Hydrogenated amorphous silicon high flux x-ray detectors for synchrotron microbeam radiation therapy

…, M Bizzarri, L Calcagnile, M Caprai… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. Microbeam radiation therapy (MRT) is an alternative emerging radiotherapy
treatment modality which has demonstrated effective radioresistant tumour control while sparing …

Displacement damage in Hydrogenated Amorphous Silicon pin diodes and charge selective contacts detectors

…, M Bizzarri, M Boscardin, L Calcagnile, M Caprai… - Authorea …, 2023 - techrxiv.org
Hydrogenated amorphous silicon is a well known detector material for its radiation resistance.
This study concern 10 µm thickness, pin and charge selective contacts planar diode …

Fabrication of a hydrogenated amorphous silicon detector in 3-D geometry and preliminary test on planar prototypes

M Menichelli, M Bizzarri, M Boscardin, M Caprai… - Instruments, 2021 - mdpi.com
Hydrogenated amorphous silicon (a-Si:H) can be produced by plasma-enhanced chemical
vapor deposition (PECVD) of SiH 4 (silane) mixed with hydrogen. The resulting material …

Design and performance of the prototype Schwarzschild-Couder telescope camera

…, R Canestrari, M Capasso, M Caprai… - Journal of …, 2022 - spiedigitallibrary.org
The prototype Schwarzschild-Couder Telescope (pSCT) is a candidate for a medium-sized
telescope in the Cherenkov Telescope Array. The pSCT is based on a dual-mirror optics …

Characterization of hydrogenated amorphous silicon sensors on polyimide flexible substrate

…, M Bizzarri, L Calcagnile, M Caprai… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Hydrogenated amorphous silicon (a-Si:H) is a material having an intrinsically high radiation
hardness that can be deposited on flexible substrates such as polyimide (PI). For these …

High-Resolution Photoemission Study of Neutron-Induced Defects in Amorphous Hydrogenated Silicon Devices

…, M Bizzarri, M Boscardin, L Calcagnile, M Caprai… - Nanomaterials, 2022 - mdpi.com
In this paper, by means of high-resolution photoemission, soft X-ray absorption and atomic
force microscopy, we investigate, for the first time, the mechanisms of damaging, induced by …

Verification of the optical system of the 9.7-m prototype Schwarzschild-Couder Telescope

…, RA Cameron, M Capasso, M Caprai… - … and Verification XIII, 2020 - spiedigitallibrary.org
For the first time in the history of ground-based y-ray astronomy, the on-axis performance of
the dual mirror, aspheric, aplanatic Schwarzschild-Couder optical system has been …

[HTML][HTML] Mobility Gaps of Hydrogenated Amorphous Silicon Related to Hydrogen Concentration and Its Influence on Electrical Performance

…, C Calcatelli, D Calvo, S Caponi, M Caprai… - Nanomaterials, 2024 - mdpi.com
This paper presents a comprehensive study of hydrogenated amorphous silicon (a-Si)-based
detectors, utilizing electrical characterization, Raman spectroscopy, photoemission, and …

Characterization and assembly of near-ultraviolet SiPMs for the Schwarzschild-Couder medium-size telescope proposed for the CTA Observatory

…, R Bose, A Brill, JH Buckley, M Caprai… - Hard X-Ray …, 2019 - spiedigitallibrary.org
The first prototype of the Schwarzschild Couder Medium Size Telescope (pSCT) proposed for
the CTA observatory has been installed in 2018 at the Fred Lawrence Whipple Observatory…

Performance of 3D diamond detectors in small field dosimetry: The impact of pixel size

…, S Sciortino, S Lagomarsino, M Ionica, M Caprai… - Physica Medica, 2022 - Elsevier
Purpose: Small photon beams used in radiotherapy techniques have inherent characteristics
of charge particle disequilibrium and high-dose gradient making accurate dosimetry for …