10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.2k papers
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- University of ManchesterGB2.1k papers
- Stockholm UniversitySE2k papers
- University of Science and Technology of ChinaCN1.9k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT1.8k papers
- Joint Institute for Nuclear ResearchRU1.7k papers
- University of BonnDE1.7k papers
- Indiana University BloomingtonUS1.7k papers
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30 papers · 2 filters
Ultra-low magnetic damping of a metallic ferromagnet
Martin A. W. Schoen, Danny Thonig, Michael L. Schneider +5
The phenomenology of magnetic damping is of critical importance for devices that seek to exploit the electronic spin degree of freedom since damping strongly affects the energy req…
Magnon Dirac materials
J. Fransson, A. M. Black-Schaffer, A. V. Balatsky
We demonstrate how a Dirac-like magnon spectrum is generated for localized magnetic moments forming a two-dimensional honeycomb lattice. The Dirac crossing point is proven to be ro…
Stacking fault energy of face-centered cubic metals: thermodynamic and ab initio approaches
Ruihuan Li, Song Lu, Dongyoo Kim +4
The formation energy of the interface between face-centered cubic (fcc) and hexagonal close packed (hcp) structures is a key parameter in determining the stacking fault energy (SFE…
First-Principles prediction of the deformation modes in austenitic Fe-Cr-Ni alloys
Wei Li, Song Lu, Dongyoo Kim +3
First-principles alloy theory is used to establish the -surface of Fe-Cr-Ni alloys as function of chemical composition and temperature. The theoretical stacking fault energy (SF…
Enhanced and Tunable Spin-Orbit Coupling in Tetragonally Strained Fe-Co-B Films
Ruslan Salikhov, Ludwig Reichel, Benjamin Zingsem +8
We have synthesized 20 nm thick films of tetragonally strained interstitial Fe-Co-B alloys epitaxially grown on Au55Cu45 buffer layer. The strained axis is perpendicular to the fil…
Tunable damping, saturation magnetization, and exchange stiffness of half-Heusler NiMnSb thin films
Philipp Dürrenfeld, Felicitas Gerhard, Jonathan Chico +8
The half-metallic half-Heusler alloy NiMnSb is a promising candidate for applications in spintronic devices due to its low magnetic damping and its rich anisotropies. Here we use f…
Microscopic origin of Heisenberg and non-Heisenberg exchange interactions in ferromagnetic bcc Fe
Y. O. Kvashnin, R. Cardias, A. Szilva +6
By means of first principles calculations we investigate the nature of exchange coupling in ferromagnetic bcc Fe on a microscopic level. Analyzing the basic electronic structure re…
Neutron reflectometry on highly absorbing films and its application to 10B4C-based neutron detectors
F. Piscitelli, A. Khaplanov, A. Devishvili +7
Neutron reflectometry is a powerful tool used for studies of surfaces and interfaces. In general the absorption in the typical studied materials can be neglected and this technique…
Magnetization dynamics in FeCo in presence of chemical disorder
Banasree Sadhukhan, Raghuveer Chimata, Biplab Sanyal +1
In this paper, we present a theoretical formulation of magnetization dynamics in disordered binary alloys based on Kubo linear response theory interfaced with the combination of se…
Efficient metallic spintronic emitters of ultrabroadband terahertz radiation
T. Seifert, S. Jaiswal, U. Martens +18
Terahertz electromagnetic radiation is extremely useful for numerous applications such as imaging and spectroscopy. Therefore, it is highly desirable to have an efficient table-top…
Polaron mobility in oxygen-deficient and lithium doped tungsten trioxide
N. Bondarenko, O. Eriksson, N. V. Skorodumova
Electron localization and polaron mobility in oxygen deficient as well as Li doped monoclinic tungsten trioxide have been studied. We show that small polarons formed in the presenc…
From soft to hard magnetic Fe-Co-B by spontaneous strain: A combined first principle and thin film study
Ludwig Reichel, Ludwig Schultz, Darius Pohl +6
