212 citations · 1.2k across the 63 of their papers we have counts for
66 papers
Perspectives on inverse design for AI magnonics
Franz Vilsmeier, Florian Bruckner, Claas Abert +2
Inverse design - specifying a desired functionality and letting a computational algorithm find the optimal structure - has emerged as a powerful paradigm for magnonic device engine…
Eigenmodes of synthetic antiferromagnetic skyrmions
Kauser Zulfiqar, Martin Lang, Samuel J. R. Holt +3
We investigate the excitation modes of confined synthetic-antiferromagnetic (SAF) skyrmions using micromagnetic eigenvalue and ringdown simulations. Starting from a single skyrmion…
A Fourier-Space Approach to Physics-Informed Magnetization Reconstruction from Nitrogen-Vacancy Measurements
Alexander Setescak, Florian Bruckner, Dieter Suess +8
Reconstructing magnetization textures from nitrogen-vacancy (NV) magnetometry stray-field measurements is a challenging, fundamentally ill-posed inverse problem, further complicate…
k-Selective Electrical-to-Magnon Transduction with Realistic Field-distributed Nanoantennas
Andreas Höfinger, Andrey A. Voronov, David Schmoll +9
The excitation and detection of propagating spin waves with lithographed nanoantennas underpin both classical magnonic circuits and emerging quantum technologies. Here, we establis…
jaxFMM: An Adaptive, GPU-Parallel Implementation of the Fast Multipole Method in JAX
Robert Kraft, Florian Bruckner, Dieter Suess +1
We introduce jaxFMM, an open-source, adaptive, highly parallel point-charge Fast Multipole Method implementation for the Laplace kernel written in JAX. It is based on a non-uniform…
Modeling Magnetoelastic Wave Interactions in Magnetic Films and Heterostructures: A finite-difference approach
Peter Flauger, Matthias Küß, Michael Karl Steinbauer +8
The (inverse) magnetostrictive effect in ferromagnets couples the magnetic properties to the mechanical stress, allowing for an interaction between the magnetic and mechanical degr…
SOT Enabled 3D Magnetic Field Sensor with Low Offset and High Sensitivity
Sebastian Zeilinger, Johannes Güttinger, Klemens Prügl +10
In this work we demonstrate a spin-orbit torque (SOT) magnetic field sensor, designed as a Ta/CoFeB/MgO structure, with high sensitivity and capable of active offset compensation i…
Micromagnetic Simulation and Optimization of Spin-Wave Transducers
Florian Bruckner, Kristýna Davídková, Claas Abert +2
The increasing demand for higher data volume and faster transmission in modern wireless telecommunication systems has elevated requirements for 5G high-band RF hardware. Spin-Wave…
Realization of inverse-design magnonic logic gates
Noura Zenbaa, Fabian Majcen, Claas Abert +6
Magnonic logic gates represent a crucial step toward realizing fully magnonic data processing systems without reliance on conventional electronic or photonic elements. Recently, a…
NeuralMag: an open-source nodal finite-difference code for inverse micromagnetics
Claas Abert, Florian Bruckner, Andrey Voronov +11
We present NeuralMag, a flexible and high-performance open-source Python library for micromagnetic simulations. NeuralMag leverages modern machine learning frameworks, such as PyTo…
Inverse-design topology optimization of magnonic devices using level-set method
Andrey A. Voronov, Marcos Cuervo Santos, Florian Bruckner +3
The inverse design approach in magnonics exploits the wave nature of magnons and machine learning to develop logical devices with functionalities that exceed the capabilities of an…
Field-free switching of perpendicular magnetic elements by using two orthogonal sub nanosecond spin orbit torque pulses
Dieter Suess, Claas Abert, Sebastian Zeilinger +2
We propose a field-free switching mechanism that utilizes two spatially orthogonal spin-orbit torque (SOT) currents. Initially applied simultaneously, one of the currents is subseq…
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…
Steerable current-driven emission of spin waves in magnetic vortex pairs
Sabri Koraltan, Katrin Schultheiss, Florian Bruckner +4
The efficient excitation of spin waves is a key challenge in the realization of magnonic devices. We demonstrate the current-driven generation of spin waves in antiferromagneticall…
Parallel-in-Time Integration of the Landau-Lifshitz-Gilbert Equation with the Parallel Full Approximation Scheme in Space and Time
Robert Kraft, Sabri Koraltan, Markus Gattringer +3
Speeding up computationally expensive problems, such as numerical simulations of large micromagnetic systems, requires efficient use of parallel computing infrastructures. While pa…
Laser-induced real-space topology control of spin wave resonances
Tim Titze, Sabri Koraltan, Timo Schmidt +8
Femtosecond laser excitation of materials that exhibit magnetic spin textures promises advanced magnetic control via the generation of ultrafast and non-equilibrium spin dynamics.…
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…
magnum.np -- A PyTorch based GPU enhanced Finite Difference Micromagnetic Simulation Framework for High Level Development and Inverse Design
Florian Bruckner, Sabri Koraltan, Claas Abert +1
magnum.np is a micromagnetic finite-difference library completely based on the tensor library PyTorch. The use of such a high level library leads to a highly maintainable and exten…
Generation and annihilation of skyrmions and antiskyrmions in magnetic heterostructures
Sabri Koraltan, Claas Abert, Florian Bruckner +3
We demonstrate the controlled generation and annihilation of (anti)skyrmions with tunable chirality in magnetic heterostructures by means of micromagnetic simulations. By making us…
Accurate finite-difference micromagnetics of magnets including RKKY interaction -- analytical solution and comparison to standard micromagnetic codes
Dieter Suess, Sabri Koraltan, Florian Slanovc +2
Within this paper we show the importance of accurate implementations of the RKKY interactions for antiferromagnetically coupled ferromagnetic layers with thicknesses exceeding the…
On the origin of noncollinear magnetization coupling across RuX layers
Claas Abert, Sabri Koraltan, Florian Bruckner +5
We present a simple atomistic model for the description of noncollinear coupling in magnetic multilayers with hybrid spacer layers made of Ru alloyed to ferromagnetic atoms such as…
Proposal for a micromagnetic standard problem: domain wall pinning at phase boundaries
Paul Heistracher, Claas Abert, Florian Bruckner +2
We propose a novel micromagnetic standard problem calculating the coercive field for unpinning a domain wall at the interface of a multiphase magnet. This problem is sensitive to d…
Computational Micromagnetics based on Normal Modes: bridging the gap between macrospin and full spatial discretization
S. Perna, F. Bruckner, C. Serpico +2
The Landau-Lifshitz equation governing magnetization dynamics is written in terms of the amplitudes of normal modes associated with the micromagnetic system's appropriate ground st…
Tension-free Dirac strings and steered magnetic charges in 3D artificial spin ice
Sabri Koraltan, Florian Slanovc, Florian Bruckner +5
3D nano-architectures present a new paradigm in modern condensed matter physics with numerous applications in photonics, biomedicine, and spintronics. They are promising for the re…