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DTSTART;TZID=Europe/Paris:20260609T140000
DTEND;TZID=Europe/Paris:20260609T150000
DTSTAMP:20260529T080157Z
CREATED:20260529T080157Z
LAST-MODIFIED:20260529T080157Z
UID:10000165-1781013600-1781017200@sfp-alpes.fr
SUMMARY:Soline BEITONE (PhD Student - LMGP)
DESCRIPTION:Development and evaluation of a photocatalytic system to reduce and valorize CO2\nRésumé : \nThis work focuses on the development of a photocatalytic system for CO₂ reduction and valorization\, contributing to sustainable carbon conversion strategies. The study investigates Cu₂O nanowire (NW)-based photocatalyst\, selected for their visible-light activity\, abundance\, and low toxicity. \nA simple\, scalable\, and cost-effective fabrication strategy was developed to produce such photocatalyst. To enhance performance and stability\, the materials were further engineered through TiO₂ nanoparticle modification\, enabling the formation of p–n heterojunctions that improve charge separation\, stability and light utilization. \nThe resulting photocatalysts were evaluated for CO₂ conversion into value-added products and water depollution through dye degradation. \nFinally\, a life cycle perspective was incorporated to assess environmental impacts\, sustainability benefits\, and the scalability potential of these photocatalytic systems. \nShort Bio/CV \nI am a third-year PhD student with a background in materials science and chemistry. My research focuses on photocatalysis and materials development\, with an emphasis on green and sustainable approaches. \nI am part of the NABIOS team\, and my PhD project is integrated into DéfiCO₂\, a multidisciplinary initiative aimed at developing and evaluating technological solutions for carbon capture and utilization (CCU). \n_ \nContact : deborah.verger@grenoble-inp.fr
URL:https://sfp-alpes.fr/event/soline-beitone-phd-student-lmgp/
LOCATION:LMGP – salle des séminaires\, Grenoble INP -Phelma 3 parvis Louis Néel\, Grenoble\, 38054\, France
CATEGORIES:Séminaire
ORGANIZER;CN="LMGP":MAILTO:deborah.verger@grenoble-inp.fr
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DTSTART;TZID=Europe/Paris:20260609T140000
DTEND;TZID=Europe/Paris:20260609T150000
DTSTAMP:20260529T145613Z
CREATED:20260529T143536Z
LAST-MODIFIED:20260529T145613Z
UID:10000173-1781013600-1781017200@sfp-alpes.fr
SUMMARY:Soutenance HDR de Tristan WAGNER (IRIG / IBS)
DESCRIPTION:Characterization of native enzymes to understand how anaerobic microbes impact biogeochemical cycles\nRésumé : \nMicrobes are actors of the biogeochemical cycles\, transforming gases\, minerals\, and biological matter through enzymatic reaction chains. Among them\, anaerobic archaea\, namely methanogens and methanotrophs\, play a key role in converting planetary carbon\, nitrogen\, and sulfur\, impacting the biosphere and providing green sustainable solutions for our modern society. The last fourteen years of my career were devoted to understanding the molecular basis of these microbial transformations\, such as methane production or degradation\, CO2 and carbon monoxide conversion to biofuels\, N2 fixation\, and sulfur cycling. Since these enzymes harbor O2-sensitive complicated metallocofactors\, most of my work relies on native protein purification from the microbes themselves under strict O2 exclusion. After a brief presentation of my career and PhD project\, the presented work summarizes my most renowned breakthrough regarding the elucidation of molecular tricks in carbon\, nitrogen\, and sulfur metabolisms in methane-generating microbes\, including their regulatory networks. Then\, the latest research led by my group is introduced with : (i) how methanogens munch on methylated substrates such as methanol and lignin-degradation products\, (ii) how an industrial bacterium turns waste gases into biofuels\, (iii) the study of a microbial consortia “that burn” methane and ethane without oxygen via a native approach. Finally\, I will present the features of my past group and my future laboratory. ​​ \nL’accès au campus EPN nécessite un avis de rendez-vous. Merci d’adresser votre demande à ibs.seminaires@ibs.fr au moins 48h à l’avance. \nN’oubliez pas de vous munir d’une pièce d’identité.​
URL:https://sfp-alpes.fr/event/tristan-wagner-irig-ibs/
LOCATION:IBS – Salle des séminaires\, IBS 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Soutenance,Soutenance HDR
ORGANIZER;CN="IRIG - CEA":MAILTO:odile.rossignol@cea.fr
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260609T140000
DTEND;TZID=Europe/Paris:20260609T150000
DTSTAMP:20260605T084741Z
CREATED:20260604T105036Z
LAST-MODIFIED:20260605T084741Z
UID:10000181-1781013600-1781017200@sfp-alpes.fr
SUMMARY:Jean-Claude BESSE (Department of Physics\, ETH Zurich\, CH-8093 Zurich\, Switzerland)
DESCRIPTION:Execution of Blind Quantum Computing Primitives on a Modular Superconducting Processor\nRésumé : \nAs a route towards a cluster of interconnected processors in a quantum network\, the Quantum Device Lab’s approach to short-range modularity uses small modules with high fabrication yield flip-chip bonded to a common carrier chip. In the first part of this talk\, we focus on the hardware realization of this 3D-integrated architecture with indium bump bonds\, inter-chip spacing control\, and parameter targeting enabling high-fidelity operations 1\,2. We then leverage this technology in a two-module processor\, with three qubits per node 3. The first module acts as a server generating cluster states as entangled quantum resource. The second module acts as a client\, consuming the resource through real-time adaptive measurement basis choice. We demonstrate that the client can implement universal single- and two-qubit gates with local measurements and rotations only. As an example of blind quantum computation\, we show results of a measurement-based Deutsch-Jozsa algorithm. We verify that the computation remains private\, that is\, the server’s state doesn’t reveal the client’s algorithm nor its result. This demonstrates that cloud quantum providers can be set up in a way that they respect the data privacy of their clients 4. \n1 Norris et al.\, EPJ Quant. Tech. 11\, 5 (2024) 2 Norris et al.\, EPJ Quant. Tech. 13\, 29 (2026) 3 Dalton et al.\, PRX Quantum 6\, 040365 (2025) 4 Song et al.\, arXiv:2605.14656 (2026) \n_ \nContact : sem_nano_elec_quantique@listes.grenoble.cnrs.fr
URL:https://sfp-alpes.fr/event/jean-claude-besse-department-of-physics-eth-zurich-ch-8093-zurich-switzerland/
LOCATION:CNRS – Salle Rémy Lemaire (K223)\, CNRS - Institut Néel 25 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
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