Výsledky vyhledávání - "Sergey V. Grigoriev"

Akademický článek

Mesostructure and Magnetic Properties of SiO2-Co Granular Film on Silicon Substrate

Autor: Natalia A. Grigoryeva, Victor Ukleev, Alexey A. Vorobiev, Alexander I. Stognij, Nikolay N. Novitskii, Leonid V. Lutsev, Sergey V. Grigoriev

Publikováno v: Magnetochemistry, Vol 8, Iss 12, p 167 (2022)

Granular films SiO2(Co) exhibit unusual magnetic and magnetotransport properties which are strongly dependent on the composition of the film and material of a substrate. For example, the injection magnetoresistance (IMR) coefficient reaches a giant (

Externí odkaz: https://doaj.org/article/67fff2f63936440693af41887225016c

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Target cooling options for DARIA compact neutron source

Autor: Anton R. Moroz, Nikita A. Kovalenko, Sergey V. Grigoriev

Publikováno v: Journal of Neutron Research. 24:299-304

The extensive heat release in the target is the primary limiting factor for a CANS neutron output. CANS DARIA has been chosen to operate using a 13 MeV proton beam providing up to 40 kW of power, which requires an effective target cooling solution. I

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::272472c19f80c36d906ad72794aaefd1
https://doi.org/10.3233/jnr-220025

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Results of testing a lenticular coating block support unit

Autor: Vladimir I. Palagushkin, Inna Ya. Petukhova, Dmitry O. Astrakhantcev, Sergey V. Grigoriev

Publikováno v: Journal «Izvestiya vuzov. Investitsiyi. Stroyitelstvo. Nedvizhimost». 10:398-405

The paper aims to study options for connecting belt elements from a profiled sheet, to develop a technology for manufacturing support units and to determine their load-bearing capacity by testing nodal elements with connecting sheets using electric r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3608eb52376206aaae94164ba9488f15
https://doi.org/10.21285/2227-2917-2020-3-398-405

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High-resolution SAXS setup with tuneable resolution in direct and reciprocal space

Autor: Irina Snigireva, Sergey V. Grigoriev, A. P. Chumakov, Andrei V. Petukhov, I. V. Roslyakov, Kirill S. Napolskii, Anatoly Snigirev

Publikováno v: Journal of Applied Crystallography, 52, 1095-1103. International Union of Crystallography
Journal of Applied Crystallography, 52(5), 1095. International Union of Crystallography

A novel compact small-angle X-ray scattering (SAXS) setup with tuneable resolution in both direct and reciprocal space has been designed and tested for the study of nanostructured materials with a hierarchical structure. The setup exploits a set of c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::109da166b0e92548071efc3817574f07
https://research.tue.nl/en/publications/6f9e1104-f848-4360-b53a-6b40809e6197

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Magnetic structure of the inverse opal-like structures: Small angle neutron diffraction and micromagnetic simulations

Autor: N. A. Grigoryeva, Andre Heinemann, I. S. Shishkin, A. A. Mistonov, G. A. Valkovskiy, Sergey V. Grigoriev, N. A. Sapoletova, I. S. Dubitskiy

Publikováno v: Journal of Magnetism and Magnetic Materials. 477:99-108

Geometrical frustration arised in spin ices leads to fascinating emergent physical properties. Nowadays there is a wide diversity of the artificial structures, mimicking spin ice at the nanoscale and demonstrating some new effects. Most of the nanosc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5d7880f4daf26de6ef270469a0d1dcb1
https://doi.org/10.1016/j.jmmm.2019.01.016

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Study of quasi-two- and three-dimensional ordered porous structures by means of small-angle X-ray scattering in the grazing incidence geometry

Autor: N. A. Grigoryeva, A. A. Mistonov, Sergey V. Grigoriev, I. S. Dubitskiy, G. A. Valkovskiy, N. A. Sapoletova

Publikováno v: Physics of the Solid State. 59:2464-2475

The structure of surface layers of thin metal inverse opals has been studied first by the grazing-incidence small-angle X-ray scattering technique. Contributions of the form factor and structure factor to the small-angle diffraction pattern have been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5070d17f6f0a520e4d95165bd69a4bb
https://doi.org/10.1134/s1063783417120137

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Spin-ice behavior of three-dimensional inverse opal-like magnetic structures: Micromagnetic simulations

Autor: Sergey V. Grigoriev, N. A. Grigoryeva, A. V. Syromyatnikov, N. A. Sapoletova, I. S. Dubitskiy, A. A. Mistonov

Publikováno v: Journal of Magnetism and Magnetic Materials. 441:609-619

We perform micromagnetic simulations of the magnetization distribution in inverse opal-like structures (IOLS) made from ferromagnetic materials (nickel and cobalt). It is shown that the unit cell of these complex structures, whose characteristic leng

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e958efbe00d2c4aa417530c634c569a
https://doi.org/10.1016/j.jmmm.2017.06.036

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Small-angle neutron scattering (SANS) and spin-echo SANS measurements reveal the logarithmic fractal structure of the large-scale chromatin organization in HeLa nuclei

Autor: Wim G. Bouwman, E. G. Iashina, Vitaliy Pipich, Elena Yu. Varfolomeeva, Dirk Honecker, Sergey V. Grigoriev, C. P. Duif, R. A. Pantina, Mikhail V. Filatov

Publikováno v: Journal of applied crystallography 52(4), 844-853 (2019). doi:10.1107/S160057671900921X
Journal of Applied Crystallography, 52(4)

This paper reports on the two-scale fractal structure of chromatin organization in the nucleus of the HeLa cell. Two neutron scattering methods, small-angle neutron scattering (SANS) and spin-echo SANS, are used to unambiguously identify the large-sc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4357c74554d4656859129bdafc1c578f
https://juser.fz-juelich.de/record/865919

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Effect of double nuclear scattering on nuclear-magnetic interference in experiment with small-angle diffraction of polarized neutrons

Autor: I. V. Roslyakov, Helmut Eckerlebe, Sergey V. Grigoriev, A. P. Chumakov, N. A. Grigoryeva, A. A. Eliseev, Kirill S. Napolskii

Publikováno v: Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 8:1010-1019

An experiment on small-angle polarized-neutron diffraction by a two-dimensional spatially ordered array of nickel nanowires embedded in a porous anodic alumina matrix is discussed. The contributions of nonmagnetic (nuclear) structures and nuclear mag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d05e137226b9ba715a9c4d1773ec633
https://doi.org/10.1134/s1027451014050280

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Crystal structure and thermal expansion of Mn1−xFexGe

Autor: L.N. Fomicheva, Vadim Dyadkin, Dmitry Chernyshov, Sergey V. Grigoriev, Elena Bykova, Leonid Dubrovinsky, Sergey V. Ovsyannikov, A. V. Tsvyashchenko

Publikováno v: Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 70:676-680

A series of temperature-dependent single-crystal and powder diffraction experiments has been carried out using synchrotron radiation in order to characterize the monogermanides of Mn, Fe and their solid solutions. The MnGe single crystal is found to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6094e053daca7b574d2dbf2987852b99
https://doi.org/10.1107/s2052520614006611

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