Výsledky vyhledávání - "J.-E. Groetz"

Adsorption of water in Na-LTA zeolites: an ab initio molecular dynamics investigation

Autor: Didier Ducret, J.-E. Groetz, Freddy Torrealba Anzola, Michael Badawi, Christophe Ramseyer, Caroline Chambelland, Manuel Grivet, Joharimanitra Randrianandraina, Bruno Cardey

Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, 2021, 23 (34), pp.19032-19042. ⟨10.1039/D1CP02624K⟩
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2021, 23 (34), pp.19032-19042. ⟨10.1039/D1CP02624K⟩

The very wide range of applications of LTA zeolites, including the storage of tritiated water, implies that a detailed and accurate atomic-scale description of the adsorption processes taking place in their structure is crucial. To unravel with an un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7133a394958db32060278c3750117a3c
https://doi.org/10.1039/d1cp02624k

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Boron neutron capture therapy: Dosimetric evaluation of a brain tumor and surrounding healthy tissues using Monte Carlo Simulation

Autor: A. Tedjani, R. Abdi, D. Boumala, A. Belafrites, J.-E. Groetz

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 1040:167240

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9402516e663c4c4620576b5662e5c757
https://doi.org/10.1016/j.nima.2022.167240

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Adsorption Study of Main Gas Products from Water Radiolysis on 4A Zeolite by Numerical Simulations

Autor: Freddy Torrealba Anzola, M. Grivet, Joharimanitra Randrianandraina, Christophe Ramseyer, Didier Ducret, Bruno Cardey, J.-E. Groetz, Caroline Chambelland

Publikováno v: Fusion Science and Technology
Fusion Science and Technology, Taylor & Francis, 2021, 77 (1), pp.19-25. ⟨10.1080/15361055.2020.1842680⟩
Fusion Science and Technology, 2021, 77 (1), pp.19-25. ⟨10.1080/15361055.2020.1842680⟩

This work is motivated by the results obtained during a study on the tritiated water adsorbed in zeolite [L. Frances et al., J. Phys. Chem. C, 119, 28462 (2015)]. The decomposition of water by radiolysis leads to the production of dioxygen and dihydr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4ba9d63cb9391014645fceda24a9ca4
https://hal.archives-ouvertes.fr/hal-03474944

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Etched track profiles for relativistic 7 GeV silicon and 17.48 GeV Nickel ions in PADC detector: The case study of convex track walls

Autor: E.M. Awad, M. Abu-Shady, Michel Fromm, J.-E. Groetz

Publikováno v: Radiation Physics and Chemistry. 187:109566

650 μm thick PADC foils are exposed to 7 GeV Silicon and 17.48 GeV Nickel accelerated ions at particle fluence of about 1000 cm−2. The relativistic ions passed through the entire thickness of the PADC foils and created latent tracks that were etch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe2ee1d4302e9ae44c500e4d5ac69042
https://doi.org/10.1016/j.radphyschem.2021.109566

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Detector-electrode for alpha spectrometry in water sample, numerical and early feasibility investigation toward thermocompression bonding assembly process

Autor: N. Schmitt, B. Vuillemin, F. Bassignot, N. Saurel, J.-E. Groetz, S. Colas

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2020, 953, pp.163270. ⟨10.1016/j.nima.2019.163270⟩

International audience; This study focuses on the feasibility of a detector-electrode for direct alpha measurement in aqueous samples. Such a device could be made by adding a boron doped diamond electrode on top of a standard silicon detector, with b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba9835567a696df7e69f3c657f64fa08
https://hal.science/hal-03549016

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Evidence for a critical dose above which damage to carbonate ester bonds in PADC appear after gamma ray and ultra soft X-ray exposures

Autor: Tomoya Yamauchi, Nicolas Ludwig, Michel Fromm, Tamon Kusumoto, Yoshihide Honda, Sachiko Tojo, J.-E. Groetz, Hisaya Kurashige, Ryo Ogawara, Rémi Barillon, Satoshi Kodaira, Keiji Oda, Masato Kanasaki, Shogo Okada, Quentin Raffy, Kazuo Kobayashi

Publikováno v: Radiation Physics and Chemistry. 170:108628

It has been confirmed that the density of carbonate ester in poly(allyl diglycol carbonate) (PADC), which is a well-known polymeric nuclear track detector CR-39, begins decreasing above a critical dose of about 60 kGy during exposures to Co-60 gamma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37a3fc30e26286468052f50fb1bcb9c9
https://doi.org/10.1016/j.radphyschem.2019.108628

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Evaluation of radionuclide concentrations and external gamma radiation levels in phosphate ores and fertilizers commonly used in Algeria

Autor: A. Tedjani, J.-E. Groetz, Christophe Mavon, D. Boumala, A. Belafrites

Publikováno v: Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry, Springer Verlag, 2018, 317 (1), pp.501-510. ⟨10.1007/s10967-018-5871-8⟩

In this paper, radionuclide concentrations of 226Ra, 232Th and 40K contained in two phosphate ores and six granular fertilizer samples were determined using gamma-ray spectrometry. The mean activity concentrations of 226Ra, 232Th and 40K were found t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7675e70225479143e6989cc58e798ed9
https://hal.archives-ouvertes.fr/hal-01864747

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