{"id":261,"date":"2024-05-16T10:43:20","date_gmt":"2024-05-16T08:43:20","guid":{"rendered":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/?page_id=261"},"modified":"2025-09-22T14:55:05","modified_gmt":"2025-09-22T12:55:05","slug":"young-researchers","status":"publish","type":"page","link":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/?page_id=261","title":{"rendered":"Young researchers"},"content":{"rendered":"\n
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Kellian Cottart<\/h2>\n\n\n\n

is a doctoral student at C2N in France under the supervision of Damien Querlioz. His first thesis project is centered around developing new Bayesian algorithms for Deep Learning to mitigate catastophic forgetting with hardware constraints, building on the idea of probabilistic binary metaplastic synapses. With PhD candidate Guillaume Bernard, they are working towards spintronic nanodevices that would integrate said algorithms. Prior to pursuing his PhD, he completed a Master’s Degree in Data Science at Ecole Polytechnique and an Engineer’s Degree in Data Architecture at Ecole Centrale d’Electronique.<\/p>\n<\/div><\/div>\n\n\n\n

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Karthik Charan
Raghunathan<\/h2>\n\n\n\n

is a PhD student at the Institute of Neuroinformatics (INI), University of Zurich and ETH Zurich, since November 2023. He holds a master\u2019s degree in Cognitive Neuroscience from the University of Groningen, which he earned in September 2023. He is interested in investigating the biological underpinnings of learning and memory with the goal of developing efficient bio-inspired continual learning algorithms for neuromorphic hardware. <\/p>\n<\/div><\/div>\n\n\n\n

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Akshay Bedhotiya<\/h2>\n\n\n\n

is a doctoral student at FZJ under the supervision of Emre Neftci . He holds  a Master\u2019s Degree in Physics at University of Bonn, Germany and a Bachelor of Technology degree in Engineering Physics at IIT Bombay,India.<\/p>\n\n\n\n

His work in this project involves developing the theory of metaplasticity in Binary Bayesian Networks and to use it to further improve existing algorithms of continual learning and their mapping  to nano devices. <\/p>\n<\/div><\/div>\n\n\n\n

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Alessandro Cataldo<\/h2>\n\n\n\n

holds a Bachelor’s (2021) and Master’s degree (2023) in Materials Engineering and Nanotechnology from Politecnico di Milano (Italy). His Bachelor thesis focused on the formulation of reduced graphene oxide-based inks for sensor applications. For his Master’s thesis, he focused on the synthesis of 2D ultra-thin MoS2 <\/sub>layers using two chemical vapour deposition (CVD) furnaces and their characterization mainly through Raman spectroscopy. This work, complemented with additional data collected after the thesis discussion, has been finalized in a paper published in February 2024 in international scientific journal. <\/p>\n\n\n\n

He is currently a PhD candidate in Materials Engineering at Politecnico di Milano, in collaboration with the Institute for Microelectronics and Microsystems of the Research National Council of Italy, in the framework of the EU-EIC-Pathfinder METASPIN project. In this context, he is carrying out experimental activities focused on the engineering and optimisation of the growth of HfO2<\/sub> thin films at temperatures < 200 \u00b0C via atomic layer deposition. Furthermore, he is conducting the characterization of the grown HfO2<\/sub> films with several techniques, to retrieve details on thickness, roughness, density, (spectroscopy ellipsometry, X-ray reflectivity) structure (X-ray diffraction), chemistry (X-ray photoelectron spectroscopy, time-of-flight secondary ion mass spectrometry). He is also involved in the definition of stacks and simple devices for HfO2<\/sub> electrical characterisation (C-V, I-V, breakdown). <\/p>\n<\/div><\/div>\n\n\n\n

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Dr. Yanis Sassi<\/h2>\n\n\n\n

has been an R&D spintronic engineer at Spin-Ion Technologies since 2023, where he develops advanced ion irradiation processes to enhance the performance of MRAM, magnetic sensors, and neuromorphic computing technologies.<\/p>\n\n\n\n

He earned a master’s degree in materials science from Universit\u00e9 Pierre et Marie Curie in 2019 and a Ph.D. in physics from the University of Paris Saclay in 2023. His doctoral research at the Laboratoire Albert Fert focused on spintronics, specifically the current-induced manipulation of skyrmions in magnetic multilayers. This work includes the growth of multilayers, the design of micrometer-sized devices, and their comprehensive characterization.<\/p>\n\n\n\n

