Angewandte Chemie International Edition · 2008 · 95 citations · 45 references
Natural SciencesChemistryPhysicsCondensed Matter PhysicsInorganic ChemistryMagnetic MaterialsAntiferromagnetismCurie TemperatureFerrimagnetic MaterialsMagnetic Properties Of SolidsMagnetism In SolidsPhase TransitionsAntiferromagnetic TransitionsCoordination Compound MagnetismMagnetic Properties Of Transition Metal ComplexesMagnetism Of Transition Metal ComplexesSpin Crossover CompoundsSpin Crossover PhenomenaTemperature-dependent MagnetizationTransition Metal Magnetism
A spin-crossover from FeII(S=2)-NbIV(S=1/2)-FeII(S=2) to FeII(S=0)-NbIV(S=1/2)-FeII(S=2) occurs in Fe2[Nb(CN)8]⋅(3-pyCH2OH)8⋅4.6 H2O (3-py=3-pyridyl) with decreasing temperature (see picture; red Fe, blue Nb). The low-temperature phase shows ferrimagnetism with a Curie temperature of 12 K owing to an antiferromagnetic interaction between the remaining FeII (S=2) and the NbIV (S=1/2) centers.
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