"Физика и техника полупроводников"
Вышедшие номера
Spatial and hyperfine characteristics of SiV- and SiV0 color centers in diamond: DFT simulation
Белорусский республиканский фонд фундаментальных исследований (БРФФИ), Ф18МС-036
Белорусский республиканский фонд фундаментальных исследований (БРФФИ), Ф20МС-021
King Abdullah University of Science and Technology, KAUST baseline funding
Nizovtsev A.P. 1,2, Kilin S.Ya. 3, Pushkarchuk A.L. 4,5, Kuten S.A. 5, Poklonski N.A. 6, Michels D.7, Lyakhov D.7, Jelezko F.8
1B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus
2National Research Nuclear University "MEPhI", Moscow, Russia
3Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus
4Institute of Physical-Organic Chemistry, Nat. Acad. Sci. of Belarus, Minsk, Belarus
5Institute for Nuclear Problems, Belarusian State University, Minsk, Belarus
6Physics Department, Belarusian State University, Minsk, Belarus
7Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
8Institute for Quantum Optics, Ulm University, Ulm, Germany
Email: apnizovtsev@gmail.com, sergei_kilin@yahoo.com, alexp51@bk.ru, semen_kuten@list.ru, poklonski@bsu.by, dominik.michels@kaust.edu.sa, dmitry.lyakhov@kaust.edu.sa, fedor.jelezko@uni-ulm.de
Поступила в редакцию: 23 июня 2020 г.
Выставление онлайн: 11 сентября 2020 г.

One of the most promising platforms to implement quantum technologies are coupled electron-nuclear spins in diamond in which the electrons of paramagnetic color centers play a role of "fast" qubits, while nuclear spins of nearby 13C atoms can store quantum information for a very long time due to their exceptionally high isolation from the environment. Essential prerequisite for a high-fidelity spin manipulation in these systems with tailored control pulse sequences is a complete knowledge of hyperfine interactions. Development of this understanding for the negatively charged "silicon-vacancy" (SiV-) and neutral (SiV0) color center, is a primary goal of this article, where we are presenting shortly our recent results of computer simulation of spatial and hyperfine characteristics of these SiV centers in H-terminated cluster C128[SiV]H98 along with their comparison with available experimental data. Keywords: silicon-vacancy (SiV) color center, diamond, 13C nuclear spin, hyperfine interaction, density functional theory.

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