Publications by authors named "Xavier Mescot"

Article Synopsis
  • Zinc oxide nanowires (ZnO NWs) are promising for creating flexible energy harvesters and sensors but require low-temperature methods for integration with plastic substrates.
  • Gravure printing is highlighted as an effective technique for depositing thin ZnO seed layers onto flexible polymers due to its cost-effectiveness and ability to operate at high speeds and large areas.
  • The study demonstrates that ZnO nanowires can grow on these printed layers, revealing favorable piezoelectric properties and paving the way for vacuum-free production of flexible piezoelectric devices.
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Field effect transistors (FETs) based on networks of randomly oriented Si nanowires (Si nanonets or Si NNs) were biomodified using Thrombin Binding Aptamer (TBA-15) probe with the final objective to sense thrombin by electrical detection. In this work, the impact of the biomodification on the electrical properties of the Si NN-FETs was studied. First, the results that were obtained for the optimization of the (3-Glycidyloxypropyl)trimethoxysilane (GOPS)-based biofunctionalization process by using UV radiation are reported.

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ZnO thin films and nanostructures have received increasing interest in the field of piezoelectricity over the last decade, but their formation mechanisms on silicon when using pulsed-liquid injection metal-organic chemical vapor deposition (PLI-MOCVD) are still open to a large extent. Also, the effects of their morphology, dimensions, polarity, and electrical properties on their piezoelectric properties have not been completely decoupled yet. By only tuning the growth temperature from 400 to 750 °C while fixing the other growth conditions, the morphology transition of ZnO deposits on silicon from stacked thin films to nanowires through columnar thin films is shown.

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The next generation of electronic devices requires faster operation velocity, higher storage capacity and reduction of the power consumption. In this context, resistive switching memory chips emerge as promising candidates for developing new non-volatile memory modules. Manganites have received increasing interest as memristive material as they exhibit a remarkable switching response.

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