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Room temperature magnetoelectric coupling in a molecular ferroelectric ytterbium(III) complex

Authors: J. Long, M.S. Ivanov, V.A. Khomchenko, E. Mamontova, J.-M. Thibaud, J. Rouquette, M. Beaudhuin, D. Granier, R.A.S. Ferreira, L.D. Carlos, B. Donnadieu, M.S.C. Henriques, J.A. Paix√£o, Y. Guari, J. Larionova

Ref.: Science 367(6478), 671-676 (2020)

Abstract: Magnetoelectric (ME) materials combine magnetic and electric polarizabilities in the same phase, offering a basis for developing high-density data storage and spintronic or low-consumption devices owing to the possibility of triggering one property with the other. Such applications require strong interaction between the constitutive properties, a criterion that is rarely met in classical inorganic ME materials at room temperature. We provide evidence of a strong ME coupling in a paramagnetic ferroelectric lanthanide coordination complex with magnetostrictive phenomenon. The properties of this molecular material suggest that it may be competitive with inorganic magnetoelectrics.

DOI: 10.1126/science.aaz2795