Výsledky vyhledávání - "Y. A. Onykiienko"

Akademický článek

Magnon spectrum of the helimagnetic insulator Cu2OSeO3

Autor: P. Y. Portnichenko, J. Romhányi, Y. A. Onykiienko, A. Henschel, M. Schmidt, A. S. Cameron, M. A. Surmach, J. A. Lim, J. T. Park, A. Schneidewind, D. L. Abernathy, H. Rosner, Jeroen van den Brink, D. S. Inosov

Publikováno v: Nature Communications, Vol 7, Iss 1, Pp 1-8 (2016)

Cu2OSeO3 possesses a helical spin structure which supports a rich phase diagram of magnetic states, including a lattice of particle-like skyrmions. Here, the authors use inelastic neutron scattering to elucidate the three-dimensional magnon spectrum

Externí odkaz: https://doaj.org/article/646954fe79204b35802383a0baf0188f

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Akademický článek

Magnonic Weyl states in Cu_{2}OSeO_{3}

Autor: L.-C. Zhang, Y. A. Onykiienko, P. M. Buhl, Y. V. Tymoshenko, P. Čermák, A. Schneidewind, J. R. Stewart, A. Henschel, M. Schmidt, S. Blügel, D. S. Inosov, Y. Mokrousov

Publikováno v: Physical Review Research, Vol 2, Iss 1, p 013063 (2020)

The multiferroic ferrimagnet Cu_{2}OSeO_{3} with a chiral crystal structure has attracted a lot of recent attention due to the emergence of a magnetic skyrmion order in this material. Here, the topological properties of its magnon excitations are sys

Externí odkaz: https://doaj.org/article/475b29c3ec944d9798e09625afdcfda0

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Akademický článek

Pseudo-Goldstone Magnons in the Frustrated S=3/2 Heisenberg Helimagnet ZnCr_{2}Se_{4} with a Pyrochlore Magnetic Sublattice

Autor: Y. V. Tymoshenko, Y. A. Onykiienko, T. Müller, R. Thomale, S. Rachel, A. S. Cameron, P. Y. Portnichenko, D. V. Efremov, V. Tsurkan, D. L. Abernathy, J. Ollivier, A. Schneidewind, A. Piovano, V. Felea, A. Loidl, D. S. Inosov

Publikováno v: Physical Review X, Vol 7, Iss 4, p 041049 (2017)

Low-energy spin excitations in any long-range ordered magnetic system in the absence of magnetocrystalline anisotropy are gapless Goldstone modes emanating from the ordering wave vectors. In helimagnets, these modes hybridize into the so-called helim

Externí odkaz: https://doaj.org/article/a545641831dd4f59be2539bb13b54d22

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Magnetic field dependence of low-energy magnons, anisotropic heat conduction, and spontaneous relaxation of magnetic domains in the cubic helimagnet ZnCr2Se4

Autor: Dmytro S. Inosov, Sergei Zherlitsyn, Dharmendra Shukla, D. J. Voneshen, Y. O. Onykiienko, Martin Boehm, Vladimir Tsurkan, Narayan Prasai, Alois Loidl, A. Akopyan, Mathias Doerr, Y. V. Tymoshenko, Joshua L. Cohn, Denis Gorbunov, V. Felea

Publikováno v: Physical Review B. 102

Anisotropic low-temperature properties of the cubic spinel helimagnet $\mathrm{Zn}{\mathrm{Cr}}_{2}{\mathrm{Se}}_{4}$ in the single-domain spin-spiral state are investigated by a combination of neutron scattering, thermal conductivity, ultrasound vel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::829fc0021ed1a145299510a45299d410
https://doi.org/10.1103/physrevb.102.184431

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Long-range magnetic order in the ${\tilde S}=1/2$ triangular lattice antiferromagnet KCeS$_2$

Publikováno v: SciPost Physics, Vol 9, Iss 3, p 041 (2020)
SciPost Physics

Recently, several putative quantum spin liquid (QSL) states were discovered in ${\tilde S} = 1/2$ rare-earth based triangular-lattice antiferromagnets (TLAF) with the delafossite structure. A way to clarify the origin of the QSL state in these system

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a557900fced5442535f3b69f7fdf1be9
https://scipost.org/SciPostPhys.9.3.041

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Magnonic Weyl states in Cu2OSeO3

Autor: Stefan Blügel, Dmytro S. Inosov, Y. V. Tymoshenko, P. M. Buhl, A. Henschel, Astrid Schneidewind, Y. A. Onykiienko, J. R. Stewart, L.-C. Zhang, Petr Čermák, Yuriy Mokrousov, Michael W. I. Schmidt

Publikováno v: Physical review research 2(1), 013063 (2020). doi:10.1103/PhysRevResearch.2.013063

Physical review research 2(1), 013063 (2020). doi:10.1103/PhysRevResearch.2.013063
Published by APS, College Park, MD

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::456b6fe0532a9e24199a236614b3de34
https://publications.rwth-aachen.de/record/811605

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Incommensurate magnet iron monophosphide FeP: Crystal growth and characterization

Autor: Bernd Büchner, S. E. Nikitin, Anja U. B. Wolter, Dmitry V. Efremov, Daniel Wolf, Axel Lubk, Dmytro S. Inosov, I. O. Chernyavskii, Quirin Stahl, Y. A. Onykiienko, Saicharan Aswartham, Fabiano Yokaichiya, Igor Morozov, Xiaochen Hong, S. Gass, J. Geck, Christian Hess

Publikováno v: Physical Review Materials

We report an optimized chemical vapor transport method that enables the growth of FeP single crystals up to 500 mg in mass and $80\phantom{\rule{0.16em}{0ex}}{\mathrm{mm}}^{3}$ in volume. The high quality of the crystals obtained by this method was c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::755b40b959ef8961e67fb8bf926443eb

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Magnon spectrum of the Weyl semimetal half-Heusler compound GdPtBi

Autor: Y. A. Onykiienko, A. S. Sukhanov, Dmytro S. Inosov, Chandra Shekhar, Claudia Felser, R. I. Bewley

The compound GdPtBi is known as a material where the non-trivial topology of electronic bands interplays with an antiferromagnetic order, which leads to the emergence of many interesting magnetotransport phenomena. Although the magnetic structure of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67c9c0ab757f60468ad0b4ac3bcfbefd

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