Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/48919
Title: Conductive oxides as electrode materials for perovskite ferroelectric ceramic films
Authors: HUANG LI XIA, ALICIA
Keywords: ceramic oxide, perovskite, electrode, thick film, thin film
Issue Date: 23-Dec-2006
Source: HUANG LI XIA, ALICIA (2006-12-23). Conductive oxides as electrode materials for perovskite ferroelectric ceramic films. ScholarBank@NUS Repository.
Abstract: Conductive LaNi0.6Co0.4O3 (LNCO) and La0.7Sr0.3MnO3 (LSMO) perovskite ceramic oxides make ideal electrodes for perovskite ferroelectric and piezoelectric thin and thick film devices, as they can facilitate film growth and improve fatigue behavior. LNCO ceramic were successfully synthesized by solid state reaction. The effects of different types and amount of glasses on the sintering and electrical conductive properties of the LNCO ceramic were investigated. 10 wt% Bi2O3-SiO2-Al2O3 glasses improve the sinterability while maintaining the electrical conductivity of the LNCO ceramic but reduce the conductivity of the screen-printed LNCO thick film. Polycrystalline LNCO thin films with superior electrical conductivity were successfully synthesized on yittria-stabilized ZrO2 buffered Si substrate by a chemical solution deposition method (CSD). Highly oriented LNCO and LSMO thin films on LaAlO3 substrates were also prepared. Their electrical and structural properties were studied. 0.77(0.4PZN-0.6PMN)a??0.23PT thin film deposited on LSMO electrode by CSD showed better ferroelectric and dielectric properties.
URI: http://scholarbank.nus.edu.sg/handle/10635/48919
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