Results 11 to 20 of about 272,094 (281)

Characterization of a Pixelated Cadmium Telluride Detector System Using a Polychromatic X-Ray Source and Gold Nanoparticle-Loaded Phantoms for Benchtop X-Ray Fluorescence Imaging

IEEE Access, 2021
Pixelated semi-conductor detectors providing high energy resolution enable parallel acquisition of x-ray fluorescence (XRF) signals, potentially leading to performance enhancement of benchtop XRF imaging or computed tomography (XFCT) systems utilizing ...
Sandun Jayarathna, Md Foiez Ahmed, Liam O'ryan, Hem Moktan, Yonggang Cui, Sang Hyun Cho   +5 more
doaj   +1 more source

Quantitative analysis of the natural ionizing radiation level in the city of Botucatu

Brazilian Journal of Radiation Sciences, 2021
A poluição que afeta o meio ambiente é dividida em danos não ionizantes (NIR) e danos ionizantes (IR). Uma poluição natural provada por radioisótopos apresenta ambientes e raios cósmicos e provoca alterações bioquímicas capazes de induzir efeitos ...
Izabella Santos da Silva Lemes, Marco Antonio Rodrigues Fernandes   +1 more
doaj   +1 more source

Optoelectronics for neutron detectors based on superheated emulsions [PDF]

EPJ Web of Conferences, 2023
This paper presents the design, assembly, and performance investigation of an optoelectronic readout system specifically designed to enhance the real-time readout capabilities of Superheated Drop Detectors (SDDs). SDDs as fast neutron detectors have been
Chierici Andrea, d’Errico Francesco
doaj   +1 more source

Silicon Radiation Detector Technologies: From Planar to 3D

Chips, 2023
Silicon radiation detectors, a special type of microelectronic sensor which plays a crucial role in many applications, are reviewed in this paper, focusing on fabrication aspects.
Gian-Franco Dalla Betta, Jixing Ye
doaj   +1 more source

A Novel Portable Gamma Radiation Sensor Based on a Monolithic Lutetium-Yttrium Oxyorthosilicate Ring

Sensors, 2021
Portable radiation detectors are widely used in environmental radiation detection and medical imaging due to their portability feature, high detection efficiency, and large field of view.
Xi Zhang, Qiangqiang Xie, Siwei Xie, Xin Yu, Jianfeng Xu, Qiyu Peng   +5 more
doaj   +1 more source

Status and perspectives of hydrogenated amorphous silicon detectors for MIP detection and beam flux measurements

Frontiers in Physics, 2022
Hydrogenated amorphous silicon (a-Si:H) particle detectors have been considered as alternatives to crystalline silicon detectors (c-Si) in high radiation environments, due to their excellent radiation hardness.
M. Menichelli, L. Servoli, N. Wyrsch
doaj   +1 more source

Comparison of effective doses for personnel performing flaw detection in stationary conditions and in situ

Радиационная гигиена, 2023
Official data on radiation doses for flaw detectors do not take into account working conditions. In the reporting forms, there is no division between personnel performing flaw detection in stationary conditions and in situ, which roughly averages the ...
S. Yu. Bazhin, E. N. Shleenkova, V. Yu. Bogatyreva, V. A. Ilyin   +3 more
doaj   +1 more source

Surface Passivation by Quantum Exclusion: On the Quantum Efficiency and Stability of Delta-Doped CCDs and CMOS Image Sensors in Space

Sensors, 2023
Radiation-induced damage and instabilities in back-illuminated silicon detectors have proved to be challenging in multiple NASA and commercial applications.
Michael E. Hoenk, April D. Jewell, Gillian Kyne, John Hennessy, Todd Jones, Charles Shapiro, Nathan Bush, Shouleh Nikzad, David Morris, Katherine Lawrie, Jesper Skottfelt   +10 more
doaj   +1 more source

Recent results on GaAs detectors - 137 [PDF]

, 1997
The present understanding of the charge collection in GaAs detectors with respect to the materials used and its processing are discussed. The radiation induced degradation of the charge collection efficiency and the leakage current of the detectors are ...
Adams, Alietti, Bates, Beaumont, Berwick, Berwick, C Da Vià, C Raine, Chmill, Da Via, Gorfine, K.M Smith, M Campbell, Manolopoulos, Nava, Nava, R.L Bates, S D'Auria, Schmid, Sloan, Spencer, Toporowsky, V O'Shea, Xiao   +23 more
core   +2 more sources

Lorentz angle measurements in irradiated silicon detectors between 77 K and 300 K [PDF]

, 2000
Future experiments are using silicon detectors in a high radiation environment and in high magnetic fields. The radiation tolerance of silicon improves by cooling it to temperatures below 180 K.
Bartsch, V., Bol, J., de Boer, W., Dierlamm, A., Grigoriev, E., Hauler, F., Heising, S., Herz, O., Jungermann, L., Keranen, R., Koppenhofer, M., Roderer, F., Schneider, T.   +12 more
core   +2 more sources