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Spin Crossover in a Supramolecular Fe4II [2×2] Grid Triggered by Temperature, Pressure, and Light
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2000
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EngineeringSpin CrossoverMagnetic ResonanceChemistrySpin DynamicSpin PhenomenonMagnetismTriple Switch SystemMultiplex Electronic SwitchInorganic ChemistryPhysicsPhysical ChemistryTetranuclear Feii ComplexQuantum ChemistryQuantum MagnetismTransition Metal ChalcogenidesSpintronicsMolecule-based MagnetNatural SciencesApplied PhysicsCondensed Matter PhysicsMolecular Switch
A multiplex electronic switch on the molecular level has been realized by using a tetranuclear FeII complex of the [2×2] grid type. The four metal ions can be switched stepwise between their high-spin and low-spin states by temperature, pressure, and light, thus representing a triple level, triple switch system as illustrated in the picture.