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Unravelling the P[sub]3 centers origin in alkali phosphate glasses
Luigi Giacomazzi, Nikita S. Shcheblanov, Layla Martin-Samos, Matjaž Valant, Nadege Ollier, Nicolas Richard, 2021, published scientific conference contribution abstract

Keywords: EPR, DFT, NaPO3, LiPO3, alkali phosphate glasses, point defects
Published in RUNG: 29.09.2021; Views: 1725; Downloads: 7
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3.
Unravelling the P[sub]3 centers origin in alkali phosphate glasses
Luigi Giacomazzi, Nikita S. Shcheblanov, Layla Martin-Samos, Matjaž Valant, Nadege Ollier, Nicolas Richard, 2021, published scientific conference contribution abstract

Keywords: EPR, DFT, NaPO3, LiPO3, alkali phosphate glasses, point defects
Published in RUNG: 29.09.2021; Views: 1747; Downloads: 0
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Vers une connaissance microscopique de la structure de verres de phosphate P2O5
Nicolas Richard, Luigi Giacomazzi, Nikita S. Shcheblanov, Layla Martin-Samos, Nadege Ollier, 2020, popular article

Abstract: Les propriétés d’amplification de la lumière des ions terres rares permettent en les incluant comme dopants dans le cœur des fibres optiques d’obtenir des sources laser et des amplificateurs de lumière compacts. Pour réduire la tendance à l’agrégation des terres rares qui diminuent leurs propriétés amplificatrices, le phosphore est employé comme co-dopant dans ces fibres. Cet article montre comment les méthodes de simulation à l’échelle atomique peuvent aider a' l'optimisation de ce co-dopage en contribuant a' une meilleure comprehension de la structure des verres phosphates [1] et des défauts qui leur sont liés [2]. Au CEA-DAM, ces resultats serviront aussi dans le cadre d'etudes sur le developpement de fibres optiques pour des mesures de dosimetrie radiative.
Keywords: glasses, P2O5, point defects, ab-initio
Published in RUNG: 18.09.2020; Views: 2759; Downloads: 0
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6.
v-P[sub]2O[sub]5 "micro-clusters" in P-doped silica studied by a first principles Raman investigation
Luigi Giacomazzi, Layla Martin-Samos, Matjaž Valant, Nicolas Richard, 2019, published scientific conference contribution abstract

Keywords: r-POHC, silica, Raman, first-principles
Published in RUNG: 19.12.2019; Views: 3084; Downloads: 0
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Paramagnetic centers in amorphous GeO2
Luigi Giacomazzi, Layla Martin-Samos, Nicolas Richard, 2015, published scientific conference contribution abstract

Keywords: Ge-E' centers, first-principles, EPR, GeO2
Published in RUNG: 25.10.2018; Views: 3361; Downloads: 0
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10.
Radiation Effects on Optical Fibers and Fiber-Based Sensors
Sylvain Girard, A. Boukenter, Youcef Ouerdane, Nicolas Richard, Philippe Paillet, Layla Martin-Samos, Luigi Giacomazzi, Claude Marcandella, 2015, independent scientific component part or a chapter in a monograph

Keywords: Optical Fibers, radiation-induced point defects, dosimetry, ab-initio
Published in RUNG: 24.10.2018; Views: 3593; Downloads: 0
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