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

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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Bibliographic Details
Main Authors: 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: Article
Language:English
Published: Wiley-VCH 2025-07-01
Series:Advanced Electronic Materials
Subjects:
aurivillius oxides
epitaxial thin films
ferroelectricity
pulsed laser deposition
solid‐state electrocaloric cooling
Online Access:https://doi.org/10.1002/aelm.202400962
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