33 citations · 77 across the 11 of their papers we have counts for
11 papers
Correlating on-the-fly Electrical and Optical Skyrmion Readout
Grischa Beneke, Kilian Leutner, Nikhil Vijayan +7
Magnetic skyrmions, topologically stabilized spin textures, are promising candidates for future memory devices and non-conventional computing applications due to their enhanced sta…
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…
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…
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…
Comparison of Sensitivity and Low Frequency Noise Contributions in GMR and TMR Spin Valve Sensors with a Vortex State Free Layer
Herbert Weitensfelder, Hubert Brueckl, Armin Satz +9
Magnetoresistive spin valve sensors based on the giant- (GMR) and tunnelling- (TMR) magnetoresisitve effect with a flux-closed vortex state free layer design are compared by means…
Topologically Protected Vortex Structures to Realize Low-Noise Magnetic Sensors
Dieter Suess, Anton Bachleitner-Hofmann, Armin Satz +11
Micromagnetic sensors play a major role towards the miniaturization in the industrial society. The adoption of new and emerging sensor technologies like anisotropic magnetoresistan…
Considering non-uniform current distributions in magnetoresistive sensor designs and their implications for the resistance transfer function
Anton Bachleitner-Hofmann, Claas Abert, Hubert Brückl +5
Non-uniform current distributions of spin valves with disk shaped free layers are investigated. In the context of spin valves, the vortex state, which is the ground-state in many d…
Grain structure dependence of coercivity in thin films
Anton Bachleitner-Hofmann, Bernhard Bergmair, Thomas Schrefl +2
We investigated coercive fields of 200nm x 1200nm x 5nm rectangular nanocrystalline thin films as a function of grain size D using finite elements simulations. To this end, we crea…
Macroscopic Simulation of Isotropic Permanent Magnets
Florian Bruckner, Claas Abert, Christoph Vogler +6
Accurate simulations of isotropic permanent magnets require to take the magnetization process into account and consider the anisotropic, nonlinear, and hysteretic material behaviou…
A Device model for xMR Sensors based on the Stoner-Wohlfarth model
Florian Bruckner, Bernhard Bergmair, Hubert Brueckl +4
The Stoner-Wohlfarth model provides an efficient analytical model to describe the behavior of magnetic layers within xMR sensors. Combined with a proper description of magneto-resi…
Efficient Energy-minimization in Finite-Difference Micromagnetics: Speeding up Hysteresis Computations
Claas Abert, Gregor Wautischer, Florian Bruckner +2
We implement an efficient energy-minimization algorithm for finite-difference micromagnetics that proofs especially useful for the computation of hysteresis loops. Compared to resu…