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Pàgina inicial > Articles > Articles publicats > Composite films combining electrospun fiber network and epitaxial oxide by chemical solution deposition |
Data: | 2016 |
Resum: | We report the preparation of a novel type of composites films by chemical solution deposition. It consists of an epitaxial oxide on a single crystal template inside which an oxide fiber network is dispersed. Electrospinning is used for the deposition of the fiber network whereas the continuous epitaxial phase is spin-coated. Good coating is observed between the liquid precursor of the continuous oxide and the fibers and remarkably, epitaxial (001) growth of the YBa2Cu3O7-x is not affected by the presence of the fiber network because both oxides do not react to each other. Topological continuity of the continuous phase is probed by electrical conductivity measurements, rendering nearly the same values reported for fiber-free films. Mechanical properties are determined by nanoindentation at low penetration depths to avoid the effect of the single crystal beneath the composite. Enhanced mechanical properties are found (hardness, Young's modulus, elastic recovery and wear resistance). |
Ajuts: | Ministerio de Economía y Competitividad MAT2011-28874-C02 Ministerio de Economía y Competitividad MAT2011-27380-C02-01 Ministerio de Economía y Competitividad CSD2007-0041 Ministerio de Economía y Competitividad IPT-2011-1090-920000 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-770 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-1015 |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Matèria: | Ceramic fiber ; Electrospinning ; Thin film ; Chemical solution deposition ; Mechanical properties ; Mechanical testing |
Publicat a: | Journal of sol-gel science and technology, Vol. 80, issue 2 (Nov. 2016) , p. 277-284, ISSN 0928-0707 |
Post-print 21 p, 3.0 MB |