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Showcasing research from the laboratory of
Prof. Marco Giorgetti at the University of Bologna,
Italy and of Dr Giuliana Aquilanti team at
Elettra - Sincrotrone Trieste, Italy.
Title: Anatase-driven charge transfer involving a spin
transition in cobalt iron cyanide nanostructures
Cobalt hexacyanoferrate can experience a spin transition at the cobalt site. Generally, the diff erence in the energy of the two spin states is furnished by photoexcitation, as for instance in memory devices and magneto-optical switching applications. The collaborating work done in the two laboratories has
led to the evidence of a spin transition at the Co site by an anatase-driven stimulus. The use of the most appropriate X-ray analytical techniques such as high resolution XANES and EXAFS have evidenced, out of the spin transition, a charge transfer accompanied by structural transformation.