In order to convert the well-known Fe-Co-B alloy from a soft to a hard magnet, we propose tetragonal strain by interstitial boron. Density functional theory reveals that when B ato…
Generation of high-frequency strain waves during femtosecond demagnetization of Fe/MgO films
T. Henighan, M. Trigo, S. Bonetti +22
We use femtosecond time-resolved hard x-ray scattering to detect coherent acoustic phonons excited during ultrafast laser demagnetization of bcc Fe films. We determine the lattice…
Elastic scattering of electron vortex beams in magnetic matter
Alexander Edström, Axel Lubk, Ján Rusz
Elastic scattering of electron vortex beams on magnetic materials leads to a weak magnetic contrast due to Zeeman interaction of orbital angular momentum of the beam with magnetic…
Electronic topological transition and non-collinear magnetism in compressed hcp Co
Y. O. Kvashnin, W. Sun, I. Di Marco +1
Recent experiments showed that Co undergoes a phase transition from ferromagnetic hcp phase to non-magnetic fcc one around 100 GPa. Since the transition is of first order, a certai…
All-thermal switching of amorphous Gd-Fe alloys: analysis of structural properties and magnetization dynamics
Raghuveer Chimata, Leyla Isaeva, Krisztina Kadas +9
In recent years, there has been an intense interest in understanding the microscopic mechanism of thermally induced magnetization switching driven by a femtosecond laser pulse. Mos…
Localization of Fe d-states in Ni-Fe-Cu alloys and implications for ultrafast demagnetization
Ronny Knut, Erna K. Delczeg-Czirjak, Justin M. Shaw +11
NiFe (Py) and Py-Cu exhibit intriguing ultrafast demagnetization behavior, where the Ni magnetic moment shows a delayed response relative to the Fe [S. Mathias et al.…
Correlated electron behavior of metalorganic molecules: insights from density functional theory combined with many-body effects using exact diagonalization
Sumanta Bhandary, Malte Schüler, Patrik Thunström +5
A proper theoretical description of electronic structure of the 3d orbitals in the metal centers of functional metalorganics is a challenging problem. In this letter, we apply dens…
Ab initio prediction of the mechanical properties of alloys: The case of Ni/Mn-doped ferromagnetic Fe
Guisheng Wang, Stephan Schönecker, Staffan Hertzman +4
First-principles alloy theory, formulated within the exact muffin-tin orbitals method in combination with the coherent-potential approximation, is used to study the mechanical prop…
Microscopic Theory for Coupled Atomistic Magnetization and Lattice Dynamics
J. Fransson, D. Thonig, P. F. Bessarab +3
A coupled atomistic spin and lattice dynamics approach is developed which merges the dynamics of these two degrees of freedom into a single set of coupled equations of motion. The…
Ab initio investigation of light-induced relativistic spin-flip effects in magneto-optics
Ritwik Mondal, Marco Berritta, Karel Carva +1
Excitation of a metallic ferromagnet such as Ni with an intensive femtosecond laser pulse causes an ultrafast demagnetization within approximately 300 fs. It was proposed that the…
Segregation, precipitation, and α-α' phase separation in Fe-Cr alloys: a multi-scale modelling approach
A. Kuronen, M. H. Heinonen, S. Granroth +10
Segregation, precipitation, and phase separation in Fe-Cr systems is investigated. Monte Carlo simulations using semiempirical interatomic potential, first-principles total energy…
Multiscale modeling of ultrafast element-specific magnetization dynamics of ferromagnetic alloys
D. Hinzke, U. Atxitia, K. Carva +4
A hierarchical multiscale approach to model the magnetization dynamics of ferromagnetic ran- dom alloys is presented. First-principles calculations of the Heisenberg exchange integ…
Metastable cubic and tetragonal phases of transition metals predicted by density-functional theory
Stephan Schönecker, Xiaoqing Li, Klaus Koepernik +3
By means of density-functional calculations, we systematically investigated 24 transition metals for possible metastable phases in body-centered tetragonal structure (bct), includi…