47 citations · 362 across the 23 of their papers we have counts for
24 papers
Machine-learned topological transport of magnetic colloids
Sebastian Wohlrab, Aneena Rinu Perayil, Piotr Kuświk +6
By modulating the orientation of a uniform magnetic field it is possible to transport magnetic microparticles above magnetic patterns. In periodic patterns, driving control loops t…
Topological sorting of magnetic colloidal bipeds
Aneena Rinu Perayil, Piotr Kuświk, Maciej Urbaniak +5
Topologically nontrivial adiabatic loops of the orientation of a homogeneous external magnetic field drive the walking of paramagnetic colloidal bipeds above a deformed quasi-perio…
Topologically cloaked magnetic colloidal transport
Anna M. E. B. Rossi, Thomas Märker, Nex C. X. Stuhlmüller +8
Cloaking is a method of making obstacles undetectable. Here we cloak unit cells of a magnetic pattern squeezed into an otherwise periodic pattern from a magnetically driven colloid…
Origin of ion bombardment induced Tb oxidation in Tb/Co multilayers
Daniel Kiphart, Michal Krupinski, Marzena Mitura-Nowak +6
Ion bombardment is currently an active area of research for patterning rare earth/transition metal ferrimagnetic thin films because the magnetic properties are extremely sensitive…
Magnetic colloidal single particles and dumbbells on a tilted washboard moire pattern in a precessing external field
Farzaneh Farrokhzad, Nex C. X. Stuhlmüller, Piotr Kuświk +6
We measure the dynamical behavior of colloidal singlets and dumbbells on an inclined magnetic moiré pattern, subject to a precessing external homogeneous magnetic field. At low ext…
Spin wave frequency hysteresis in Ir/Co/Pt multilayers with Dzyaloshinskii-Moriya interaction
Ryszard Gieniusz, Pawel Gruszecki, Jan Kisielewski +9
Results of extensive combined experimental and theoretical investigations on static and dynamic properties of Ir/Co/Pt multilayer with low uniaxial anisotropy and asymmetric Ir/Co…
Topologically controlled synthesis of active colloidal bipeds
Jonas Elschner, Farzaneh Farrokhzad, Piotr Kuświk +6
Topological growth control allows to produce a narrow distribution of outgrown colloidal rods with defined and adjustable length. We use an external magnetic field to assemble para…
Simultaneous and independent topological control of identical microparticles in non-periodic energy landscapes
N. C. X. Stuhlmüller, F. Farrokhzad, P. Kuświk +6
Topological protection ensures stability of information and particle transport against perturbations. We explore experimentally and computationally the topologically protected tran…
Magnetization statics and dynamics in (Ir/Co/Pt) multilayers with Dzyaloshinskii-Moriya interaction
A. K. Dhiman, R. Gieniusz, P. Gruszecki +8
Magnetic multilayers of (Ir/Co/Pt) with interfacial Dzyaloshinskii-Moriya interaction (IDMI) were deposited by magnetron sputtering with Co thickness nm. Exploiting mag…
Electrical properties of SmB thin films prepared by pulsed laser deposition from a stoichiometric SmB target
Marianna Batkova, Ivan Batko, Feliks Stobiecki +4
Possible existence of topologically protected surface in samarium hexaboride has created a strong need for investigations allowing to distinguish between properties coming from the…
Simultaneous polydirectional transport of colloidal bipeds
Mahla Mirzaee-Kakhki, Adrian Ernst, Daniel de las Heras +6
Detailed control over the motion of colloidal particles is relevant in many applications in colloidal science such as lab-on-a-chip devices. Here, we use an external magnetic field…
Current-induced magnetization switching of exchange-biased NiO heterostructures characterized by spin-orbit torque
Krzysztof Grochot, Łukasz Karwacki, Stanisław Łazarski +7
In this work, we study magnetization switching induced by spin-orbit torque in W(Pt)/Co/NiO heterostructures with variable thickness of heavy-metal layers W and Pt, perpendicularly…
