Zobrazeno 1 - 10
of 405
pro vyhledávání: '"Zvyagin, S A"'
Publikováno v:
Phys. Rev. B (2023)
Spin systems with honeycomb structures have recently attracted a great deal of attention in connection with the Kitaev quantum spin liquid state (QSL) predicted theoretically. One possible Kitaev QSL candidate is Na$_2$Co$_2$TeO$_6$ realizing a honey
Externí odkaz:
http://arxiv.org/abs/2312.04834
Autor:
Zvyagin, S. A., Ponomaryov, A. N., Wosnitza, J., Hirai, D., Hiroi, Z., Gen, M., Kohama, Y., Matsuo, A., Matsuda, Y. H., Kindo, K.
Publikováno v:
Nature Communications 13, 6310 (2022)
The observation of spinon excitations in the $S=\frac{1}{2}$ triangular antiferromagnet Ca$_3$ReO$_5$Cl$_2$ reveals a quasi-one-dimensional (1D) nature of magnetic correlations, in spite of the nominally 2D magnetic structure. This phenomenon is know
Externí odkaz:
http://arxiv.org/abs/2210.14864
Autor:
Bera, A. K., Yusuf, S. M., Saha, S. K., Kumar, M., Voneshen, D., Skourski, Y., Zvyagin, S. A.
Publikováno v:
Nature Communications 13, 6888 (2022)
Understanding exotic forms of magnetism in quantum spin systems is an emergent topic of modern condensed matter physics. Quantum dynamics can be described by particle-like carriers of information, known-as quasiparticles that appear from the collecti
Externí odkaz:
http://arxiv.org/abs/2210.11765
Autor:
Bhaskaran, L., Ponomaryov, A. N., Wosnitza, J., Khan, N., Tsirlin, A. A., Zhitomirsky, M. E., Zvyagin, S. A.
Publikováno v:
Phys. Rev. B 104, 184404 (2021)
We report on high-field electron spin resonance studies of two iridium hexahalide compounds, (NH$_4$)$_2$IrCl$_6$ and K$_2$IrCl$_6$. In the paramagnetic state, our measurements reveal isotropic $g$-factors $g = 1.79$(1) for the Ir$^{4+}$ ions, in agr
Externí odkaz:
http://arxiv.org/abs/2111.10884
Publikováno v:
Phys. Rev. B 103, 174406 (2021)
Low-energy magnon excitations in magnetoelectric LiFePO$_4$ have been investigated by high-frequency high-field electron spin resonance spectroscopy in magnetic fields up to B = 58 T and frequencies up to f = 745 GHz. For magnetic fields applied alon
Externí odkaz:
http://arxiv.org/abs/2104.13275
Autor:
Prokhnenko, O., Marmorini, G., Nikitin, S. E., Yamamoto, D., Gazizulina, A., Bartkowiak, M., Ponomaryov, A. N., Zvyagin, S. A., Nojiri, H., Díaz-Ortega, I. F., Anovitz, L. M., Kolesnikov, A. I., Podlesnyak, A.
Publikováno v:
Phys. Rev. B 103, 014427 (2021)
The high-field magnetic properties and magnetic order of the gem mineral green dioptase Cu$_6[$Si$_6$O$_{18}]\cdot 6$H$_2$O have been studied by means of single-crystal neutron diffraction in magnetic fields up to $21~$T and magnetization measurement
Externí odkaz:
http://arxiv.org/abs/2101.08555
Autor:
Ponomaryov, A. N., Zviagina, L., Wosnitza, J., Lampen-Kelley, P., Banerjee, A., Yan, J. -Q., Bridges, C. A., Mandrus, D. G., Nagler, S. E., Zvyagin, S. A.
Publikováno v:
Physical Review Letters 125, 037202 (2020)
We present comprehensive electron spin resonance (ESR) studies of in-plane oriented single crystals of $\alpha$-RuCl$_3$, a quasi-two-dimensional material with honeycomb structure, focusing on its high-field spin dynamics. The measurements were perfo
Externí odkaz:
http://arxiv.org/abs/2006.13538
Autor:
Opherden, D., Nizar, N., Richardson, K., Monroe, J. C., Turnbull, M. M., Polson, M., Vela, S., Blackmore, W. J. A., Goddard, P. A., Singleton, J., Choi, E. S., Xiao, F., Williams, R. C., Lancaster, T., Pratt, F. L., Blundell, S. J., Skourski, Y., Uhlarz, M., Ponomaryov, A. N., Zvyagin, S. A., Wosnitza, J., Baenitz, M., Heinmaa, I., Stern, R., Kühne, H., Landee, C. P.
Publikováno v:
Phys. Rev. B 102, 064431 (2020)
We report on a comprehensive characterization of the newly synthesized Cu$^{2+}$-based molecular magnet [Cu(pz)$_2$(2-HOpy)$_2$](PF$_6$)$_2$ (CuPOF), where pz = C$_4$H$_4$N$_2$ and 2-HOpy = C$_5$H$_4$NHO. From a comparison of theoretical modeling to
Externí odkaz:
http://arxiv.org/abs/2005.12058
Publikováno v:
Phys. Rev. Materials 4, 115403 (2020)
We report detailed magnetometry and high-frequency electron spin resonance (HF-ESR) measurements which allow detailed investigation on Li-Fe antisite disorder in single-crystalline LiFePO$_4$, i.e., exchange of Fe$^{2+}$- and Li$^+$-ions. The data im
Externí odkaz:
http://arxiv.org/abs/2004.07091
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.