Determination of the detective quantum efficiency (DQE) of CMOS/CsI imaging detectors following the novel IEC 62220-1-1: 2015 International Standard

C Michail, I Valais, N Martini, V Koukou, N Kalyvas… - Radiation …, 2016 - Elsevier
The purpose of the present study was to determine the Detective Quantum Efficiency (DQE)
of CMOS imaging detectors, coupled to structured CsI: Tl and Gd 2 O 2 S: Tb scintillating …

ZnS: Cu, Co water-soluble afterglow nanoparticles: synthesis, luminescence and potential applications

L Ma, W Chen - Nanotechnology, 2010 - iopscience.iop.org
Abstract Cu 2+ and Co 2+ co-doped zinc sulfide water-soluble nanoparticles (ZnS: Cu, Co)
were prepared and their afterglow luminescence was observed and reported for the first …

High-Efficiency ZnS: Cu+, Al3+ Scintillator for X-ray Detection in a Non-Darkroom Environment

X Li, X Zhu, H Tang, J Zhang, M Zhou, Q Peng… - Inorganic …, 2023 - ACS Publications
Scintillator is a key component in X-ray detectors that determine the performance of the
devices. Nevertheless, due to the interference of the ambient light sources, scintillators are …

Measurement of the luminescence properties of Gd2O2S: Pr, Ce, F powder scintillators under X-ray radiation

C Michail, I Valais, I Seferis, N Kalyvas, S David… - Radiation …, 2014 - Elsevier
The aim of the present study was to investigate the absolute luminescence efficiency of
gadolinium oxysulfide powder scintillators, doped with praseodymium, cerium and fluorine …

Experimental measurement of a high resolution CMOS detector coupled to CsI scintillators under X-ray radiation

C Michail, I Valais, I Seferis, N Kalyvas, G Fountos… - Radiation …, 2015 - Elsevier
The purpose of the present study was to assess the information content of structured CsI: Tl
scintillating screens, specially treated to be compatible to a CMOS digital imaging optical …

Optical characteristics of ZnCuInS/ZnS (core/shell) nanocrystal flexible films under X-ray excitation

G Saatsakis, N Kalyvas, C Michail, K Ninos, A Bakas… - Crystals, 2019 - mdpi.com
The aim of this article is to evaluate optical characteristics, such as the intrinsic conversion
efficiency and the inherent light propagation efficiency of three polymethyl methacrylate …

The thermoluminescence properties of copper doped ZnS nanophosphor

AN Yazici, M Öztaş, M Bedir - Optical Materials, 2007 - Elsevier
In the given study, the thermoluminescence (TL) properties of copper (Cu) doped ZnS
nanophosphors were investigated after beta-irradiation at room temperature (RT). The ZnS …

Radioluminescence properties of the CdSe/ZnS Quantum Dot nanocrystals with analysis of long-memory trends

D Nikolopoulos, I Valais, C Michail, A Bakas… - Radiation …, 2016 - Elsevier
This paper reports radioluminescence properties of the CdSe/ZnS quantum dots. Three
quantum dot samples were prepared with concentrations 14.2× 10− 5 mg/mL, 21.3× 10− 5 …

Nanostructured scintillator developed in-house for radon detection

AM Abdalla, S Almalki, N Kawaguchi… - Radiation Physics and …, 2022 - Elsevier
The scintillation properties and radiation applications of Cu doped ZnS, which were
Prepared from alumina crucibles in the nitrogen atmosphere and activated at 960° C, have …

Modeling of ZnS quantum dots synthesis by DFT techniques

AAA De Queiroz, M Martins, DAW Soares… - Journal of Molecular …, 2008 - Elsevier
Zinc sulfide (ZnS) and doped zinc sulfide (ZnS: Cu) were prepared by the polyol process
using polyethylene glycol (PEG) as the ceramic precursor. Thiourea (TU) was employed for …