Colloidal trains
Mahla Mirzaee-Kakhki, Adrian Ernst, Daniel de las Heras +10
Single and double paramagnetic colloidal particles are placed above a magnetic square pattern and are driven with an external magnetic field precessing around a high symmetry direc…
Spin Hall Magnetoresistance in Metallic Bilayers with In-plane Magnetized Ferromagnets
Łukasz Karwacki, Krzysztof Grochot, Stanisław Łazarski +6
We revisit the theory and experiment on spin Hall magnetoresistance (SMR) in bilayers consisting of a heavy metal (H) coupled to in-plane magnetized ferromagnetic metal (F), and de…
Magnetic domains without domain walls: a unique effect of He+ ion bombardment in ferrimagnetic Co/Tb multilayers
Łukasz Frąckowiak, Piotr Kuświk, Gabriel David Chaves-O'Flynn +6
We show that it is possible to engineer magnetic multi-domain configurations without domain walls in a prototypical rare earth/transition metal ferrimagnet using keV He+ ion bombar…
Field-free spin-orbit torque switching in Co/Pt/Co multilayer with mixed magnetic anisotropies
Stanisław Łazarski, Witold Skowroński, Jarosław Kanak +5
Spin-orbit-torque (SOT) induced magnetization switching in Co/Pt/Co trilayer, with two Co layers exhibiting magnetization easy axes orthogonal to each other is investigated. Pt lay…
Remagnetization in the array of ferromagnetic nanowires with periodic and quasiperiodic order
K. Szulc, F. Lisiecki, A. Makarov +9
We investigate experimentally and theoretically the magnetization reversal process in one-dimensional magnonic structures composed of permalloy nanowires of the two different width…
Magnons in a Quasicrystal: Propagation, Localization and Extinction of Spin Waves in Fibonacci Structures
Filip Lisiecki, Justyna Rychły, Piotr Kuświk +12
Magnonic quasicrystals exceed the possibilities of spin wave (SW) manipulation offered by regular magnonic crystals, because of their more complex SW spectra with fractal character…
Determination of spin Hall angle in heavy metal/CoFeB-based heterostructures with interfacial spin-orbit fields
Witold Skowroński, Łukasz Karwacki, Sławomir Ziętek +7
Magnetization dynamics in W/CoFeB, CoFeB/Pt and W/CoFeB/Pt multilayers was investigated using spin-orbit-torque ferromagnetic resonance (SOT-FMR) technique. An analytical model bas…
Edge states at the boundary between topologically equivalent lattices
Helena Massana-Cid, Adrian Ernst, Daniel de las Heras +9
Edge currents of paramagnetic colloidal particles propagate at the edge between two topologically equivalent magnetic lattices of different lattice constant when the system is driv…
Colloidal topological insulators
Johannes Loehr, Daniel de las Heras, Adam Jarosz +8
Topological insulators insulate in the bulk but exhibit robust conducting edge states protected by the topology of the bulk material. Here, we design a colloidal topological insula…
Lattice symmetries and the topological protected transport of colloidal particles
Johannes Loehr, Daniel de las Heras, Michael Loenne +10
The topologically protected transport of colloidal particles on top of magnetic patterns of all possible single lattice constant two dimensional magnetic point group symmetries is…
The determination of the Dzyaloshinskii-Moriya interaction in exchange biased Au/Co/NiO system
Piotr Kuświk, Michał Matczak, Mateusz Kowacz +2
The determination of the interfacial Dzyaloshinskii-Moriya interaction for perpendicularly magnetized thin layered films is not trivial and therefore needs some experimental effort…
Electric-field tunable spin diode FMR in patterned PMN-PT/NiFe structures
Sławomir Ziętek, Piotr Ogrodnik, Witold Skowroński +4
Dynamic properties of NiFe thin films on PMN-PT piezoelectric substrate are investigated using the spin-diode method. Ferromagnetic resonance (FMR) spectra of microstrips with vary…