Sviatoslav Kovalchuk

Freie Universität Berlin — Germany

Materials Science · Physical Sciences

9h-index350citations32works0.92yr avg
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Research Topics

2D Materials and Applications(15), Perovskite Materials and Applications(9), Diamond and Carbon-based Materials Research(9), Graphene research and applications(8), Quantum Dots Synthesis And Properties(4)

Publications32 total

Revealing hidden interlayer excitons in 2D bilayers via hybrid molecular gating
Nature Communications·2025· 2 citedOpen Access
Strain Control of Valley Polarization Dynamics in a 2D Semiconductor via Exciton Hybridization
Nano Letters·2025· 2 citedOpen Access
Tunable magnons in a dual-gated 2D antiferromagnet
2025· 1 citedOpen Access
Tunable magnons in a dual-gated 2D antiferromagnet
arXiv (Cornell University)·2025Open Access
Strain activation of localized states in WSe<sub>2</sub>
2D Materials·2025Open Access
Ultraviolet Cathodoluminescence of Ion-Induced Defects in Hexagonal Boron Nitride
Journal of Experimental and Theoretical Physics Letters·2025Open Access
Strain activation of localized states in WSe2
arXiv (Cornell University)·2024Open Access
Electron-Beam-Stimulated Formation of Luminescent Carbon Complexes in Hexagonal Boron Nitride
Crystallography Reports·2024· 2 cited
Erratum: Impact of dark excitons on Förster-type resonant energy transfer between dye molecules and atomically thin semiconductors [Phys. Rev. B <b>107</b>, 035304 (2023)]
Physical review. B./Physical review. B·2023Open Access
New interlayer excitons in 2D bilayers revealed under strong electric field
2023· 2 citedOpen Access
Electron Beam-Stimulated Luminescence of Helium Ion-Irradiated Hexagonal Boron Nitride
Bulletin of the Russian Academy of Sciences Physics·2023· 2 cited
Electron beam stimulated luminescence of helium ion irradiated hexagonal boron nitride
Известия Российской академии наук Серия физическая·2023Open Access
Evidence for Charging and Discharging of MoS<sub>2</sub> and WS<sub>2</sub> on Mica by Intercalating Molecularly Thin Liquid Layers
physica status solidi (a)·2023· 3 citedOpen Access
Impact of dark excitons on Förster-type resonant energy transfer between dye molecules and atomically thin semiconductors
Physical review. B./Physical review. B·2023· 20 citedOpen Access
Влияние комбинированного ионного и электронного облучения на полосу люминесценции 2 eV в гексагональном нитриде бора
Журнал технической физики·2023· 1 citedOpen Access
Strain control of hybridization between dark and localized excitons in a 2D semiconductor
Nature Communications·2022· 64 citedOpen Access
Generating intense electric fields in 2D materials by dual ionic gating
Nature Communications·2022· 71 citedOpen Access
Strain control of hybridization between dark and localized excitons in a 2D semiconductor
arXiv (Cornell University)·2022Open Access
Extrinsic Localized Excitons in Patterned 2D Semiconductors
Advanced Functional Materials·2022· 22 citedOpen Access
Non‐Uniform Strain Engineering of 2D Materials
Israel Journal of Chemistry·2022· 12 citedOpen Access
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Frequent Co-authors

Kirill I. Bolotin(31), Jan Kirchhof(12), Kyrylo Greben(10), Abhijeet M. Kumar(10), Denis Yagodkin(9), Kenji Watanabe(7), Sebastian Heeg(6), O. A. Gogina(6), Katja Höflich(5), Yu. V. Petrov(5), О. Ф. Вывенко(5), Takashi Taniguchi(5), Malte Selig(4), Pablo Hernández López(3), Florian Libisch(3), Victor Deinhart(3), Nele Stetzuhn(3), Nikolai Severin(3), Jürgen P. Rabe(3), Helmut Gröner(3)