Nanoporous Piezo- and Ferroelectric Thin Films
authors Ferreira, P; Hou, RZ; Wu, AY; Willinger, MG; Vilarinho, PM; Mosa, J; Laberty-Robert, C; Boissiere, C; Grosso, D; Sanchez, C
nationality International
journal LANGMUIR
keywords CERAMICS; POROSITY
abstract Nanoporous barium titanate and lead titanate thin films (similar to 100 nm calculated from ellipsometric data) are prepared starting from sol gel solutions modified with a commercially available block-copolymer and evaporation-induced self-assembly methodology. The tuning of the thermal treatment followed by in situ ellipsometry allows the decomposition of the organic components and of the structuring agent leading to the formation of porous tetragonal crystalline perovskite structures as observed by XRD, HRTEM, SEM, and ellipsoporosimetry. Both nanoporous barium titanate and lead titanate thin films present local piezoelectric and ferroelectric behavior measured by piezoresponse force microscopy (PFM), being promising platforms for the preparation of the generation of new multifunctional systems.
publisher AMER CHEMICAL SOC
issn 0743-7463
year published 2012
volume 28
issue 5
beginning page 2944
ending page 2949
digital object identifier (doi) 10.1021/la204168w
web of science category Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary
subject category Chemistry; Materials Science
unique article identifier WOS:000299864500079
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journal analysis (jcr 2019):
journal impact factor 3.557
5 year journal impact factor 3.702
category normalized journal impact factor percentile 64.177
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