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Aerosol Deposition of (Cu,Ti) substituted Bismuth Vanadate Films

Title data

Exner, Jörg ; Fuierer, Paul ; Moos, Ralf:
Aerosol Deposition of (Cu,Ti) substituted Bismuth Vanadate Films.
In: Thin Solid Films. Vol. 573 (2014) . - pp. 185-190.
ISSN 0040-6090
DOI: https://doi.org/10.1016/j.tsf.2014.11.037

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
No information1060/16-1
No informationMo 1060/20

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

Bismuth vanadate, Bi4V2O11, and related compounds with various metal (Me) substitutions, Bi4(MexV1−x)2O11−δ, show some of the highest ionic conductivities among the known solid oxide electrolytes. Films of Cu and Ti substituted bismuth vanadate were prepared by an aerosol deposition method, a spray coating process also described as room temperature impact consolidation. Resultant films, several microns in thickness, were dense with good adhesion to the substrate. Scanning electron microscopy and high temperature X-ray diffraction were used to monitor the effects of temperature on the structure and microstructure of the film. The particle size remained nano-scale while microstrain decreased rapidly up to 500 °C, above which coarsening and texturing increased rapidly. Impedance measurements of films deposited on inter-digital electrodes revealed an annealing effect on the ionic conductivity, with the conductivity exceeding that of a screen printed film, and approaching that of bulk ceramic.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Faculties
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 19 Jan 2015 09:16
Last Modified: 15 Apr 2016 07:59
URI: https://eref.uni-bayreuth.de/id/eprint/4957