Zobrazeno 1 - 10
of 255
pro vyhledávání: '"Zvezdin, K. A."'
Autor:
Blank, T. G. H., Grishunin, K. A., Zvezdin, K. A., Hai, N. T., Wu, J. C., Su, S. -H., Huang, J. -C. A., Zvezdin, A. K., Kimel, A. V.
Publikováno v:
Phys. Rev. Lett. 131, 026902 (2023)
The interaction of a single-cycle THz electric field with the topological insulator $\mathrm{MnBi}_2\mathrm{Te}_4$ triggers strongly anharmonic lattice dynamics, promoting fully coherent energy transfer between the otherwise non-interacting Raman-act
Externí odkaz:
http://arxiv.org/abs/2212.07532
Autor:
Dolgikh, I. A., Blank, T. G. H., Buzdakov, A. G., Li, G., Prabhakara, K. H., Patel, S. K. K., Medapalli, R., Fullerton, E. E., Koplak, O. V., Mentink, J. H., Zvezdin, K. A., Zvezdin, A. K., Christianen, P. C. M., Kimel, A. V.
Ultrafast heating of FeRh by a femtosecond laser pulse launches a magneto-structural phase transition from an antiferromagnetic to a ferromagnetic state. Aiming to reveal the ultrafast kinetics of this transition, we studied magnetization dynamics wi
Externí odkaz:
http://arxiv.org/abs/2202.03931
We report of a theoretical model for calculating the H-T phase diagrams of a rare-earth ferrimagnet, taking into account anisotropies originated by both magnetization sublattices' and by the surface. The possibility of an exchange spring formation du
Externí odkaz:
http://arxiv.org/abs/2109.12377
Autor:
Shikin, A. M., Estyunin, D. A., Zaitsev, N. L., Glazkova, D., Klimovskikh, I. I., Filnov, S., Rybkin, A. G., Schwier, E. F., Kumar, S., Kimura, A., Mamedov, N., Aliev, Z., Babanly, M. B., Kokh, K., Tereshchenko, O. E., Otrokov, M. M., Chulkov, E. V., Zvezdin, K. A., Zvezdin, A. K.
Publikováno v:
Phys. Rev. B 104, 115168 (2021)
Recently discovered intrinsic antiferromagnetic topological insulator MnBi$_2$Te$_4$ presents an exciting platform for realization of the quantum anomalous Hall effect and a number of related phenomena at elevated temperatures. An important character
Externí odkaz:
http://arxiv.org/abs/2107.04428
We report on a theoretical study of the spin-current excited dynamics of domain walls (DWs) in ferrimagnets in the vicinity of the angular momentum compensation point. Effective Lagrangian and nonlinear dynamic equations are derived for a two-sublatt
Externí odkaz:
http://arxiv.org/abs/2103.10711
Publikováno v:
JMMM 509 (2020) 166876
In this paper, we elaborate analytical theory of domain wall dynamics close to the angular momentum compensation point based on non-linear dynamic equations derived from the effective Lagrangian of a ferrimagnet. Analysis of the precession angle and
Externí odkaz:
http://arxiv.org/abs/2103.04105
Autor:
Davydova, M. D., Wu, Jong-Ching, Ciou, Sheng-Zhe, Chiou, Yi-Ru, Skirdkov, P. N., Zvezdin, K. A., Kimel, A. V., Ye, Lin-Xiu, Wu, Te-Ho, Bhatt, Ramesh Chandra, Zvezdin, A. K.
Publikováno v:
Phys. Rev. Applied 13, 034053 (2020)
Experimental studies of anomalous Hall effect are performed for thin filmed Ta/TbFeCo in a wide range of temperatures and magnetic fields up to 3 T. While far from the compensation temperature (TM=277 K) the field dependence has a conventional shape
Externí odkaz:
http://arxiv.org/abs/1908.09863
Publikováno v:
Phys. Rev. B 100, 064409 (2019)
Anomalous hysteresis loops of ferrimagnetic amorphous alloys in high magnetic field and in the vicinity of the compensation temperature have so far been explained by sample inhomogeneities. We obtain H-T magnetic phase diagram for ferrimagnetic GdFeC
Externí odkaz:
http://arxiv.org/abs/1903.07941
We derive an effective Lagrangian in the quasi-antiferromagnetic approximation that allows to describe the magnetization dynamics for uniaxial f-d (rare-earth - transition metal) ferrimagnet near the magnetization compensation point in the presence o
Externí odkaz:
http://arxiv.org/abs/1901.03072
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