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

Science (New York, N.Y.) (2020-02-08)
Jérôme Long, Maxim S Ivanov, Vladimir A Khomchenko, Ekaterina Mamontova, Jean-Marc Thibaud, Jérôme Rouquette, Mickaël Beaudhuin, Dominique Granier, Rute A S Ferreira, Luis D Carlos, Bruno Donnadieu, Marta S C Henriques, José António Paixão, Yannick Guari, Joulia Larionova
RÉSUMÉ

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.

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(1S,2S)-(−)-1,2-Diphenylethylenediamine, 97%