Giovanni De Bellis

High-power Powder Bed Fusion–Laser Based of Dragon Copper: Microstructure, mechanical properties, and application to next-generation gravitational wave detectors

Francesco Filoscia, Valerio Pettinacci, Marco Ricci, Giulia Pedrizzetti et autres

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Toward high-resolution low-energy electron spectroscopy with transition-edge sensors

Roberto Ammendola, Alice Apponi, G. Benato, Maria Grazia Betti et autres

We present a study of the energy resolution of transition-edge sensors (TESs) for the detection of electrons in the 100-eV kinetic energy range. The TES is a Ti-Au bilayer with an active area of ( 60 × 60 ) μ m 2 …

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How Gellan gum gelation is affected by acyl substituents: from hierarchical organization to simple viscoelastic behavior

Leonardo Severini, Letizia Tavagnacco, Giovanni De Bellis, Greta Petrella et autres

Gellan gum, a linear anionic exopolysaccharide, is widely employed as a gelling agent owing to its biocompatibility and tunable rheological properties. Its degree of acylation determines high acyl (HA-Gg) and low acyl (LA-Gg) forms, yielding hydrogels with different chemical-physical properties. Rheological measurements …

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Fluorine-Free All-Nanocarbon Anodes for Lithium-Ion Batteries

João Cunha, Siva Sankar Nemala, Hong Yin, İhsan Çaha et autres

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Sustainable graphene production for solution-processed microsupercapacitors and multipurpose flexible electronics

Siva Sankar Nemala, João Fernandes, João Rodrigues, Vicente Lopes et autres

The growing demand for portable and wearable electronics, Internet of Things microdevices, and wireless sensor networks has led to the development of miniaturized energy storage devices, such as microsupercapacitors (mSCs). With excellent electrical conductivity and high surface area in a layered structure, …

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Recycling of a commercial biodegradable polymer blend: Influence of reprocessing cycles on rheological and thermo-mechanical properties

Irene Bavasso, Maria Paola Bracciale, Giovanni De Bellis, Alessia Pantaleoni et autres

Mechanical recycling is a viable option for reducing plastic waste, especially for post-consumer waste and scraps from production processes. Biodegradable polymers have gained attention as alternatives to conventional ones, and their potential for reprocessing using standard techniques before composting needs to be …

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Decorated Corams of Palazzo Chigi: Characterisation and Preservation Treatment

Monia Vadrucci, Cristina Cicero, M. Chiari, Giovanni De Bellis et autres

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Sustainable Graphene Production for Solution-Processed Microsupercapacitors and Multipurpose Flexible Electronics

Siva Nemala Sankar, João Fernandes, João Rodrigues, Vicente Lopes et autres

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Transmission through graphene of electrons in the 30 – 900 eV range

Alice Apponi, Domenica Convertino, Neeraj Mishra, Camilla Coletti et autres

Here, we report on accurate transmission measurements of electrons below 1 keV through suspended monolayer graphene. Monolayer graphene was grown via chemical vapor deposition and transferred onto transmission electron microscopy (TEM) grids. A monochromatic electron gun has been employed to perform the …

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Effect of strong DC Electric Fields on the flow properties of insulating liquids at different temperatures

Gabriele Galbato Muscio, Luigi Calcara, M. Pompili, Giovanni De Bellis

The ever-increasing interest in High Voltage Direct Current (HVDC) power transmission systems, (e.g. those associated with the transport of electrical energy from rapidly expanding offshore wind farms, the bulk transmission of electrical power over long distances, etc.), is driving a great deal …

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Material jetting of carbon nano onions for printed electronics

Rui M. R. Pinto, Siva Sankar Nemala, Mohammadmahdi Faraji, João Fernandes et autres

Abstract As an additive manufacturing process, material jetting techniques allow to selectively deposit droplets of materials in liquid or powder form through a small-diameter aperture, such as a nozzle of a print head. For the fabrication of printed electronics, a variety of …

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Transmission Through Graphene of Electrons in the 30 - 900 Ev Range

Alice Apponi, Domenica Convertino, Neeraj Mishra, Camilla Coletti et autres

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