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Anisotropy of exchange interactions in honeycomb ladder compound ReCl5

Autor: Vorobyova, A. A., Boltalin, A. I., Tsymbarenko, D. M., Morozov, I. V., Vasilchikova, T. M., Gapontsev, V. V., Lyssenko, K. A., Demishev, S. V., Semeno, A. V., Streltsov, S. V., Volkova, O. S.

The Re5+(5d2) compounds possess large spin-orbital interaction which urges for large anisotropy, non-collinear structures and other phenomena. Here we present ReCl5 composed by separate Re2Cl10 units formed by edge-shared chlorine octahedra. It demon

Externí odkaz: http://arxiv.org/abs/2411.02965

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Spin state crossover in Co3BO5

Autor: Kazak, N. V., Platunov, M. S., Knyazev, Yu. V., Molokeev, M. S., Gorev, M. V., Ovchinnikov, S. G., Pchelkina, Z. V., Gapontsev, V. V., Streltsov, S. V., Bartolomé, J., Arauzo, A., Yumashev, V. V., Gavrilkin, S. Yu., Wilhelm, F., Rogalev, A.

Publikováno v: Phys. Rev. B 103, 094445 (2021)

The magnetic contribution of the Co3+ ions in Co3BO5 has been investigated using the Co (K-edge) XMCD, dc magnetic susceptibility, and heat capacity measurements. The crystal structure of Co3BO5 single crystal has been solved in detail at the T range

Externí odkaz: http://arxiv.org/abs/2009.05725

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Akademický článek

Distribution of the Composition across the Interface in Binary Alloys.

Autor: Gapontsev, V. L., Gapontsev, A. V., Gapontsev, V. V.

Publikováno v: Physics of Metals & Metallography; Sep2024, Vol. 125 Issue 9, p1026-1034, 9p

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Magnetism and charge ordering in high- and low-temperature phases of Nb2O2F3

Autor: Gapontsev, V. V., Khomskii, D. I., Streltsov, S. V.

Publikováno v: JMMM 420, 28 (2016)

To sum up, we show in the present paper that magnetic response in Nb$_2$O$_2$F$_3$ at the high-temperatures ($T>$90 K) is related to the orbital selective regime, when part of the electrons form molecular orbitals while other electrons have local mag

Externí odkaz: http://arxiv.org/abs/1705.08089

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Doping induced spin state transition in Li$_x$CoO$_2$ as studied by the GGA+DMFT calculations

Autor: Shorikov, A. O., Gapontsev, V. V., Streltsov, S. V., Anisimov, V. I.

Publikováno v: JETP Letters 104, 398 (2016)

Magnetic properties of Li$_x$CoO$_2$ for $x = 0.94, 0.75, 0.66$ and $0.51$ were investigated in frames of method combining Generalized Gradient Approximation with Dynamical Mean--Field Theory (GGA+DMFT). We found that a delicate interplay between Hun

Externí odkaz: http://arxiv.org/abs/1608.01475

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Akademický článek

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A look at the global educational crisis through the lens of experience of the history of science. Part II. The structure of general education content

Autor: Gapontsev, V. L., Fedorov, V. A., Dorozhkin, Ye. M.

Publikováno v: Образование и наука

Introduction. The first part of this work is devoted to the examination of the scientific knowledge structure as a three-level scheme of its division (the field of phenomena of nature, laws of nature and the field of symmetry principles), wherein eac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3377::ef57c8d1a44c334455b153999f4b16a5
https://elar.rsvpu.ru/handle/123456789/36182

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Analysis of the Structure of Scientific Knowledge From Synergies

Autor: Fedorov, V. A., Gapontsev, V. L.

Представлены результаты анализа структуры научного знания (детерминанта содержания общего образования) с позиций представлений синер�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3377::762882929752a666264e01b15f8ae0c2
https://elar.rsvpu.ru/handle/123456789/38454

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Quasi‑1D XY antiferromagnet Sr2Ni(SeO3)2Cl2 at Sakai‑Takahashi phase diagram

Autor: Kozlyakova, E. S., Moskin, A. V., Berdonosov, P. S., Gapontsev, V. V., Streltsov, S. V., Uhlarz, M., Spachmann, S., Elghandour, A., Klingeler, R., Vasiliev, A. N.

Publikováno v: Scientific Reports 11(2021), 15002

Uniform quasi-one-dimensional integer spin compounds are of interest as a potential realization of the Haldane conjecture of a gapped spin liquid. This phase, however, has to compete with magnetic anisotropy and long-range ordered phases, the impleme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4577::8644c705bec97a0893cdb4cc0b70c5d4
https://www.hzdr.de/publications/Publ-33164-1

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Взгляд на проблему общего кризиса образования через призму опыта истории науки. Часть I. Структура научного знания

Autor: Gapontsev, V. L., Fedorov, V. A., Dorozhkin, Ye. M.

Publikováno v: Obraz. Nauka
Obrazovanie i Nauka

Introduction. The issue of the global educational crisis was outlined by Ch. P. Snow and denoted by Ph. H. Coombs more than sixty years ago. The viewpoints on this problem outspoken ever since are diversified, but it did not lead to blunting of acute

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______917::c326c19c56af71d5afc49f6f6ae09027
https://www.edscience.ru/jour/article/download/1895/958

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