291 citations · 1.1k across the 14 of their papers we have counts for
14 papers
Pulse Shaping Strategies for Efficient Switching of Magnetic Tunnel Junctions by Spin-Orbit Torque
Marco Hoffmann, Viola Krizakova, Vaishnavi Kateel +3
The writing energy for reversing the magnetization of the free layer in a magnetic tunnel junction (MTJ) is a key figure of merit for comparing the performances of magnetic random…
Field-Free Spin-Orbit Torque driven Switching of Perpendicular Magnetic Tunnel Junction through Bending Current
Vaishnavi Kateel, Viola Krizakova, Siddharth Rao +10
Current-induced spin-orbit torques (SOTs) enable fast and efficient manipulation of the magnetic state of magnetic tunnel junctions (MTJs), making it attractive for memory, in-memo…
Spin-orbit torque switching of magnetic tunnel junctions for memory application
Viola Krizakova, Manu Perumkunnil, Sebastien Couet +2
Spin-orbit torques (SOT) provide a versatile tool to manipulate the magnetization of diverse classes of materials and devices using electric currents, leading to novel spintronic m…
Tailoring the switching efficiency of magnetic tunnel junctions by the fieldlike spin-orbit torque
Viola Krizakova, Marco Hoffmann, Vaishnavi Kateel +5
Current-induced spin-orbit torques provide a versatile tool for switching magnetic devices. In perpendicular magnets, the dampinglike component of the torque is the main driver of…
Interplay of voltage control of magnetic anisotropy, spin transfer torque, and heat in the spin-orbit torque switching in three-terminal magnetic tunnel junctions
Viola Krizakova, Eva Grimaldi, Kevin Garello +4
We use three-terminal magnetic tunnel junctions (MTJs) designed for field-free switching by spin-orbit torques (SOTs) to systematically study the impact of dual voltage pulses on t…
Real-time Hall-effect detection of current-induced magnetization dynamics in ferrimagnets
G. Sala, V. Krizakova, E. Grimaldi +3
Measurements of the transverse Hall resistance are widely used to investigate electron transport, magnetization phenomena, and topological quantum states. Owing to the difficulty o…
Single-shot dynamics of spin-orbit torque and spin transfer torque switching in three-terminal magnetic tunnel junctions
Eva Grimaldi, Viola Krizakova, Giacomo Sala +5
Current-induced spin-transfer torques (STT) and spin-orbit torques (SOT) enable the electrical switching of magnetic tunnel junctions (MTJs) in nonvolatile magnetic random access m…
Field-free switching of magnetic tunnel junctions driven by spin-orbit torques at sub-ns timescales
Viola Krizakova, Kevin Garello, Eva Grimaldi +2
We report time-resolved measurements of magnetization switching by spin-orbit torques in the absence of an external magnetic field in perpendicularly magnetized magnetic tunnel jun…
Study of the velocity plateau of Dzyaloshinskii domain walls
V. Krizakova, J. Pena Garcia, J. Vogel +4
We study field-driven domain wall (DW) velocities in asymmetric multilayer stacks with perpendicular magnetic anisotropy and Dzyaloshinskii-Moriya interaction (DMI), both experimen…
The growth of metastable fcc Fe78Ni22 thin films on H-Si(100) substrates suitable for focused ion beam direct magnetic patterning
Jonas Gloss, Michal Horký, Viola Křižáková +4
We have studied the growth of metastable face-centered-cubic, non-magnetic Fe78Ni22 thin films on silicon substrates. These films undergo a magnetic (paramagnetic to ferromagnetic)…
Velocity enhancement by synchronization of magnetic domain walls
Aleš Hrabec, Viola Křižáková, Stefania Pizzini +4
Magnetic domain walls are objects whose dynamics is inseparably connected to their structure. In this work we investigate magnetic bilayers, which are engineered such that a couple…
Large voltage tuning of Dzyaloshinskii-Moriya Interaction: a route towards dynamic control of skyrmion chirality
Titiksha Srivastava, Marine Schott, Roméo Juge +14
Electric control of magnetism is a prerequisite for efficient and low power spintronic devices. More specifically, in heavy metal/ ferromagnet/ insulator heterostructures, voltage…
Tuning domain wall velocity with Dzyaloshinskii-Moriya interaction
Fernando Ajejas, Viola Krizakova, Dayane de Souza Chaves +6
We have studied a series of Pt/Co/M epitaxial trilayers, in which Co is sandwiched between Pt and a non magnetic layer M (Pt, Ir, Cu, Al). Using polar magneto-optical Kerr microsco…
Dependence of Dzyaloshinskii-Moriya interaction on the oxygen coverage in Pt/Co/MOx trilayers
Dayane de Souza Chaves, Fernando Ajejas, Viola Krizakova +2
We have studied the interfacial Dzyaloshinskii-Moriya interaction (DMI) in a series of Pt/Co/MOx (M=Al, Gd) trilayers in which the degree of oxidation of the top Co interface is va…