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Innovative method to produce large-area freestanding functional ceramic foils

Leighton, G, Jones, P, Lonne, Q, Dorey, Robert and Giuliano, F (2018) Innovative method to produce large-area freestanding functional ceramic foils Journal of the European Ceramic Society, 38 (10). pp. 3483-3488.

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JECS-D-17-01731 revised version.docx - Accepted version Manuscript
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Using thick and thin films instead of bulk functional materials presents tremendous advantages in the field of flexible electronics and component miniaturization. Here, a low-cost method to grow and release large-area, microscale thickness, freestanding, functional, ceramic foils is reported. It uses evaporation of sodium chloride to silicon wafer substrates as sacrificial layers, upon which functional lead titanate zirconate ceramic films are grown at 710 °C maximum temperature to validate the method. The freestanding, functional foils are then released by dissolution of the sacrificial sodium chloride in water and have the potential to be integrated into low-thermal stability printed circuits and flexible substrates. The optimization of the sodium chloride layer surface quality and bonding strength with the underlying wafer is achieved thanks to pre-annealing treatment.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
Leighton, G
Jones, P
Lonne, Q
Giuliano, F
Date : 31 March 2018
Funders : EPSRC
DOI : 10.1016/j.jeurceramsoc.2018.03.051
Copyright Disclaimer : © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Uncontrolled Keywords : Freestanding functional foils; NaCl sacrificial layers; PZT ceramic films; Ferroelectric
Depositing User : Melanie Hughes
Date Deposited : 10 Apr 2018 11:56
Last Modified : 31 Mar 2019 02:08

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