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[Fizinfo] Szemináriumok - Seminars: Anton Pershin

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  • From: Szeminárium koordinátor <sem-admin AT>
  • To: SZFI User <szfkiuser AT>,Fizinfo <fizinfo AT>
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  • Subject: [Fizinfo] Szemináriumok - Seminars: Anton Pershin
  • Date: Thu, 22 Jun 2023 06:00:01 +0200 (CEST)
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SZFI SeminarAnton PershinWigner RCP SZFIUnveiling the Intricate Relationship
between the Environment and the Properties of Defect Qubits and Organic
Emitters - Habilitációs előadásTuesday, 27 June 2023, 10:00, KFKI Campus,
Bldg. 1, 2nd floor, Conference RoomEnvironmental control provides a great
opportunity to tailor the properties of defect qubits and molecular emitters.
In this talk, my aim is to illustrate the importance of considering the
environment in which materials are embedded when designing functional devices
for quantum sensing and optoelectronics. Firstly, the impact of surface and
interfacial band bending on the coherence time of nitrogen-vacancy (NV)
centers in diamond will be discussed. It will be shown that modifying the
surface properties can alter the stability of the defect along with the
magnetic and electric noises inside the diamond. This allows for new
applications of the NV center in quantum sensing, such as operation at
ultra-low temperature [1], detection of diamagnetic electrolytes [2], and
sensing distant nuclear spins. Secondly, the effect of the environment on the
efficiency of organic light-emitting diodes will be emphasized [3]. Finally,
the focus will be on the molecules and defects where the standard density
functional theory calculations fail to accurately capture the excited state
properties [4]. Instead, an approach to calculate the excitation energies
with high-accuracy post-Hartree-Fock methods in these extended systems will
be presented.[1] Neethirajan et al. Nano Lett. 2023, 23, 7, 2563–2569[2]
Freire-Moschovitis et al. ACS Nano 2023, 17, 11, 10474–10485[3] Gillett et
al. Nature Materials, 2022, 21[4] Pershin et al. Nature Communications, 2019,
10 (1), 597 &nbsp;Minden érdeklődőt szívesen látunk! - Everyone is welcome to
attend.Attila Nagysem-admin AT

  • [Fizinfo] Szemináriumok - Seminars: Anton Pershin, Szeminárium koordinátor, 06/22/2023

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