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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| V2O3 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4975752 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: V2O3 Context triple: [Mott insulator, exampleMaterial, V2O3]
-
A.
Vanadium
Vanadium is a hard, silvery-gray transition metal element used in strong alloys and known for imparting green coloration to certain minerals and gemstones.
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B.
Fedora Kinoite
Fedora Kinoite is an official Fedora Linux variant that provides an immutable, KDE Plasma–based desktop system using rpm-ostree for atomic updates and reliability.
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C.
Boron
Boron is a small unincorporated community in Kern County, California, best known for its large open-pit borax mine and its location in the Mojave Desert.
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D.
Chromium
Chromium is an open-source web browser project that serves as the foundation for several major browsers, including Google Chrome.
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E.
Canningite
Canningite refers to a follower or supporter of British statesman George Canning, typically associated with his moderate, liberal Tory political views in the early 19th century.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: V2O3 Target entity description: 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.
-
A.
Vanadium
Vanadium is a hard, silvery-gray transition metal element used in strong alloys and known for imparting green coloration to certain minerals and gemstones.
-
B.
Fedora Kinoite
Fedora Kinoite is an official Fedora Linux variant that provides an immutable, KDE Plasma–based desktop system using rpm-ostree for atomic updates and reliability.
-
C.
Boron
Boron is a small unincorporated community in Kern County, California, best known for its large open-pit borax mine and its location in the Mojave Desert.
-
D.
Chromium
Chromium is an open-source web browser project that serves as the foundation for several major browsers, including Google Chrome.
-
E.
Canningite
Canningite refers to a follower or supporter of British statesman George Canning, typically associated with his moderate, liberal Tory political views in the early 19th century.
- F. None of above. chosen
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 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: V2O3 Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.