Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Flame spray deposition of nanocrystalline dense Ce0.8Gd0.2O2−δ thin films : deposition mechanism and microstructural characterization
Authors: Karageorgakis, Nikolaos I.
Heel, Andre
Graule, Thomas
Gauckler, Ludwig J.
DOI: 10.1016/j.ssi.2010.04.030
Published in: Solid State Ionics
Volume(Issue): 192
Issue: 1
Pages: 464
Pages to: 471
Issue Date: 2011
Publisher / Ed. Institution: Elsevier
ISSN: 0167-2738
1872-7689
Language: English
Subjects: CGO; Thin film; Flame spray; Micro-SOFC; Microstructure
Subject (DDC): 660: Chemical engineering
Abstract: Nanocrystalline dense sub-micron thin films of Ce0.8Gd0.2O2-δ have been successfully deposited by flame spray deposition. The deposition mechanism has been identified as droplet deposition. The deposition temperature of the substrate was as low as 200°C and the deposition rate ~30 nm/min. Under these conditions the droplets have a very limited residence time in the hot zone of the flame and are deposited as liquid, forming smooth films free of particles. They exhibited a dense and crack-free microstructure. Grain growth, lattice constant, crystallographic density and surface roughness have been investigated as a function of annealing temperature. The good quality of the films, in association with the high deposition rates at low deposition temperatures shows the preeminence of the flame spray method for depositing thin films for micro-solid oxide fuel cells.
URI: https://digitalcollection.zhaw.ch/handle/11475/9266
Fulltext version: Published version
License (according to publishing contract): Licence according to publishing contract
Departement: School of Engineering
Organisational Unit: Institute of Materials and Process Engineering (IMPE)
Appears in collections:Publikationen School of Engineering

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