Detection of a Jahn–Teller mode as an ultrafast fingerprint of spin-transition-induced charge transfer in CoFe Prussian Blue Analogue
Marius Hervé, Bogdan Marekha, Sandra Mazérat, Talal Mallah, Marco Cammarata, Samir F. Matar, Stefan Haacke, Jérémie Léonard, Éric Collet
Abstract
Using sub-20-fs ultrafast spectroscopy, we unravel high-frequency vibrational coherences during the photoinduced charge transfer in the CoFe Prussian Blue Analogue, attributed to the transient activation of a low-symmetry Jahn–Teller mode.
Topics & Concepts
Prussian blueJahn–Teller effectUltrashort pulseCharge (physics)Materials scienceSpin (aerodynamics)BlueshiftSymmetry (geometry)Molecular vibrationCondensed matter physicsChemistryOpticsOptoelectronicsPhysicsIonMoleculePhysical chemistryLaserElectrodeThermodynamicsElectrochemistryMathematicsPhotoluminescenceQuantum mechanicsGeometryOrganic chemistryMagnetism in coordination complexesElectron Spin Resonance StudiesAdvanced NMR Techniques and Applications