activity
20112023
most citedIn-situ identification of various structural features of vanadyl porphyrins in crude oil by high-field (3.4 T) ENDOR spectroscopy combined with DFT calculations

46 citations · 74 across the 7 of their papers we have counts for

collaborators

7 papers

cond-mat.mtrl-sci2023

Exploring the Properties of the V_B^- Defect in hBN: Optical Spin Polarization, Rabi Oscillations, and Coherent Nuclei Modulation

Irina N. Gracheva, Margarita A. Sadovnikova, Fadis F. Murzakhanov +3

Optically active point defects in semiconductors have received great attention in the field of solid-state quantum technologies. Hexagonal boron nitride, with an ultra-wide band ga…

cond-mat.mtrl-sci2023★ 19 cited

Symmetry of the Hyperfine and Quadrupole Interactions of Boron Vacancies in a Hexagonal Boron Nitride

Irina N. Gracheva, Fadis F. Murzakhanov, Georgy V. Mamin +4

The concept of optically addressable spin states of deep level defects in wide band gap materials is successfully applied for the development of quantum technologies. Recently disc…

cond-mat.mtrl-sci2020★ 3 cited

Symmetry breaking in single crystal SrTiO plates: EPR manifestations

Bulat F. Gabbasov, Irina N. Gracheva, Alexander A. Rodionov +6

Electron paramagnetic resonance studies of the impurity Fe and Mn centers indicate that the symmetry of the crystal structure of millimeter-scale strontium titanate p…

physics.app-ph2019

Probing the surface of synthetic opals with the vanadyl-containing crude oil by using EPR and ENDOR techniques

Marat Gafurov, Andrey Galukhin, Yuri Osin +4

Porous silica materials offer wide range of possibilities for enhancement of the productivity of oil reservoirs. However the mechanism of adsorption of polar components of crude oi…

physics.chem-ph2017★ 1 cited

ENDOR study of nitrogen hyperfine and quadrupole tensors in vanadyl porphyrins of heavy crude oil

I. N. Gracheva, M. R. Gafurov, G. V Mamin +4

We report the observation of pulsed electron-nuclear double resonance (ENDOR) spectrum caused by interactions of the nitrogen nuclei 14N with the unpaired electron of the paramagne…

cond-mat.mtrl-sci2017★ 46 cited

In-situ identification of various structural features of vanadyl porphyrins in crude oil by high-field (3.4 T) ENDOR spectroscopy combined with DFT calculations

Timur Biktagirov, Marat Gafurov, Georgy Mamin +3

Structural characterization of metalloporphyrins in complex systems such as native hydrocarbons is in the focus of scientific and industrial interests since many years. We describe…