The spin state of a molecular adsorbate driven by the ferroelectric substrate polarization.

Xin Zhang (1) , Tatiana Palamarciuc (2) , Jean-François Létard (2) , Patrick Rosa (2) , Eduardo Vega Lozada (1, 3) , Fernand Torres (1, 3) , Luis G. Rosa (3) , Bernard Doudin (4) , Peter A. Dowben (1)

1 Nebraska Center for Materials and Nanoscience
2 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux
3 Department of Physics and Electronics
4 IPCMS - Institut de Physique et Chimie des Matériaux de Strasbourg

The spin state of [Fe(H2B(pz)2)2(bipy)] thin films is mediated by changes in the electric field at the interface of organic ferroelectric polyvinylidene fluoride with trifluoroethylene (PVDF-TrFE). Signatures of the molecular crossover transition are evident in changes in the unoccupied states and the related shift from diamagnetic to paramagnetic characteristics. This may point the way to the molecular magneto-electric effect on devices.

Domaines: Matériaux

Xin Zhang, Tatiana Palamarciuc, Jean-François Létard, Patrick Rosa, Eduardo Vega Lozada, et al.. The spin state of a molecular adsorbate driven by the ferroelectric substrate polarization.. Chemical Communications, 2014, 50 (18), pp.2255-2257. ⟨10.1039/c3cc46892e⟩. ⟨hal-01005450⟩