http://www.cnr.it/ontology/cnr/individuo/prodotto/ID22404
Grain size effect on the nonlinear dielectric properties of barium titanate ceramics (Articolo in rivista)
- Type
- Label
- Grain size effect on the nonlinear dielectric properties of barium titanate ceramics (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.3526375 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Lavinia Curecheriu; Maria Teresa Buscaglia; Vincenzo Buscaglia; Zhe Zhao; Liliana Mitoseriu (literal)
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- http://puma.isti.cnr.it/linkres.php?resource=cnr.ieni/cnr.ieni.ge/2010-A0-035 (literal)
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- Rivista
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- In: Applied Physics Letters, vol. 97 (24) article n. 242909. American Institute of Physics, 2010. (literal)
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- Note
- ISI Web of Science (WOS) (literal)
- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Department of Physics, Alexandru Ioan Cuza University, Bv. Carol I No. 11, Iasi 700506, Romania; CNR-IENI, Genova; Department of Materials and Environmental Chemistry, University of Stockholm, SE-10691 Stockholm, Sweden (literal)
- Titolo
- Grain size effect on the nonlinear dielectric properties of barium titanate ceramics (literal)
- Abstract
- The nonlinear dielectric properties of dense BaTiO3 ceramics with grain size of 1 µm-90 nm were
investigated. In the finest ceramics, the permittivity reduces below 1000 and a remarkable
nonhysteretic linear dc-tunability [epsilon(E)] is obtained at high field, above 40 kV/cm. The observed
behavior was explained by considering the nanostructured ceramic as a composite formed by
ferroelectric grains, whose nonlinearity is reducing, and by low-permittivity nonferroelectric grain
boundaries, whose volume fraction increases when decreasing the grain size. Reducing the grain
size in ferroelectric dense materials is an alternative route to accomplish the application
requirements: nonhysteretic tunability and permittivity below 1000. (literal)
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