Gergő Thiering

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Personal Information

Work Experience

Senior Research fellow 2025 – present

  • Wigner Research Centre for Physics part of the Hungarian Academy of Sciences
  • Ab initio characterization of point defects in semiconductors and 2D materials
  • Administration of HPC computer clusters
  • Education and Training
  • Supervising two PhD students, BSc, MSc students, hungarian TDK work also available
  • Open PhD, postdoc, positions in the following topic:

Theoretical description of phonon induced processes acting on defect qubits embedded in diamond and other semiconductors from first principles

Doctoral School of Physics 2013–2018

  • Faculty of Faculty of Natural Sciences, final defense: 2018/12/14
  • University of Technology and Economics, Budapest
  • Study and teaching
  • Topic about point defects (Si, O, Ge, Ni) in semiconductors (especially in diamond), theoretical computer assisted ab initio calculations with density functional theory.

MSc. in Physics 2011–2013

  • Faculty of Faculty of Natural Sciences
  • University of Technology and Economics, Budapest
  • Master thesis topic about modeling of nickel point defects in nanodiamonds with ab initio methods based on density functional theory.

BSc. in Physics 2008–2011

  • Faculty of Faculty of Natural Sciences
  • University of Technology and Economics, Budapest
  • Thesis about electron magnetic resonance experiments on layered organic molecule-crystals

Invited Contributions

  • Defects in Semiconductors (Gordon Research Conference, Newry, Maine, United States) Discussion Leader of „Modeling Correlated Electron Systems” section (2024. Aug 4-9. - 20 minute review about the topic of the session)
  • Defects in Semiconductors (Gordon Research Conference, New London, NH, United States) „Spin-orbit and Jahn-Teller effect in split-vacancy impurity defects of diamond” (2022. Aug 14-19. - 35 minute invited „session” presentation)
  • Defects in solids for quantum technologies (cecam Flagship Workshop, Stockholm, Sweden) „Spin-orbit and Jahn-Teller effect in split-vacancy impurity defects of diamond” (2022. June 15. - 30 minute invited talk)
  • Hasselt diamond workshop (SBDD XXVI, 2022, Hasselt, Belgium) „Ab-initio study of nickel defects in diamond acting as qubits” (2022. March 10. - 30 minute invited talk)

„Closing the spin polarization loop of NV(-)” (2018. June 28. - 27 minute presentation)


Other important Presentations

  • Contributed Talk, Qtech 2025 (Budapest, Hungary, 2025. September 22-25.
  • Contributed Talk, The 33rd International Conference on Defects in Semiconductors (Fudan Campus, Sanghai, China, 2025. September 14-19.
  • Contributed Talk, „75th 2025 UK diamond research conference” (Coventry, University of Warwick, UK, 2025 july 7-10)
  • Contributed Talk, APS Global Physics Summit (Anaheim, United States, 2025. March 16-21.
  • Contributed Talk, „74th 2025 UK diamond research conference” (Coventry, University of Warwick, UK, 2024 july)
  • Contributed Talk, ReAQCT 2024 Conference (Budapest, Bosch Innovation Campus, 2024. June 10-14.
  • Contributed Talk, Defects in solids for quantum technologies (Budapest, 2024. June 10-14.
  • Contributed Talk, APS march meeting (Minneapolis, United States, 2024. March 4-8.
  • Contributed Talk, The 32rd International Conference on Defects in Semiconductors (Rehoboth Beach, Delaware, United States, 2023. September 10-15.
  • Contributed Talk, „73th 2025 UK diamond research conference” (Coventry, University of Warwick, UK, 2023 july)
  • Virtual Presentation, 25th International Conference on the Jahn-Teller Effect 2023 May 14-18 (virtual)
  • Contributed Talk, APS march meeting (Las Vegas, United States, 2023. March 5-10.
  • Contributed Talk, at APS march meeting (Chicago, United States, 2022 March. 14-18)
  • Contributed Talk, at Psi-k 2022 Conference (Lausanne, Switzerland, August 22-25)
  • 4 canceled conferences with oral contribution on 2020: Stockholm, Hasselt, Warwick, Barcelona
  • “SZFI” Publication award (1. rank) of Wigner Research Centre (2018, 2020)
  • “Ferenczi György Emlékdíj” award (2018)
  • Contributed Talk, and poster at „2018 and 2019, 2022 UK diamond research conferences” (Coventry, University of Warwick, UK, 2018 july. 9-12. 2019 july. 8-1., 2022 july 4-7)
  • Contributed Talk, and poster at „XXIIIth. and XXIVth. Hasselt Diamond Workshops” (Hasselt, Belgium, 2018 march. 7-9. and 2019 march. 13-15 )
  • Contributed Talk, and poster at „2018 E-MRS Conference” (Warsaw University of Technology, Poland, 2018 sept. 17-19.)
  • Poster at Hungarian Physics “Vándorgyűlés” (2016 aug. 24-27. Szeged)
  • Poster at „2016, 2017 De Beers Diamond Conferences” (Coventry, University of Warwick, UK, july.)
  • Poster at „ETSF Young Researchers Meeting” conference (2013)
  • Poster at „Wigner 111” conference (Bp. Colourful & Deep) (2013)
  • Appearance in Hungarian national scientific student conference (OTDK), (2013)

Scientific Awards

Scientific Metrics updated on 2022/10/01

Competences

Theoretical characterization of point defects in semiconductors (diamond) with VASP ab-initio code:

  • Characterization of electronic structure by means of density functional theory
  • Physics of complex Jahn-Teller point defects: (Pseudo-, Product-, Dynamic-)
  • Modeling of Spin-orbit effect, zero field splitting, non-radiative transitions and relaxation
  • Characterization of Optical excitation energy, vibronic sideband from ab initio, polarization
  • Characterization of highly correlated systems. (dynamic and static electronic correlation)

Knowledge of:

  • Numerical calculations with Matlab, Python, GNU Octave
  • HPC (high-performance computing) cluster management, Linux/UNIX administration
  • Highly parallel coding with Fortran, MPI (Message Passing Interface) standard

Selected three most important publications

  • Thiering G , Gali A - Ab Initio Magneto-Optical Spectrum of Group-IV Vacancy Color Centers in Diamond Ab INITIO MAGNETO-OPTICAL SPECTRUM

PHYSICAL REVIEW X 8:(2) Paper 021063. 17 p. (2018) Independent citations: 89

  • Thiering G , Gali A - The (eg ⊗ eu) ⊗ Eg product Jahn–Teller effect in the neutral group-IV vacancy quantum bits in diamond

npj Computational Materials volume 5, Article number: 18 (2019) Independent citations: 19

  • Thiering G , Gali A - Theory of the optical spin-polarization loop of the nitrogen-vacancy center in diamond

PHYSICAL REVIEW B 98:(8) Paper 085207. 12 p. (2018) Independent citations: 23

January 13, 2025

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