Magnetoelectric composite bilayer film by electrophoretic deposition (Abstract/Poster in convegno)

Type
Label
  • Magnetoelectric composite bilayer film by electrophoretic deposition (Abstract/Poster in convegno) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Alternative label
  • Pietro Galizia, Davide Gardini, Carmen Galassi (2015)
    Magnetoelectric composite bilayer film by electrophoretic deposition
    in Magnet 2015, Bologna, Area della Ricerca CNR, Dal 17 al 19 febbraio 2015February 19, 2015
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pietro Galizia, Davide Gardini, Carmen Galassi (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.aimagn.it/images/allegati/magnet2015/Program_Magnet_2015.pdf (literal)
Note
  • Poster (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ISTEC, Via Granarolo, 64, I-48018 Faenza (ITALY) (literal)
Titolo
  • Magnetoelectric composite bilayer film by electrophoretic deposition (literal)
Abstract
  • In the recent years the interest of the research community towards multiferroic composite materials was growing fast. A number of papers relates to bulk materials while less attention is focused on films. Electrophoretic deposition (EPD) was applied to prepare magnetoelectric (ME) composite bilayer thick films based on perovskite phase and spinel cobalt ferrite as some of the best piezoelectric and magnetostrictive oxides belong these crystal groups. The co-deposition of titanium oxide (TO) and cobalt ferrite (CFO) nanoparticles and the deposition of niobium-doped lead titanate zirconate (PZTN) were made from colloidal suspensions in ethanol keeping constant voltage and recording the current. Good adhesion and compaction of the green film were achieved by optimization of deposition voltage and time while high density of the film and minimized interphase reactions occurred after sintering. The deposited volume, the mixing of dielectric and magnetic phases and the density and ordering of the films have been verified by electron scanning microscopy after heat treatment. No reactions between the different phases was found. The piezoelectric properties were measured on the sintered films. (literal)
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