475 citations · 2.5k across the 80 of their papers we have counts for
76 papers
Trapping magnetic flux quanta in superconducting 3D caps
Igor Bogush, Vladimir M. Fomin, Oleksandr Dobrovolskiy
Magnetic flux quanta in type-II superconductors are topological excitations of the order parameter whose sensitivity to the local environment makes them probes of current density,…
Vortex rivers and multiple voltage transitions in superconducting MgB thin films
Anton Pokusinskyi, Clemens Schmid, Thomas Hauet +1
Vortex dynamics govern the dissipation and magneto-resistive properties of type-II superconductors. At large transport currents, the current-voltage (-) characteristics of a…
Geometry-induced current decrowding in superconducting 3D constrictions
Igor Bogush, Oleksandr Dobrovolskiy
Current crowding is a ubiquitous limitation in nanoscale devices, where confinement and sharp features distort current flow, generating localized current-density hotspots and prema…
Annealing-enhanced spin-orbit effects in non-centrosymmetric superconducting NbRe films
Zahra Makhdoumi Kakhaki, Yuriy Yerin, Francesco Avitabile +5
(NbRe) is a non-centrosymmetric superconductor with a transition temperature reaching in bulk form. While bulk and si…
AC-flux-driven SQUID diode spectroscopy as a probe of current-phase relations
Yuriy Yerin, Iman Askerzade, Alexey Fedorchenko +2
The current-phase relation (CPR) of a Josephson junction encodes microscopic information on superconducting states through higher-order and fractional harmonics. However, their una…
Crystal structure effects on vortex dynamics in superconducting MgB thin films
Clemens Schmid, Anton Pokusinskyi, Markus Gruber +7
The current-driven resistive transition is central to superconducting single-photon detectors, transition-edge sensors, and fluxonic devices. Depending on sample uniformity, dimens…
Annealing-induced grain coarsening and voltage kinks in superconducting NbRe films
Zahra Makhdoumi Kakhaki, Anton O. Pokusinskyi, Francesco Avitabile +5
NbRe, a non-centrosymmetric superconductor with a transition temperature up to 9\,K, attracts interest for its strong antisymmetric spin-orbit coupling and suitabili…
Vortex frequency locking and Shapiro steps in superconductor open nanotubes
Igor Bogush, Vladimir M. Fomin, Oleksandr V. Dobrovolskiy
The movement of magnetic flux quanta (Abrikosov vortices) in superconductors leads to dissipation and is influenced by various ordering effects arising from vortex-vortex, vortex-d…
DC-driven separation of fractional flux quanta in two-band superconductors
Anton O. Pokusinskyi, Oleksandr V. Dobrovolskiy
Two-band superconductors host vortices from superfluid condensates of different electron bands. These vortices carry a fractional flux quantum and attract each other, coalescing to…
Misfit layer superconductors, tuneable bulk heterostructures with strong 2D effects
Tomas Samuely, Martin Gmitra, Tristan Cren +2
Atomically thin layered materials are systems with zero limit bulk-to-surface ratio. Their physical properties are determined by two-dimensionality and strongly affected by interfa…
Spin waves in magnetic nanodisks, nanorings, and 3D nanovolcanoes
Oleksandr Dobrovolskiy, Gleb Kakazei
Patterned magnetic nanostructures are advanced materials characterized by their unique magnetic properties at the nanoscale, which are the result of tailored geometric configuratio…
Conformal approach to physics simulations for thin curved 3D membranes
Igor Bogush, Vladimir M. Fomin, Oleksandr V. Dobrovolskiy
Three-dimensional nanoarchitectures are widely used across various areas of physics, including spintronics, photonics, and superconductivity. In this regard, thin curved 3D membran…
Vortex ratchet effect in superconductor open nanotubes and nanopetals
Igor Bogush, Rodrigo H. de Bragança, Vladimir M. Fomin +1
Advancements in the fabrication of superconducting 3D nanostructures and the creation of artificial pinning sites pave the way to novel applications and enhancement of nanosensors,…
Vortex matching at 6 T in YBaCuO thin films by imprinting a 20 nm-periodic pinning array with a focused helium ion beam
Max Karrer, Bernd Aichner, Katja Wurster +9
Controlled engineering of vortex pinning sites in copper-oxide superconductors is a critical issue in manufacturing devices based on magnetic flux quanta. To address this, we emplo…
Magnetic anisotropy and GGG substrate stray field in YIG films down to millikelvin temperatures
Rostyslav O. Serha, Andrey A. Voronov, David Schmoll +17
Quantum magnonics investigates the quantum-mechanical properties of magnons such as quantum coherence or entanglement for solid-state quantum information technologies at the nanosc…
Steering of vortices by magnetic-field tilting in superconductor nanotubes
Igor Bogush, Oleksandr V. Dobrovolskiy, Vladimir M. Fomin
In planar superconductor thin films, the places of nucleation and arrangements of moving vortices are determined by structural defects. However, various applications of superconduc…
Fast Dynamics of Vortices in Superconductors
Oleksandr V. Dobrovolskiy
The last decade has been marked by great interest in the dynamics of vortices moving at high (10\,km/s) velocities in superconductors. However, the flux-flow instability (FFI) p…
Microwave generation and vortex jets in superconductor nanotubes
Igor Bogush, Oleksandr V. Dobrovolskiy, Vladimir M. Fomin
The dynamics of magnetic flux quanta (Abrikosov vortices) determine the resistive response of superconductors. In pinning-free planar thin films, the penetration and motion of vort…
Highly sensitive single-molecule detection in slow protein ion beams
M. Strauß, A. Shayeghi, M. F. X. Mauser +18
The analysis of proteins in the gas phase benefits from detectors that exhibit high efficiency and precise spatial resolution. Although modern secondary electron multipliers alread…
Roadmap for focused ion beam technologies
Katja Höflich, Gerhard Hobler, Frances I. Allen +29
The focused ion beam (FIB) is a powerful tool for the fabrication, modification and characterization of materials down to the nanoscale. Starting with the gallium FIB, which was or…
Vortex counting and velocimetry for slitted superconducting thin strips
V. M. Bevz, M. Yu. Mikhailov, B. Budinská +7
The maximal speed for magnetic flux quanta is determined by the energy relaxation of unpaired electrons and is thus essential for superconducting microstrip single-photon…
Propagating spin-wave spectroscopy in nanometer-thick YIG films at millikelvin temperatures
Sebastian Knauer, Kristýna Davídková, David Schmoll +10
Performing propagating spin-wave spectroscopy of thin films at millikelvin temperatures is the next step towards the realisation of large-scale integrated magnonic circuits for qua…
Vortex jets generated by edge defects in current-carrying superconductor thin strips
A. I. Bezuglyj, V. A. Shklovskij, B. Budinska +6
At sufficiently large transport currents , a defect at the edge of a superconducting strip acts as a gate for the vortices entering into it. These vortices form a je…
Rising speed limits for fluxons via edge quality improvement in wide MoSi thin films
B. Budinska, B. Aichner, D. Yu. Vodolazov +6
Ultra-fast vortex motion has recently become a subject of extensive investigations, triggered by the fundamental question regarding the ultimate speed limits for magnetic flux quan…