196 citations · 2.1k across the 78 of their papers we have counts for
42 papers · 1 filter
Relativistic magnetic interactions from non-orthogonal basis sets
Gabriel Martínez-Carracedo, László Oroszlány, Amador García-Fuente +4
We propose a method to determine the magnetic exchange interaction and on-site anisotropy tensors of extended Heisenberg spin models from density functional theory including relati…
Magnetic properties of hematite revealed by an ab initio parameterized spin model
Tobias Dannegger, András Deák, Levente Rózsa +6
Hematite is a canted antiferromagnetic insulator, promising for applications in spintronics. Here, we present ab initio calculations of the tensorial exchange interactions of hemat…
Current induced switching in Mn2Au from first principles
Severin Selzer, Leandro Salemi, András Deák +4
It is well established that it is possible to switch certain antiferromagnets electrically, yet the interplay of Néel-spin-orbit torques and thermal activation is only poorly under…
Reply to 'Comment on "Proper and improper chiral magnetic interactions" '
Manuel dos Santos Dias, Sascha Brinker, András Lászlóffy +4
In our previous Letter [Phys. Rev. B 103, L140408 (2021)], we presented a discussion of the fundamental physical properties of the interactions parameterizing atomistic spin models…
Exceptional sign changes of the non-local spin Seebeck effect in antiferromagnetic hematite
A. Ross, R. Lebrun, M. Evers +4
Low power spintronic devices based on the propagation of pure magnonic spin currents in antiferromagnetic insulator materials offer several distinct advantages over ferromagnetic c…
Proper and improper chiral magnetic interactions
Manuel dos Santos Dias, Sascha Brinker, András Lászlóffy +4
Atomistic spin models are of great value for predicting and understanding the magnetic properties of real materials, and extensions of the existing models open routes to new physic…
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…
Non-collinear antiferromagnetic states in Ru-based Heusler compounds induced by biquadratic coupling
Eszter Simon, Andreas Donges, László Szunyogh +1
We investigate the magnetic properties of RuMn ( = Sn, Sb, Ge, Si) chemically ordered full Heusler compounds for zero as well as finite temperatures. Based on first pri…
Spin-spiral formalism based on the multiple scattering Green's function technique with applications to ultrathin magnetic films and multilayers
Eszter Simon, Laszlo Szunyogh
Based on the Korringa-Kohn-Rostoker Green's function technique we present a computational scheme for calculating the electronic structure of layered systems with homogeneous spin-s…
Magnetism of a Co monolayer on Pt(111) capped by overlayers of elements: a spin-model study
E. Simon, L. Rózsa, K. Palotás +1
Using first-principles calculations, we study the magnetic properties of a Co monolayer on a Pt(111) surface with a capping monolayer of selected elements (Re, Os, Ir, Pt and…
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…
Inducing skyrmions in ultrathin Fe films by hydrogen exposure
Pin-Jui Hsu, Levente Rozsa, Aurore Finco +8
Magnetic skyrmions are localized nanometer-sized spin configurations with particle_like properties, which are envisioned to be used as bits in next_generation information technolog…
Role of temperature-dependent spin model parameters in ultra-fast magnetization dynamics
A. Deák, D. Hinzke, L. Szunyogh +1
In the spirit of multi-scale modelling magnetization dynamics at elevated temperature is often simulated in terms of a spin model where the model parameters are derived from first…
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…
Enhancement of the spin transfer torque efficiency in magnetic STM junctions
Krisztián Palotás, Gábor Mándi, László Szunyogh
We introduce a method for a combined calculation of charge and vector spin transport of elastically tunneling electrons in magnetic scanning tunneling microscopy (STM). The method…
Antiferromagnetism in Ru2MnZ (Z=Sn, Sb, Ge, Si) full Heusler alloys: effects of magnetic frustration and chemical disorder
Sergii Khmelevskyi, Eszter Simon, Laszlo Szunyogh
We present systematic theoretical investigations to explore the microscopic mechanisms leading to the formation of antiferromagnetism in Ru2MnZ (Z= Sn,Sb,Ge,Si) full Heusler alloys…
Tensile strain-induced softening of iron at high temperature
Xiaoqing Li, Stephan Schönecker, Eszter Simon +6
In weakly ferromagnetic materials, already small changes in the atomic configuration triggered by temperature or chemistry can alter the magnetic interactions responsible for the n…
Formation of magnetic skyrmions with tunable properties in PdFe bilayer deposited on Ir(111)
E. Simon, K. Palotas, L. Rozsa +2
We perform an extensive study of the spin-configurations in a PdFe bilayer on Ir(111) in terms of ab initio and spin-model calculations. We use the spin-cluster expansion technique…
Fluctuating local moments, itinerant electrons and the magnetocaloric effect: the compositional hypersensitivity of FeRh
J. B. Staunton, R. Banerjee, M. dos Santos Dias +2
We describe an ab-initio Disordered Local Moment Theory for materials with quenched static compositional disorder traversing first order magnetic phase transitions. It accounts qua…
Langevin spin dynamics based on ab initio calculations: numerical schemes and applications
L. Rózsa, L. Udvardi, L. Szunyogh
A method is proposed to study the finite-temperature behaviour of small magnetic clusters based on solving the stochastic Landau-Lifshitz-Gilbert equations, where the effective mag…
Electronic, magnetic and transport properties of full and half-metallic thin film Heusler alloys
Denis Comtesse, Benjamin Geisler, Peter Entel +2
The electronic and magnetic bulk properties of half-metallic Heusler alloys such as CoFeSi, CoFeAl, CoMnSi and CoMnAl are investigated by means of {\em ab i…
Effect of stacking faults on the magnetocrystalline anisotropy of hcp Co: a first-principles study
C J Aas, L Szunyogh, R F L Evans +1
In terms of the fully relativistic screened Korringa-Kohn-Rostoker method we investigate the effect of stacking faults on the magnetic properties of hexagonal close-packed cobalt.…