Sr2CuO2Cl2
E484698
Sr2CuO2Cl2 is a layered copper-oxide compound widely studied as a prototypical parent material of high-temperature superconducting cuprates, notable for its strong electron correlations and antiferromagnetic order.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Mott insulator
ⓘ
antiferromagnet ⓘ cuprate ⓘ inorganic compound ⓘ layered copper-oxide compound ⓘ |
| belongsToFamily | Sr2CuO2X2 oxyhalides ⓘ |
| chemicalFormula | Sr2CuO2Cl2 ⓘ |
| containsElement |
chlorine
ⓘ
copper ⓘ oxygen ⓘ strontium ⓘ |
| crystalStructure | layered perovskite-like ⓘ |
| dimensionality | quasi-two-dimensional ⓘ |
| hasAnion |
Cl-
ⓘ
O2- ⓘ |
| hasBandGapType | charge-transfer gap ⓘ |
| hasCation |
Cu2+
ⓘ
Sr2+ ⓘ |
| hasCorrelationEffect | Mott-Hubbard localization of carriers ⓘ |
| hasCrystalMotif | alternating CuO2 and SrCl layers ⓘ |
| hasCuValence | +2 ⓘ |
| hasElectronicProperty | strong electron correlations ⓘ |
| hasLayerType |
CuO2 plane
ⓘ
SrCl layer ⓘ |
| hasMagneticDimensionality | two-dimensional Heisenberg antiferromagnet ⓘ |
| hasMagneticInteraction | nearest-neighbor superexchange ⓘ |
| hasMagneticOrder | antiferromagnetic ⓘ |
| hasSpinLattice | square lattice of Cu2+ ions ⓘ |
| hasSpinValue | S=1/2 on Cu2+ sites ⓘ |
| hasSuperexchangePath | Cu–O–Cu ⓘ |
| hasSymmetry | tetragonal (at room temperature) ⓘ |
| isChargeTransferInsulator | true ⓘ |
| isModelSystemFor |
polaron formation in cuprates
ⓘ
spin-charge separation studies ⓘ |
| isNonSuperconductingInUndopedState | true ⓘ |
| isParentCompoundOf | high-temperature superconducting cuprates ⓘ |
| isPrototypeFor |
two-dimensional quantum antiferromagnets
ⓘ
undoped cuprate planes ⓘ |
| isReferenceSystemFor |
Hubbard model studies
ⓘ
t-J model studies ⓘ theory of high-Tc superconductivity ⓘ |
| isStructurallyRelatedTo | La2CuO4 ⓘ |
| isStudiedBy |
Raman spectroscopy
ⓘ
angle-resolved photoemission spectroscopy ⓘ neutron scattering ⓘ optical spectroscopy ⓘ |
| isUndoped | true ⓘ |
| isUsedAs | benchmark cuprate parent compound ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.