxide ⓘ |
| canBeDopedWith |
fluorine
ⓘ
niobium ⓘ tungsten ⓘ |
| changesInfraredTransmittanceNear | metal–insulator transition temperature ⓘ |
| chemicalFormula | VO2 ⓘ |
| containsElement |
oxygen
ⓘ
vanadium ⓘ |
| exhibits | metal–insulator transition ⓘ |
| hasBandGapInInsulatingPhaseApprox | 0.6 eV ⓘ |
| hasCrystalSystemHighTemperature | tetragonal ⓘ |
| hasCrystalSystemLowTemperature | monoclinic ⓘ |
| hasIUPACName | vanadium(IV) oxide ⓘ |
| hasOxidationStateOfVanadium | +4 ⓘ |
| hasSpaceGroupHighTemperature | P4_2/mnm ⓘ |
| hasSpaceGroupLowTemperature | P2_1/c ⓘ |
| highTemperatureCrystalStructure | rutile tetragonal ⓘ |
| highTemperaturePhaseIs | metallic ⓘ |
| isElectrically | correlated electron material ⓘ |
| isPrototypeFor |
Mott transition materials
ⓘ
Peierls transition materials ⓘ |
| isPrototypeMaterialFor |
metal–insulator transition studies
ⓘ
strongly correlated electron systems ⓘ |
| isSensitiveTo |
doping
ⓘ
electric field ⓘ optical excitation ⓘ strain ⓘ |
| isStudiedInField |
condensed matter physics
ⓘ
device physics ⓘ materials science ⓘ solid-state physics ⓘ surface science ⓘ |
| isThermochromic | true ⓘ |
| isUsedAs |
model system for electron–lattice coupling studies
ⓘ
model system for ultrafast phase transitions ⓘ |
| isUsedIn |
electronic switches
ⓘ
energy-efficient glazing ⓘ infrared switching devices ⓘ memory devices research ⓘ neuromorphic devices research ⓘ optical switches ⓘ sensors ⓘ smart windows ⓘ thermochromic coatings ⓘ |
| lowTemperatureCrystalStructure | monoclinic ⓘ |
| lowTemperaturePhaseIs | insulating ⓘ |
| metalInsulatorTransitionIs |
first-order phase transition
ⓘ
reversible ⓘ |
| metalInsulatorTransitionTemperatureApprox |
340 K
ⓘ
68 °C ⓘ 95 °F ⓘ |
| tungstenDopingEffect | lowers transition temperature ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.