As part of the Metaspin project, Yanis Sassi aims to boost magneto-ionics by ion irradiation in materials with perpendicular anisotropy, including magnetic tunnel junctions, for applications in MRAM and neuromorphic computing.<\/p>\n<\/div><\/div>\n\n\n\n

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Eleftherios Niapos<\/h2>\n\n\n\n

holds a Bachelor of Science in Physics and a Master of Science in Materials Engineering from the University of Ioannina. Before joining the Metaspin project, he was engaged in the BeMAGIC – Magnetoelectrics Beyond 2020 academic-industrial interdisciplinary training program as a doctoral student. He also accumulated three years of experience in research and development, focusing on UV lithography at TTS, s.r.o. Currently, he is pursuing his doctoral studies at CEITEC under the supervision of Dr. Vojt\u011bch Uhl\u00ed\u0159. <\/p>\n\n\n\n

In the Metaspin project, Eleftherios contributes by utilizing magneto-ionic gating to achieve control over magnetic domains in antiferromagnets and to manipulate the exchange bias effect.<\/p>\n<\/div><\/div>\n\n\n\n

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Oleksii Zadorozhnii<\/h2>\n\n\n\n

is a third year PhD student at CEITEC Nano and is knowledgable in interactions between ferromagnetic and antiferromagnetic materials as well as antiferormagnets in general. He also works with ferromagnetic-antiferromagnetic phase transition FeRh thin films. Oleksii has experience with PVD sample deposition techniques (thermal evaporation, magnetron sputtering, as well as chemical analysis techniques (EDX, XPS). He is also capable of preparing patterned samples using electron beam lithography technique. <\/p>\n<\/div><\/div>\n\n\n\n

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Diane Gou\u00e9r\u00e9<\/h2>\n\n\n\n

holds a Master’s degree from Universit\u00e9 Pierre et Marie Curie, specialized in materials science and nano-objects (2019); and a PhD from Universit\u00e9 Paris Saclay in condensed matter physics (2023). During her PhD thesis at the Albert Fert Laboratory in Saclay, Diane investigated ferrimagnetic materials for applications in spintronics and magnonics. She was particularly interested in ways of controlling magnetic anisotropy in ultrathin films and studying their properties.<\/p>\n\n\n\n

Currently part of Spin Ion Technologies as a spintronics R&D engineer, her role in Metaspin is to exploit magneto-ionics and irradiation together to tailor anisotropy in perpendicularly magnetized materials such as magnetic tunnel junctions. <\/p>\n<\/div><\/div>\n\n\n\n

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Ariana Mirshokraee<\/h2>\n\n\n\n

Ariana holds a bachelor’s degree in physics from the University of Tehran and a master’s degree in physics engineering from Politecnico di Milano. He has extensive experience in semiconductor science, photonics, and electrochemistry. He has also experienced in several characterization techniques (XRD, XPS, SEM, XRF, Raman), MOCVD growth of metal dichalcogenide nanowires, and industry-collaborative research bridging scientific advancements with applications. He has pursued a Ph.D. in Material Science and Nanotechnology at the University of Milano-Bicocca, focusing on electrochemistry and green energy technologies, particularly the development of electrocatalysts for hydrogen production. Research has been conducted on platinum-free electrocatalysts, integrating transition metals into nitrogen-doped carbon matrices to enhance efficiency. Waste-derived carbon materials have also been investigated to promote sustainability and align with circular economy principles. Additionally, techno-economic analyses of green hydrogen production have been performed, ensuring industrial feasibility. Contributions have been made to the advancement of cost-effective, high-performance materials for clean energy applications.
Ariana joined METASPIN project in March 2025 to contribute to the comprehension and understanding of the mechanisms at the basis of magnetoionics and its implementation and control in stacks and devices studied within the project. He will also contribute to the understanding of the effect of ion irradiation on the structure and chemistry of the layers, with emphasis on phenomena at the interface. Additionally, he contributes to the characterization of the electrical properties of the binary oxides developed during the project.<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Kellian Cottart is a doctoral student at C2N in France under the supervision of Damien Querlioz. His first thesis project is centered around developing new Bayesian algorithms for Deep Learning to mitigate catastophic forgetting with hardware constraints, building on the idea of probabilistic binary metaplastic synapses. With PhD candidate Guillaume Bernard, they are working towards… Continue reading “Young researchers”<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages\/261"}],"collection":[{"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=261"}],"version-history":[{"count":16,"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages\/261\/revisions"}],"predecessor-version":[{"id":336,"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages\/261\/revisions\/336"}],"wp:attachment":[{"href":"https:\/\/metaspin.c2n.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}