Advanced epitaxial lift‐off and transfer procedure for the fabrication of high‐quality functional oxide membranes
Bouaziz, J., Cancellieri, C., Rheingans, B., Jeurgens, L. P. H., & La Mattina, F.
Advanced Materials Interfaces, 2201458 (20 pp.) (2022).
Abstract
Mechanical strain-enhanced ionic-conductivity in metal oxide membranes for energy applications
Elastic strain generated at the heterointerface between different metal oxides (in oxide nanocompo-sites) have been proposed as a strategy to intrinsically enhance the ionic conductivity at low opera-tion temperatures. Typical strain achieved by selected lattice mismatch at the heterointerface, can be only as high as about 2 − 3%. We investigate an alternative methods for straining oxide-ion conductor thin films and membranes at much higher levels toward plastic regime in order to enhance their ionic conductivity far beyond the current limits. To this end, single- and poly-crystalline thin films of typical oxide-ion conductor materials, will be prepared and transferred into bending setup to incrementally impose strain levels.
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