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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/25792

Title: Thin film composites in the BiFeO3–Bi4Ti3O12 system obtained by an aqueous solution-gel deposition methodology
Other Titles: Obtención de láminas delgadas del sistema compuesto BiFeO3-Bi4Ti3O12 mediante procesamiento disolución-gel en medio acuoso
Authors: Gumiel, Carlos
Vranken, Thomas
Bernardo, Mara S.
Jardiel, Teresa
Hardy, An
Van Bael, Marlies
Peiteado, Marco
Issue Date: 2018
Abstract: Thin film multiferroic composites, with a high quantity of interfaces between the different materials, represent a more feasible alternative to single phase systems in which the multifunctional response is usually hampered due to intrinsic physical constraints. Nowadays some of these composites can be produced by applying deposition techniques such as PLD, CVD, MBE or the like, which allow a high degree of crystallographic control. However, despite their effectiveness, all these techniques also involve a high consumption of energy in terms of temperature and/or vacuum. Within this frame, the present contribution proposes a sustainable chemical solution deposition process to prepare thin films of the multiferroic BiFeO3–Bi4Ti3O12 composite system. More specifically an aqueous solution-gel plus spin-coating methodology is employed which also avoids the organic solvents typically used in a conventional sol–gel method, so further keeping an eye on the environmentally friendly conditions. Attempts are conducted that demonstrate how by systematically controlling the processing parameters it is possible to obtain thin film composites with a promising 3-3 type connectivity at temperatures as low as 600 °C.
URI: http://hdl.handle.net/1942/25792
DOI: 10.1016/j.bsecv.2017.09.001
ISSN: 0366-3175
Category: A1
Type: Journal Contribution
Appears in Collections: Research publications

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