77 citations · 296 across the 17 of their papers we have counts for
17 papers
Josephson-like magnetic tunnel junction -- transition from classical to quantum regime
V. V. Yurlov, P. N. Skirdkov, K. A. Zvezdin +1
We theoretically propose and analyze a Josephson-like magnetic tunnel junction (MTJ) structure that exhibits quantum spin dynamics analogous to those in superconducting Josephson j…
Two-dimensional THz spectroscopy of nonlinear phononics in the topological insulator
T. G. H. Blank, K. A. Grishunin, K. A. Zvezdin +6
The interaction of a single-cycle THz electric field with the topological insulator triggers strongly anharmonic lattice dynamics, promoting fully co…
Ultrafast Emergence of Ferromagnetism in Antiferromagnetic FeRh in High Magnetic Fields
I. A. Dolgikh, T. G. H. Blank, A. G. Buzdakov +11
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 ultra…
Phase transitions in rare-earth ferrimagnets with surface anisotropy near the magnetization compensation point
V. V. Yurlov, K. A. Zvezdin, A. K. Zvezdin
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'…
Sample-dependent Dirac point gap in MnBiTe and its response to the applied surface charge: a combined photoemission and ab initio study
A. M. Shikin, D. A. Estyunin, N. L. Zaitsev +16
Recently discovered intrinsic antiferromagnetic topological insulator MnBiTe presents an exciting platform for realization of the quantum anomalous Hall effect and a number…
Anomalies in the dynamics of ferrimagnets near the angular momentum compensation point
A. K. Zvezdin, Z. V. Gareeva, K. A. Zvezdin
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 effect…
Unusual Field Dependence of Anomalous Hall Effect in Ta/TbFeCo
M. D. Davydova, Jong-Ching Wu, Sheng-Zhe Ciou +8
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…
H-T Phase Diagram of Rare-Earth -- Transition Metal Alloy in the Vicinity of the Compensation Point
M. D Davydova, K. A. Zvezdin, J. Becker +2
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 inhomog…
Ultrafast magnetization dynamics in uniaxial ferrimagnets with compensation point. GdFeCo
M. D. Davydova, K. A. Zvezdin, A. V. Kimel +1
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) f…
Synchrotron radiation induced magnetization in magnetically-doped and pristine topological insulators
A. M. Shikin, D. M. Sostina, A. A. Rybkina +14
Quantum mechanics postulates that any measurement influences the state of the investigated system. Here, by means of angle-, spin-, and time-resolved photoemission experiments and…
Origin of the giant linear magnetoelectric effect in perovskite-like multiferroic BiFeO
A. F. Popkov, M. D. Davydova, K. A. Zvezdin +2
In this article the mechanism of the linear magnetoelectric (ME) effect in the rhombohedral multiferroic BiFeO is considered. The study is based on the symmetry approach of the…
Spin current and magnetization induced by circularly polarized synchrotron radiation in magnetically-doped topological insulator BiVSbTeSe
A. M. Shikin, A. A. Rybkina, I. I. Klimovskikh +6
We propose a hole-induced mechanism of spin-polarized current generation by circularly polarized synchrotron radiation and corresponding induced magnetization in magnetically-doped…
Efficient Synchronization of Dipolarly Coupled Vortex-Based Spin Transfer Nano-Oscillators
N. Locatelli, A. Hamadeh, F. Abreu Araujo +10
Due to their nonlinear properties, spin transfer nano-oscillators can easily adapt their frequency to external stimuli. This makes them interesting model systems to study the effec…
Large amplitude vortex gyration in Permalloy/BiSe-like heterostructures
P. N. Skirdkov, K. A. Zvezdin, A. D. Belanovsky +4
We consider the excitation of large amplitude gyrotropic vortex core precession in a Permalloy nanodisk by the torques originating from the in-plane microwave current flowing along…
Spin structure of Graphene/Pt interface for spin current formation and induced magnetization in deposited (Ni-Fe)-nanodots
A. M. Shikin, A. A. Rybkina, A. G. Rybkin +4
Spin electronic structure of graphene pi-states and Pt 5d-states for the Graphene/Pt interface has been investigated. Here, we report a large induced spin-orbit splitting (~70-100…
Influence of the structure defects on the magnetic properties of the FePt/Fe bilayer
E. M. Plotnikova, I. I. Trushkin, D. A. Lenkevich +3
Thin magnetic multilayered films containing FePt have attracted a lot of attention recently due to their possible usage in ultra-high density magnetic storage. Although structure d…
Even-odd effects in magnetoresistance of ferromagnetic domain walls
M. Dzero, L. P. Gor'kov, A. K. Zvezdin +1
Difference in density of states for the spin's majority and minority bands in a ferromagnet changes the electrostatic potential along the domains, introducing the discontinuities o…