Electrical investigations of holmium-doped BaTiO3 derived from sol-gel combustion (Articolo in rivista)

Type
Label
  • Electrical investigations of holmium-doped BaTiO3 derived from sol-gel combustion (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Cernea M.; Galassi C.; Vasile B. S.; Ganea P.; Radu R.; Ghita G. (2010)
    Electrical investigations of holmium-doped BaTiO3 derived from sol-gel combustion
    in Journal of materials research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cernea M.; Galassi C.; Vasile B. S.; Ganea P.; Radu R.; Ghita G. (literal)
Pagina inizio
  • 1057 (literal)
Pagina fine
  • 1063 (literal)
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  • 25 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • In: Journal of Materials Research, vol. 25 (6) pp. 1057 - 1063. Materials Research Society, 2010. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • National Institute for Materials Physics, PO Box MG-7, Bucharest, RO-77125, Romania, CNR-ISTEC, Faenza, University Politehnica of Bucharest, RO-060042, Bucharest, Romania, National Institute for Materials Physics, PO Box MG-7, Bucharest RO-77125, Romania (literal)
Titolo
  • Electrical investigations of holmium-doped BaTiO3 derived from sol-gel combustion (literal)
Abstract
  • Holmium-doped BaTiO3 with composition Ba0.97Ho0.03TiO3 was prepared by sol-gel combustion method. A molar ratio of citrate/nitrate (CA/NO3=1.3) was used to prepare nanopowders of (Ba,Ho)TiO3. The structure and microstructure of (Ba,Ho)TiO3 powders and ceramics were investigated. The ceramics exhibit a dielectric constant of about 4400 and dielectric loss (tan d=0.267) at 10 Hz, and at the Curie temperature (Tc=132°C). The remanent polarization and the coercive field of Ba0.97Ho0.03TiO3 ceramics, at 1 kHz, were Pr=6 mC/cm2 and EC = 0.75 kV/cm. The dielectric and ferroelectric behavior of the holmium-doped BaTiO3 is influenced by the amphoteric character of Ho3+ ions (literal)
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