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The development of sol–gel derived TiO2 thin films and corresponding memristor architectures

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Abstract

We report the development of sol–gel derived TiO2 thin films with adjustable and defined properties suitable for memristive cell fabrication. Memristive cells were developed by the sol–gel deposition of titania onto SiO2/Ti/Pt engineered electrodes via spin coating, followed by diverse curing and annealing procedures. The influence of the processing conditions and the sol's chemical composition on the film properties, and therefore on the memristive response, was studied by micro-Raman and transmission spectroscopies, profilometry, ellipsometry, X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and X-ray absorption and diffraction spectroscopies (XAS and XRD). A memristive response was acquired from a number of these cells, revealing a dependence of the electrical behavior on minor changes in the TiO2 structure, electroforming parameters, and architecture. Thus, these properties provide a handle for fine-tuning electrical performance.

Graphical abstract: The development of sol–gel derived TiO2 thin films and corresponding memristor architectures

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Publication details

The article was received on 21 Oct 2016, accepted on 14 Nov 2016 and first published on 09 Jan 2017


Article type: Paper
DOI: 10.1039/C6RA25618J
RSC Adv., 2017,7, 1654-1663
  • Open access: Creative Commons BY-NC license
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    The development of sol–gel derived TiO2 thin films and corresponding memristor architectures

    V. Prusakova, C. Collini, M. Nardi, R. Tatti, L. Lunelli, L. Vanzetti, L. Lorenzelli, G. Baldi, A. Chiappini, A. Chiasera, D. Ristic, R. Verucchi, M. Bortolotti and S. Dirè, RSC Adv., 2017, 7, 1654
    DOI: 10.1039/C6RA25618J

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