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Published in: Journal of Materials Science: Materials in Electronics 23/2020

22-10-2020

Preparation and dielectric properties of order nanoporous TiO2/PAA film

Authors: Lihu Liu, Zixuan Chen, Tingting Lu, Qin Xu, Huiyuan Sun

Published in: Journal of Materials Science: Materials in Electronics | Issue 23/2020

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Abstract

Polycrystalline order nanoporous TiO2/PAA (porous anodic alumina) composite films have been prepared by reactive DC magnetron sputtering technique at room temperature. The crystalline phase and morphology of the deposited film were investigated by X-ray diffraction spectra (XRD) and scanning electron microscopy (SEM), respectively. The results showed that the post-annealing treatment could facilitate film crystallization. The influences of pore diameter and electric field frequency on the dielectric properties of TiO2/PAA samples were systematically studied. It was found that the dielectric properties of the films depended on the pore diameters. The unipolar polarization–electric field loops for all the samples were evaluated. Interestingly, lower remnant polarization was found in the bigger pore diameter TiO2/PAA composite films, suggesting high energy storage and low loss of the sample.

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Literature
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Metadata
Title
Preparation and dielectric properties of order nanoporous TiO2/PAA film
Authors
Lihu Liu
Zixuan Chen
Tingting Lu
Qin Xu
Huiyuan Sun
Publication date
22-10-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 23/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04674-z

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