83 citations · 471 across the 16 of their papers we have counts for
16 papers
Electronic and Magnetic Properties of Building Blocks of Mn and Fe Atomic Chains on Nb(110)
András Lászlóffy, Krisztián Palotás, Levente Rózsa +1
We present results for the electronic and magnetic structure of Mn and Fe clusters on Nb(110) surface, focusing on building blocks of atomic chains as possible realizations of topo…
Anisotropic non-split zero-energy vortex bound states in a conventional superconductor
Howon Kim, Yuki Nagai, Levente Rózsa +2
Vortices in topological superconductors are predicted to host Majorana bound states (MBSs) as exotic quasiparticles. In recent experiments, the spatially non-split zero-energy vort…
Skyrmions as quasiparticles: free energy and entropy
Daniel Schick, Markus Weißenhofer, Levente Rózsa +1
The free energy and the entropy of magnetic skyrmions with respect to the collinear state are calculated for a (PtIr)/Fe bilayer on Pd(111) via atomistic spin mod…
Spin reorientation transition in an ultrathin Fe film on W(110) induced by Dzyaloshinsky-Moriya interactions
Balázs Nagyfalusi, László Udvardi, László Szunyogh +1
Controlling the preferred direction of the magnetic moments is essential for the design of spintronic devices based on ultrathin films and heterostructures. As the film thickness o…
High-resolution tunneling spin transport characteristics of topologically distinct magnetic skyrmionic textures from theoretical calculations
Krisztián Palotás, Levente Rózsa, Eszter Simon +1
High-resolution tunneling electron spin transport properties (longitudinal spin current (LSC) and spin transfer torque (STT) maps) of topologically distinct real-space magnetic sky…
Temperature scaling of two-ion anisotropy in pure and mixed anisotropy systems
Richard F. L. Evans, Levente Rózsa, Sarah Jenkins +1
Magnetic anisotropy plays an essential role in information technology applications of magnetic materials, providing a means to retain the long-term stability of a magnetic state in…
Magnetic structure of monatomic Fe chains on Re(0001): emergence of chiral multi-spin interactions
András Lászlóffy, Levente Rózsa, Krisztián Palotás +2
We present results of first-principles calculations of the magnetic properties of Fe chains deposited on the Re(0001) surface. By increasing the length of the chain, a transition i…
Localized spin waves in isolated skyrmions
Levente Rózsa, Julian Hagemeister, Elena Y. Vedmedenko +1
The localized magnon modes of isolated skyrmions on a field-polarized background are analyzed based on the Landau-Lifshitz-Gilbert equation within the terms of an atomistic cl…
Effective damping enhancement in noncollinear spin structures
Levente Rózsa, Julian Hagemeister, Elena Y. Vedmedenko +1
Damping mechanisms in magnetic systems determine the lifetime, diffusion and transport properties of magnons, domain walls, magnetic vortices, and skyrmions. Based on the phenomeno…
Controlled creation and stability of kπ-skyrmions on a discrete lattice
Julian Hagemeister, Ansgar Siemens, Levente Rózsa +2
We determine sizes and activation energies of kπ-skyrmions on a discrete lattice using the Landau- Lifshitz-Gilbert equation and the geodesic nudged elastic band method. The employ…
Theory of high-resolution tunneling spin transport on a magnetic skyrmion
Krisztián Palotás, Levente Rózsa, László Szunyogh
Tunneling spin transport characteristics of a magnetic skyrmion are described theoretically in magnetic scanning tunneling microscopy (STM). The spin-polarized charge current in ST…
Temperature scaling of the Dzyaloshinsky-Moriya interaction in the spin wave spectrum
Levente Rózsa, Unai Atxitia, Ulrich Nowak
The temperature scaling of the micromagnetic Dzyaloshinsky-Moriya exchange interaction is calculated for the whole range of temperature. We use Green's function theory to derive th…
Spin-polarized scanning tunneling microscopy characteristics of skyrmionic spin structures exhibiting various topologies
Krisztián Palotás, Levente Rózsa, Eszter Simon +2
The correct identification of topological magnetic objects in experiments is an important issue. In the present work we report on the characterization of metastable skyrmionic spin…
Formation and stability of metastable skyrmionic spin structures with various topologies in an ultrathin film
Levente Rózsa, Krisztián Palotás, András Deák +5
We observe metastable localized spin configurations with topological charges ranging from to in a (PtIr)/Fe bilayer on Pd surface by performin…
Complex magnetic phase diagram and skyrmion lifetime in an ultrathin film from atomistic simulations
Levente Rózsa, Eszter Simon, Krisztián Palotás +2
We determined the magnetic B-T phase diagram of PdFe bilayer on Ir(111) surface by performing Monte Carlo and spin dynamics simulations based on an effective classical spin model.…
Magnetic phase diagram of an Fe monolayer on W(110) and Ta(110) surfaces based on ab initio calculations
Levente Rózsa, László Udvardi, László Szunyogh +1
We present detailed investigations of the magnetic properties of an Fe monolayer on W and Ta (110) surfaces based on the ab initio screened Korringa-Kohn-Rostoker method. By calcul…