Luminescence efficiency of calcium tungstate (CaWO4) under X-ray radiation: Comparison with Gd2O2S: Tb

C Michail, I Valais, G Fountos, A Bakas, C Fountzoula… - Measurement, 2018 - Elsevier
The aim of the present study was to investigate the absolute luminescence efficiency (AE) of
a CaWO 4 screen, under X-ray irradiation and to compare it with a custom made PMMA/Gd 2 …

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 …

Characterization of breast calcification types using dual energy x-ray method

N Martini, V Koukou, G Fountos, C Michail… - Physics in Medicine …, 2017 - iopscience.iop.org
Calcifications are products of mineralization whose presence is usually associated with
pathological conditions. The minerals mostly seen in several diseases are calcium oxalate …

Bone calcium/phosphorus ratio determination using dual energy X-ray method

P Sotiropoulou, G Fountos, N Martini, V Koukou… - Physica Medica, 2015 - Elsevier
Non-invasive dual energy methods have been used extensively on osteoporosis diagnosis
estimating parameters, such as, Bone Mineral Density (BMD) and Bone Mineral Content …

Light emission efficiency and imaging performance of Lu2O3: Eu nanophosphor under X-ray radiography conditions: Comparison with Gd2O2S: Eu

I Seferis, C Michail, I Valais, J Zeler, P Liaparinos… - Journal of …, 2014 - Elsevier
Nanocrystallic europium-activated lutetium oxide (Lu 2 O 3: Eu) is a strong candidate for use
in digital medical imaging applications, due to its spectroscopic and structural properties …

Fiber-read radiation monitoring system using an optical fiber and red-emitting scintillator for ultra-high-dose conditions

S Kodama, S Kurosawa, M Ohno… - Applied Physics …, 2020 - iopscience.iop.org
We have developed a remote scintillation detector using a CCD spectrometer and a red-
emitting scintillator coupled with a 20 m optical fiber for ultra-high-dose conditions. Gamma …

On the response of GdAlO3: Ce powder scintillators

C Michail, N Kalyvas, I Valais, S David, I Seferis… - Journal of …, 2013 - Elsevier
The aim of the present study was to investigate the luminescence efficiency (XLE) of
gadolinium aluminum perovskite (GdAlO 3: Ce) powder scintillator. This powder phosphor …

Samarium doped calcium fluoride: A red scintillator and X-ray phosphor

LC Dixie, A Edgar, CM Bartle - … and Methods in Physics Research Section …, 2014 - Elsevier
We report the photoluminescence, X-ray luminescence and scintillation properties of CaF 2:
Sm 2+. Large single crystals of CaF 2: Sm 2+ were grown by simply slow cooling of the …

Evaluation of Gd2O2S: Pr granular phosphor properties for X-ray mammography imaging

S David, C Michail, I Seferis, I Valais, G Fountos… - Journal of …, 2016 - Elsevier
Phosphor materials are widely used in X-ray medical imaging detector applications, coupled
with suitable photoreceptors. Upon the most demanding imaging modality is X-ray …