Dielectric properties of pure (BaSr)TiO3 and composites with different grain sizes ranging from the nanometer to the micrometer

Virginie Hornebecq (1) , Christophe Huber (2) , Mario Maglione (2) , Markus Antonietti (1) , Catherine Elissalde (2)

1 Max Planck Institute of Colloids and Interfaces
2 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux

Starting with a BST (Ba0.6Sr0.4TiO3) nanopowder with a mean diameter of about 50 nm, the average grain size increases from the nanometer to the micrometer range (from 70 nm to 1-2 µm) by thermal annealing between 700 and 1400 °C.

Mots clés: Barium strontium titanate (BST); Core-shell materials; Dielectric materials; Ferroelectric materials; Nanocomposites

Domaines: Matériaux

Virginie Hornebecq, Christophe Huber, Mario Maglione, Markus Antonietti, Catherine Elissalde. Dielectric properties of pure (BaSr)TiO3 and composites with different grain sizes ranging from the nanometer to the micrometer. Advanced Functional Materials, 2004, 14 (9), pp.899-904. ⟨10.1002/adfm.200305052⟩. ⟨hal-00150757⟩