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Prodotti recenti

Improved Boiling Heat Transfer in Dry Etched Microchannels With Laser Structured Surfaces

The currently available microchannel fabrication techniques ranging from various etching methods and micro electrical discharge machining to laser microfabrication have some apparent advantages and weaknesses when compared one to another. Manufacturing process should satisfy several important criteria: diversit...

2D Carbon Material/Silicon Heterojunctions for Fast Response Self-Powered Photodetector

Photodetectors (PDs) based on single-walled carbon nanotube film/silicon and graphene/silicon heterojunctions have been realized for fast applications. We investigated the response of the PDs to femtosecond pulsed laser using a three-electrode configuration for photoconductive operations. Both junction...

Femtosecond light pulse response of photodetectors based on Graphene/n-Si heterojunctions

To take advantage of the graphene appealing electronic properties, in this work we present a photodetector (PD) based on graphene/n-silicon heterojunction (GSH). In this device, graphene acts as light transmitter, counter electrode junction element and photocarrier collector. The photodetector ha...

Development of MEMS MOS gas sensors with CMOS compatible PECVD inter-metal passivation

Metal oxide semiconductor (MOS) based micro-electromechanical sensors (MEMS) for gas measurement were developed using back-end-of-line (BEOL) compatible inter-metal dielectric films deposited by Plasma Enhanced Chemical Vapor Deposition (PECVD). As MOS MEMS require sintering above 600°C, a set of PECVD...

Characterization of ARDESIA: a 4-channel SDD X-ray spectrometer for synchrotron measurements at high count rates

ARDESIA is an SDD-based, X-ray spectrometer, optimized for synchrotron measurements that require high count rates (>1 Mcounts/s/channel) and good energy resolution (<130 eV of FHWM Mn-Kα line at optimum shaping time, ≤ 200 eV at short shaping times). The main target a...

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