Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Konstantinos Ninos"'
Autor:
Stavros Tseremoglou, Christos Michail, Ioannis Valais, Konstantinos Ninos, Athanasios Bakas, Ioannis Kandarakis, George Fountos, Nektarios Kalyvas
Publikováno v:
Crystals, Vol 14, Iss 1, p 24 (2023)
The present study focuses on the determination of the optimal crystal thickness of LaCl3:Ce and LaBr3:Ce crystal scintillators for Nuclear Medicine Imaging applications. A theoretical model was applied for the estimation of the optical efficiency of
Externí odkaz:
https://doaj.org/article/04eb5fd6cafe4142ad0364c39766439b
Autor:
Stavros Tseremoglou, Christos Michail, Ioannis Valais, Konstantinos Ninos, Athanasios Bakas, Ioannis Kandarakis, George Fountos, Nektarios Kalyvas
Publikováno v:
Applied Sciences, Vol 13, Iss 1, p 419 (2022)
In the present study, the response of the crystalline scintillator LaBr3:Ce when excited with X-rays at tube voltages from 50 kVp to 150 kVp was investigated, for possible use in hybrid medical-imaging systems. A single crystal (10 × 10 × 10 mm3) w
Externí odkaz:
https://doaj.org/article/f6f4cbdc84054cb1a6765a6871e5f5a1
Autor:
Niki Martini, Vaia Koukou, George Fountos, Ioannis Valais, Ioannis Kandarakis, Christos Michail, Athanasios Bakas, Eleftherios Lavdas, Konstantinos Ninos, Georgia Oikonomou, Lida Gogou, George Panayiotakis
Publikováno v:
Frattura ed Integrità Strutturale, Vol 13, Iss 50, Pp 471-480 (2019)
The aim of this study was to investigate the modulation transfer function (MTF) and the effective gain transfer function (eGTF) of a non-destruc¬¬tive testing (NDT)/industrial inspection complementary metal oxide semi¬conductor (CMOS) sensor in co
Externí odkaz:
https://doaj.org/article/392bb20ff84c4dd280783bfb317a613b
Autor:
Dionysios Linardatos, Christos Michail, Nektarios Kalyvas, Konstantinos Ninos, Athanasios Bakas, Ioannis Valais, George Fountos, Ioannis Kandarakis
Publikováno v:
Crystals, Vol 12, Iss 7, p 909 (2022)
A rare-earth trihalide scintillator, CeBr3, in 1 cm edge cubic monocrystal form, is examined with regard to its principal luminescence and scintillation properties, as a candidate for radiation imaging applications. This relatively new material exhib
Externí odkaz:
https://doaj.org/article/6a2ec514843246179cc34ad105b3e3d3
Autor:
Stavros Tseremoglou, Christos Michail, Ioannis Valais, Konstantinos Ninos, Athanasios Bakas, Ioannis Kandarakis, George Fountos, Nektarios Kalyvas
Publikováno v:
Crystals, Vol 12, Iss 5, p 655 (2022)
The aim of this study is to evaluate the suitability of crystalline scintillator LaCl3:Ce for possible use in hybrid medical imaging systems, such as PET/CT and SPECT/CT scanners. For this purpose, a single crystal (10 × 10 × 10 mm3) was irradiated
Externí odkaz:
https://doaj.org/article/b43ce19db0f147f6aff2eb1ae40a7d82
Autor:
Dionysios Linardatos, Dafni Revi, Vasileios Ntoupis, Nektarios Kalyvas, Konstantinos Ninos, Athanasios Bakas, Eleftherios Lavdas, Ioannis Kandarakis, George Fountos, Ioannis Valais, Christos Michail
Publikováno v:
Procedia Structural Integrity. 41:82-86
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a942254b12b380acf586c698923a3b68
https://doi.org/10.1016/j.prostr.2022.05.010
https://doi.org/10.1016/j.prostr.2022.05.010
Autor:
Dionysios Linardatos, Anastasios Konstantinidis, Ioannis Valais, Konstantinos Ninos, Nektarios Kalyvas, Athanasios Bakas, Ioannis Kandarakis, George Fountos, Christos Michail
Publikováno v:
Crystals, Vol 10, Iss 11, p 961 (2020)
In this study, the light output of a zinc selenide activated with tellurium (ZnSe: Te) single crystal was measured for X-ray radiography applications. A cubic crystal (10 × 10 × 10 mm) was irradiated using X-rays with tube voltages from 50 to 130 k
Externí odkaz:
https://doaj.org/article/8dcbd6e175734f2bac4a48dcf15750d5
Autor:
George Saatsakis, Nektarios Kalyvas, Christos Michail, Konstantinos Ninos, Athanasios Bakas, Christina Fountzoula, Ioannis Sianoudis, George E. Karpetas, George Fountos, Ioannis Kandarakis, Ioannis Valais, George Panayiotakis
Publikováno v:
Crystals, Vol 9, Iss 7, p 343 (2019)
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 (PMMA)/methyl methacrylate (MMA) composite ZnCuInS/ZnS (core/sh
Externí odkaz:
https://doaj.org/article/a2ef113564094f1a9a7064fc2798f849
Autor:
Christos Michail, Nektarios Kalyvas, Athanasios Bakas, Konstantinos Ninos, Ioannis Sianoudis, George Fountos, Ioannis Kandarakis, George Panayiotakis, Ioannis Valais
Publikováno v:
Crystals, Vol 9, Iss 5, p 234 (2019)
The absolute luminescence efficiency (AE) of a calcium fluoride (CaF2:Eu) single crystal doped with europium was studied using X-ray energies met in general radiography. A CaF2:Eu single crystal with dimensions of 10 × 10 × 10 mm3 was irradiated by
Externí odkaz:
https://doaj.org/article/c2cd1b18e5da47bda87b0d8b319e43a2
Autor:
Nektarios Kalyvas, George Saatsakis, Christos Michail, I. Valais, Ioannis Kandarakis, Eleftherios Lavdas, Dionysios Linardatos, Konstantinos Ninos, George E. Karpetas, Athanasios Bakas, George Fountos
Publikováno v:
Procedia Structural Integrity. 33:287-294
It is well known that the luminescence efficiency of single crystals is affected by external parameters, such as the environmental temperature, especially in harsh environments. Due to this, it is of worth to examine the influence of temperature on t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d34bc984a36064e444c8ab684b8b4d03
https://doi.org/10.1016/j.prostr.2021.10.035
https://doi.org/10.1016/j.prostr.2021.10.035