412 citations · 1.2k across the 30 of their papers we have counts for
30 papers
Altermagnetic magnon transport in the \textit{d}-wave altermagnet \ch{LuFeO3}
Edgar Galindez-Ruales, Wanting Yang, Tobias Dannegger +11
Altermagnets exhibit a spin-split band structure despite having zero net magnetization, leading to special magnonic properties such as anisotropic magnon lifetimes and field-free s…
Spin Seebeck in the weak exchange coupled van der Waals antiferromagnet
Xue He, Shilei Ding, Hans Gløckner Giil +8
Spin Seebeck effect (SSE) refers to the creation of spin currents due to a temperature gradient in the magnetic materials or across magnet-normal metal interfaces, which can be ele…
All optical excitation of spin polarization in d-wave altermagnets
Marius Weber, Stephan Wust, Luca Haag +14
The recently discovered altermagnets exhibit collinear magnetic order with zero net magnetization but with unconventional spin-polarized d/g/i-wave band structures, expanding the k…
Skyrmionic device for three dimensional magnetic field sensing enabled by spin-orbit torques
Sabri Koraltan, Rahul Gupta, Reshma Peremadathil Pradeep +14
Magnetic skyrmions are topologically protected local magnetic solitons that are promising for storage, logic or general computing applications. In this work, we demonstrate that we…
Direct observation of altermagnetic band splitting in CrSb thin films
Sonka Reimers, Lukas Odenbreit, Libor Smejkal +14
Altermagnetism represents an emergent collinear magnetic phase with compensated order and an unconventional alternating even-parity wave spin order in the non-relativistic band str…
Generation of imprinted strain gradients for spintronics
Giovanni Masciocchi, Mouad Fattouhi, Elizaveta Spetzler +7
In this work, we propose and evaluate an inexpensive and CMOS-compatible method to locally apply strain on a Si/SiOx substrate. Due to high growth temperatures and different therma…
Temperature dependent study of the spin dynamics of coupled YFeO/GdFeO/Pt trilayers
Felix Fuhrmann, Sven Becker, Akashdeep Akashdeep +4
In this study, we investigate the dynamic response of a YFeO (YIG)/ GdFeO (GdIG)/ Pt trilayer system by measurements of the ferromagnetic resonance (F…
Mechanism of electrical switching of ultra-thin CoO/Pt bilayers
Christin Schmitt, Adithya Rajan, Grischa Beneke +9
We study current-induced switching of the Néel vector in CoO/Pt bilayers to understand the underlaying antiferromagnetic switching mechanism. Surprisingly, we find that for ultra-t…
Single device offset-free magnetic field sensing principle with tunable sensitivity and linear range based on spin-orbit-torques
Sabri Koraltan, Christin Schmitt, Florian Bruckner +12
We propose a novel device concept using spin-orbit-torques to realize a magnetic field sensor, where we eliminate the sensor offset using a differential measurement concept. We der…
Optimization of Permalloy properties for magnetic field sensors using He irradiation
Giovanni Masciocchi, Johannes Wilhelmus van der Jagt, Maria-Andromachi Syskaki +7
Permalloy, despite being a widely utilized soft magnetic material, still calls for optimization in terms of magnetic softness and magnetostriction for its use in magnetoresistive s…
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…
Identifiying the domain wall spin structure in current-induced switching of antiferromagnetic NiO/Pt
Christin Schmitt, Luis Sanchez-Tejerina, Mariia Filianina +9
The understanding of antiferromagnetic domain walls, which are the interface between domains with different Néel order orientations, is a crucial aspect to enable the use of antife…
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…
Electrical detection of the spin-flop and room-temperature magnetic ordering in van der Waals CrPS/(Pt, Pd) heterostructures
Rui Wu, Andrew Ross, Shilei Ding +9
We study magneto-transport in heterostructures composed of the van der Waals antiferromagnet CrPS and the heavy metals Pt and Pd. The transverse resistance (R) signal…
Magnon Transport in the Presence of Antisymmetric Exchange in a Weak Antiferromagnet
A. Ross, R. Lebrun, O. Gomonay +5
The Dzyaloshinskii-Moriya interaction (DMI) is at the heart of many modern developments in the research field of spintronics. DMI is known to generate noncollinear magnetic texture…
Magnetic coupling in YFeO/GdFeO heterostructures
Sven Becker, Zengyao Ren, Felix Fuhrmann +8
Ferrimagnetic YFeO (YIG) is the prototypical material for studying magnonic properties due to its exceptionally low damping. By substituting the yttrium with other r…
Electrical detection of the spin reorientation transition in antiferromagnetic TmFeO thin films by spin Hall magnetoresistance
Sven Becker, Andrew Ross, Romain Lebrun +7
TmFeO (TFO) is a canted antiferromagnet that undergoes a spin reorientation transition (SRT) with temperature between 82 K and 94 K in single crystals. In this temperature regi…
Identification of Néel vector orientation in antiferromagnetic domains switched by currents in NiO/Pt thin films
Christin Schmitt, Lorenzo Baldrati, Luis Sanchez-Tejerina +14
Understanding the electrical manipulation of antiferromagnetic order is a crucial aspect to enable the design of antiferromagnetic devices working at THz frequency. Focusing on col…
Efficient spin torques in antiferromagnetic CoO/Pt quantified by comparing field- and current- induced switching
Lorenzo Baldrati, Christin Schmitt, Olena Gomonay +5
We achieve current-induced switching in collinear insulating antiferromagnetic CoO/Pt, with fourfold in-plane magnetic anisotropy. This is measured electrically by spin Hall magnet…
Structural sensitivity of the spin Hall magnetoresistance in antiferromagnetic thin films
Andrew Ross, Romain Lebrun, Camilo Ulloa +7
Reading the magnetic state of antiferromagnetic (AFM) thin films is key for AFM spintronic devices. We investigate the underlying physics behind the spin Hall magnetoresistance (SM…
Propagation length of antiferromagnetic magnons governed by domain configurations
Andrew Ross, Romain Lebrun, Olena Gomonay +13
The compensated magnetic order and characteristic, terahertz frequencies of antiferromagnetic materials makes them promising candidates to develop a new class of robust, ultra-fast…
Anisotropies and magnetic phase transitions in insulating antiferromagnets determined by a Spin-Hall magnetoresistance probe
Romain Lebrun, Andrew Ross, Olena Gomonay +8
We demonstrate that we can determine the antiferromagnetic anisotropies and the bulk Dzyaloshinskii-Moriya fields of the insulating iron oxide hematite, α-Fe2O3, using a surface se…
Mechanism of Néel order switching in antiferromagnetic thin films revealed by magnetotransport and direct imaging
Lorenzo Baldrati, Olena Gomonay, Andrew Ross +12
We probe the current-induced magnetic switching of insulating antiferromagnet/heavy metals systems, by electrical spin Hall magnetoresistance measurements and direct imaging, ident…
Spin-dependent (inverse) spin Hall effect in CoFeB
Joel Cramer, Andrew Ross, Samridh Jaiswal +3
In ferromagnetic metals, the interconversion of spin and charge currents via the spin Hall effect and its inverse can depend on the angle between the ferromagnets magnetization and…