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            "id": 71509,
            "title": "SPIN DEFECTS IN HEXAGONAL BORON NITRIDE FOR SENSING APPLICATIONS",
            "slug": "spin-defects-in-hexagonal-boron-nitride-for-sensin",
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            "lang": "en",
            "start_date": "2026-04-07",
            "end_date": "2026-04-07",
            "start_time": "14:00:00",
            "end_time": "15:00:00",
            "description": "<p>2D materials have emerged over the last decade as the new playground for quantum photonics<br>\r\ndevices. Among them, hexagonal boron nitride (hBN) is an interesting candidate, mainly because of its<br>\r\ncrystallographic compatibility with different 2D materials, but also because of its ability to harbour optically<br>\r\nactive defects that generate single photons. The negatively charged boron vacancy was the first intrinsic<br>\r\noptically addressable spin defect in hBN reported in 2020, allowing coherent control at room temperature.<br>\r\nAlthough other types of spin centres have been found in this material since then, this spin-1 colour centre<br>\r\nremains the only one with a clearly elucidated structure. Practical applications of hBN spin centres as<br>\r\nintrinsic magnetic field, temperature, pressure, etc. sensors in van der Waals heterostructures are hence<br>\r\nenvisioned. To further boost the quantum sensing applications of this spin defect in hBN, we are currently<br>\r\ninvestigating the dynamics of the intermediate state, also known as the metastable state, because it is likely<br>\r\nto trap electrons for a certain time, which affects the subsequent sensing protocol when the pulsed<br>\r\nmagnetic resonance experiment is designed.</p>",
            "image_description": "Prof. Vladimir Dyakonov",
            "creation_date": "2026-04-01T09:02:57",
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            "speaker": "<strong>Prof. Vladimir Dyakonov</strong> holds the Chair of Experimental Physics on the Faculty of Physics and Astronomy of Julius-Maximilian University of Würzburg, Germany since 2004. He studied physics at the University of Leningrad and received his diploma degree in 1986. Since 1990, he has been a visiting researcher at the universities of Bayreuth (Germany), Antwerp (Belgium) and Linz (Austria). He finished his habilitation in experimental physics at the University of Oldenburg (Germany) in 2001. In 2007-2009 he was the Vice-dean and in 2013-2015 the Dean of the Faculty of Physics and Astronomy at the University of Würzburg. Dyakonov’s main research interests are in the fields of semiconductor spectroscopy, thin-film organic and hybrid photovoltaics, organic light-emitting diodes and sensors. He published ca. 230 peer-reviewed scientific papers and has h-index of 84. ",
            "organizer": "<a href=\"https://people.epfl.ch/aleksandra.radenovic\">Prof. Aleksandra Radenovic</a>",
            "contact": "<a href=\"mailto:[email protected]\">Martine Truan</a> ",
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            "keywords": "hBn - quantum photonics - 2D materials",
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