468 citations · 3k across the 60 of their papers we have counts for
61 papers
Spin Hall Magnetoresistance in Antiferromagnetic Insulators
Stephan Geprägs, Matthias Opel, Johanna Fischer +4
Antiferromagnetic materials promise improved performance for spintronic applications, as they are robust against external magnetic field perturbations and allow for faster magnetiz…
Spin-orbit torque-driven synthetic antiferromagnetic oscillator
P. K. Rout, J. Godinho, F. Vilsmeier +9
Antiferromagnets offer a promising route toward robust spintronic devices because of their compensated magnetic order and exchange-enhanced spin dynamics. Here, we demonstrate a sp…
Engineering altermagnetic symmetry to enable anomalous Hall response in CrMnSb
Miriam G. Fischer, Lukas Odenbreit, Olena Gomonay +10
Altermagnets are a promising class of materials for spintronic applications. However, compounds that simultaneously combine the symmetry required to support an anomalous Hall effec…
Direct demonstration of time-reversal-symmetry-breaking spin injection from a compensated magnet
Jone Mencos, Antonin Badura, Eoin Dolan +21
The injection, propagation and detection of spin currents are essential physical processes in spintronics. So far, the separation of charge and spin currents was facilitated by the…
Switchable Exchange Bias Resulting from Correlated Domain Structures in Orthogonally Coupled Antiferromagnet/Ferromagnet van der Waals Heterostructures
Aditya Kumar, Sadeed Hameed, Thibaud Denneulin +8
Van der Waals (vdW) magnetic heterostructures offer a versatile platform for engineering interfacial spin interactions with atomic precision, enabling nontrivial spin textures and…
Chiral magnetic excitations and domain textures of g-wave altermagnets
Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Jorge I. Facio +5
Altermagnets (AMs) constitute a novel class of spin-compensated materials in which opposite-spin sublattices are connected by a crystal rotation, causing their electronic iso-energ…
Transport theory and spin-transfer physics in d-wave altermagnets
Ricardo Zarzuela, Rodrigo Jaeschke-Ubiergo, Olena Gomonay +2
We develop a mesoscale transport theory for the charge and spin degrees of freedom of itinerant carriers in a -wave altermagnet. Our effective Lagrangian description is built up…
Probing nonlinear spin dynamics in canted easy-plane antiferromagnets using spin-rectification effects
A. El Kanj, S. Mantion, I. Boventer +5
We investigate spin-rectification phenomena in canted antiferromagnets, closely connected to the family of altermagnetic materials. Our results show that excitation efficiency is s…
Altermagnetic variants in thin films of Mn5Si3
Javier Rial, Miina Leiviskä, Gregor Skobjin +17
The altermagnet candidate Mn5Si3 has attracted wide attention in the context of non-relativistic spin physics, due to its composition of light elements. However, the presumed struc…
Curvature induced magnetization of altermagnetic films
Kostiantyn V. Yershov, Olena Gomonay, Jairo Sinova +2
We consider a thin film of -wave altermagnet bent in a stretching-free manner and demonstrate that gradients of the film curvature induce a local magnetization which is approxim…
Negative-energy spin waves in antiferromagnets for spin-current amplification and analogue gravity
Valentina Errani, Steven H. Schoenmaker, Xiangrong R. Wang +2
Magnonic black holes-analogue event horizons for the spin-wave collective excitations of ordered magnets-can be used for fundamental research, for example for investigating Hawking…
Structure, control, and dynamics of altermagnetic textures
O. Gomonay, V. P. Kravchuk, R. Jaeschke-Ubiergo +5
We present a phenomenological theory of altermagnets, that captures their unique magnetization dynamics and allows modelling magnetic textures in this new magnetic phase. Focusing…
Anisotropy of the anomalous Hall effect in the altermagnet candidate MnSi films
Miina Leiviskä, Javier Rial, Antonín Badura +15
Altermagnets are compensated magnets belonging to spin symmetry groups that allow alternating spin polarizations both in the coordinate space of the crystal and in the momentum spa…
Phase transitions associated with magnetic-field induced topological orbital momenta in a non-collinear antiferromagnet
Sihao Deng, Olena Gomonay, Jie Chen +12
Resistivity measurements are widely exploited to uncover electronic excitations and phase transitions in metallic solids. While single crystals are preferably studied to explore cr…
Nonlinear terahertz Néel spin-orbit torques in antiferromagnetic MnAu
Yannic Behovits, Alexander L. Chekhov, Stanislav Yu. Bodnar +8
Antiferromagnets have large potential for ultrafast coherent switching of magnetic order with minimum heat dissipation. In novel materials such as MnAu and CuMnAs, electric rat…
Higher-order Hall response arises from octupole order and scalar spin chirality in a noncollinear antiferromagnet
Adithya Rajan, Tom G. Saunderson, Fabian R. Lux +19
Noncollinear antiferromagnets can generate a transverse electrical response known as the anomalous Hall effect, even though they possess almost no net magnetization. The microscopi…
Antiferromagnetic insulatronics: spintronics in insulating 3d metal oxides with antiferromagnetic coupling
H. Meer, O. Gomonay, A. Wittmann +1
Antiferromagnetic transition metal oxides are an established and widely studied materials system in the context of spin-based electronics, commonly used as passive elements in exch…
Photocurrents, inverse Faraday effect and photospin Hall effect in MnAu
M. Merte, F. Freimuth, D. Go +6
Among antiferromagnetic materials, MnAu is one of the most intensively studied, and it serves as a very popular platform for testing various ideas related to antiferromagnetic…
Coupling of ferromagnetic and antiferromagnetic spin dynamics in MnAu/NiFe thin-film bilayers
Hassan Al-Hamdo, Tobias Wagner, Yaryna Lytvynenko +11
We investigate magnetization dynamics of MnAu/Py (NiFe) thin film bilayers using broadband ferromagnetic resonance (FMR) and Brillouin light scattering spectros…
Magnetic domain engineering in antiferromagnetic CuMnAs and MnAu devices
Sonka Reimers, Olena Gomonay, Oliver J. Amin +17
Antiferromagnetic materials hold potential for use in spintronic devices with fast operation frequencies and field robustness. Despite the rapid progress in proof-of-principle func…
Antiferromagnetic magnon spintronic based on non-reciprocal and non-degenerated ultra-fast spin-waves in the canted antiferromagnet α-Fe2O3
A. El Kanj, O. Gomonay, I. Boventer +4
Spin-waves in antiferromagnets hold the prospects for the development of faster, less power-hungry electronics, as well as promising physics based on spin-superfluids and coherent…
Micromagnetic study of spin transport in easy-plane antiferromagnetic insulators
Verena Brehm, Olena Gomonay, Serban Lepadatu +4
Magnon eigenmodes in easy-plane antiferromagnetic insulators are linearly polarized and are not expected to carry any net spin angular momentum. Motivated by recent nonlocal spin t…
Emission of coherent THz magnons in an antiferromagnetic insulator triggered by ultrafast spin-phonon interactions
E. Rongione, O. Gueckstock, M. Mattern +17
Antiferromagnetic materials have been proposed as new types of narrowband THz spintronic devices owing to their ultrafast spin dynamics. Manipulating coherently their spin dynamics…
Indirect optical manipulation of the antiferromagnetic order of insulating NiO by ultrafast interfacial energy transfer
Stephan Wust, Christopher Seibel, Hendrik Meer +14
We report the ultrafast, (sub)picosecond reduction of the antiferromagnetic order of the insulating NiO thin film in a Pt/NiO bilayer. This reduction of the antiferromagnetic order…