In this Dalton Transactions Perspective, Shin-ichi Ohkoshi and Hiroko Tokoro discuss cyano-bridged bimetal assemblies (particularly Prussian blue analogs) that demonstrate novel magnetic functionalities. Charge-transfer phase transitions, reversible photomagnetism, second harmonic generation along with magnetization-induced second harmonic generation, ferroelectric ferromagnetism, humidity-sensitive magnetism, high ionic conductivity, and a coupling effect (termed spin-ionics) between ionic conduction and magnetic ordering within Prussian blue analogs is described.
Prussian blue analogs have been intensively studied due to (i) their flexible structure, which meet conditions for charge-transfer, photoinduced change, and absorption and desorption of water, and (ii) the strong exchange coupling of the magnetic centers through cyano-bridged ligands.
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Novel magnetic functionalities of Prussian blue analogs
Hiroko Tokoro and Shin-ichi Ohkoshi
Dalton Trans., 2011, Advance Article, DOI: 10.1039/C0DT01829E
