High‐Quality Epitaxial Five‐Layer Aurivillius Films with In‐Plane Ferroelectricity for Electrocaloric Cooling

Abstract High‐quality purely c‐axis oriented epitaxial thin films of the Aurivillius phase Sr2Bi4Ti5O18 with n = 5 (Sr,Bi)TiO3 perovskite‐like layers, are grown on SrTiO3 substrates by pulsed laser deposition. The highest crystalline quality is obtained with a 20 wt.% Bi‐excess target and average st...

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Auteurs principaux:	Sara Lafuerza, Javier Blasco, Marco Evangelisti, Gloria Subías, David Gracia, José Á. Pardo, Eduardo Barriuso, Xavier Torrelles, Jessica Padilla‐Pantoja, José M. Caicedo, José Santiso
Format:	Artigo
Langue:	Inglês
Publié:	Wiley-VCH 2025-07-01
Collection:	Advanced Electronic Materials
Sujets:	aurivillius oxides epitaxial thin films ferroelectricity pulsed laser deposition solid‐state electrocaloric cooling
Accès en ligne:	https://doi.org/10.1002/aelm.202400962
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