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3 results on '"O.R. Rubinas"'

1. Measurement of the longitudinal relaxation time for the nitrogen nuclear spin in a nitrogen-vacancy colour centre of diamond

Author

V.V. Soshenko, I.S. Cojocaru, S.V. Bolshedvorskii, O.R. Rubinas, A.N. Smolyaninov, V.V. Vorobyov, V.N. Sorokin, and A.V. Akimov

Subjects
Statistical and Nonlinear Physics, Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Abstract

A longitudinal relaxation time of a nitrogen-14 atom nuclear spin for a nitrogen-vacancy (NV) colour centre in diamond is measured by the modified double optical resonance method. The diamond sample was grown by the method of high temperature and pressure and comprised 1 ppm of NVcentres. The longitudinal relaxation time was 43(6) s, which was compared to the time calculated in the model of relaxation due to the electron spin of colour centre interaction with phonons and spin reservoir. The time measured well agrees with predictions of the model.

Published
2021
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2. Optical detection of an ensemble of C centres in diamond and their coherent control by an ensemble of NV centres

Author

S. V. Bolshedvorskii, Vadim V. Vorobyov, V. N. Sorokin, Andrey N. Smolyaninov, Anton I. Zeleneev, O.R. Rubinas, Alexey V. Akimov, Ivan Cojocaru, Vladimir V. Soshenko, and V.G. Vins

Subjects
Materials science, Coherent control, engineering, Diamond, Statistical and Nonlinear Physics, Electrical and Electronic Engineering, engineering.material, Atomic physics, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2021
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3. Nanodiamonds with SiV colour centres for quantum technologies

Author

V. A. Davydov, S. G. Lyapin, Anastasiia S Garanina, Anton I. Zeleneev, V. N. Sorokin, Vladimir V. Soshenko, V. N. Agafonov, Andrey N. Smolyaninov, Alexey V. Akimov, Rustem Uzbekov, O.R. Rubinas, S. V. Bolshedvorskii, O. S. Kudryavtsev, GREMAN (matériaux, microélectronique, acoustique et nanotechnologies) (GREMAN - UMR 7347), Université de Tours-Institut National des Sciences Appliquées - Centre Val de Loire (INSA CVL), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Centre National de la Recherche Scientifique (CNRS), Institut National des Sciences Appliquées - Centre Val de Loire (INSA CVL), and Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université de Tours (UT)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Thesaurus (information retrieval), Information retrieval, Materials science, Statistical and Nonlinear Physics, 02 engineering and technology, 021001 nanoscience & nanotechnology, 01 natural sciences, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, [PHYS.MECA.ACOU]Physics [physics]/Mechanics [physics]/Acoustics [physics.class-ph], Quantum technology, 0103 physical sciences, Electrical and Electronic Engineering, 010306 general physics, 0210 nano-technology, ComputingMilieux_MISCELLANEOUS
Abstract

Properties of silicon-vacancy (SiV) colour centres in ultra-nanosize diamonds are studied. Nanodiamonds are obtained at a high temperature and pressure, which induced transformations in mixtures of organic and hetero-organic compounds without metal-catalysts. The size distribution of grown nanodiamonds is determined by the methods of transmission electron microscopy and atomic-force microscopy, as well as by using the model of phonon spatial localisation. In addition, Raman spectra of various nanodiamonds and luminescence properties of SiV-centres are investigated.

Published
2020
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