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We have implemented a tin-oxide-decorated carbon nanotube (CNT) network gas sensor system on a single die. We have also demonstrated the deposition of metallic tin on the CNT network, its subsequent oxidation in air, and the improvement of the lifetime of the sensors. The fabricated array of CNT sensors contains 128 sensor cells for added redundancy and(More)
Recent work has demonstrated excellent p-type field-effect switching in exfoliated black phosphorus, but type control has remained elusive. Here, we report unipolar n-type black phosphorus transistors with switching polarity control via contact-metal engineering and flake thickness, combined with oxygen and moisture-free fabrication. With aluminium contacts(More)
Keywords: Resistive memory ReRAM Graphene Bipolar Unipolar Filament Titanium dioxide Switching mechanism a b s t r a c t We report the fabrication of resistive random access memory (ReRAM) on both Si and PET flexible sub-strates using TiO 2 as the dielectric spacer between Ag electrodes. Ag/TiO 2 /Ag ReRAM shows unipolar switching behavior with a ramping(More)
Grain boundaries in monolayer transition metal dichalcogenides have unique atomic defect structures and band dispersion relations that depend on the inter-domain misorientation angle. Here, we explore misorientation angle-dependent electrical transport at grain boundaries in monolayer MoS2 by correlating the atomic defect structures of measured devices(More)
In Fig. 3 of this article, there are a number of errors in the colours used for the data points and curves. In Fig. 3b, the blue data should be green, referring to a thickness of '3.5 nm', and the green data should be blue, referring to a thickness of '8 nm'. In Fig. 3d, the blue data should be green and refer to a thickness of '3.5 nm', the green data(More)
The accurate recommendation of daily news requires a detailed knowledge of the topics of interest to the user. The dynamic and continuous analysis of the content of the news that are read (or ignored) by the user every day may lead to the automatic, unsupervised and non-intrusive learning of the positive (and negative) preferences of the user with respect(More)
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