612 citations · 2.8k across the 44 of their papers we have counts for
45 papers
In-situ Straining of Epitaxial Freestanding Ferroic Films by a MEMS Device
Simone Finizio, Tim A. Butcher, Maria Cocconcelli +10
Mechanical strain can be used to control physical properties in materials. The experimental investigation of strain-induced effects at the nanoscale is of importance not only for i…
Supersampled scanning transmission X-ray microscopy for high-resolution vibration-independent time-resolved imaging
Simone Finizio, Benjamin Watts, Benedikt Rösner +4
Scanning transmission X-ray microscopy (STXM) is a nanoscale imaging technique that can utilize several powerful contrast mechanisms for the quantitative mapping of chemical and ph…
Room temperature control of axial and basal antiferromagnetic anisotropies using strain
Jack Harrison, Junxiong Hu, Charles Godfrey +6
Antiferromagnetic materials are promising platforms for the development of ultra-fast spintronics and magnonics due to their robust magnetism, high-frequency relativistic dynamics,…
Soft x-ray ptychography with SOPHIE: Guide and instrumentation
Tim A. Butcher, Simone Finizio, Lars Heller +7
Soft x-ray ptychography is becoming a key synchrotron microscopy technique in the fields of condensed matter physics, chemistry, and environmental and life sciences. Its attractive…
Antiferromagnetic Skyrmion Scattering Revealed by Direct Time-Resolved Imaging of Collective Dynamics
Mona Bhukta, Takaaki Dohi, Kilian Leutner +7
Scattering analysis offers a fundamental route to revealing particle interactions with direct implications for device technologies relying on ensembles of particles such as magneti…
Altermagnetic nanotextures revealed in bulk MnTe
Rikako Yamamoto, Luke Alexander Turnbull, Marcus Schmidt +10
With many candidate altermagnetic materials, MnTe has emerged as one of the most promising systems, with growing experimental evidence for altermagnetic phenomena. So far, the majo…
Unidirectional motion of topological defects mediating continuous rotation processes
Marisel Di Pietro Martínez, Luke Alexander Turnbull, Jeffrey Neethirajan +9
Topological defects play a critical role across many fields, mediating phase transitions and macroscopic behaviors as they move through space. Their role as robust information carr…
Observation of a non-reciprocal skyrmion Hall effect of hybrid chiral skyrmion tubes in synthetic antiferromagnetic multilayers
Takaaki Dohi, Mona Bhukta, Fabian Kammerbauer +12
A hybrid chiral skyrmion tube is a well-known example of a 3D topological spin texture, exhibiting an intriguing chirality transition along the thickness direction. This transition…
Nanoscale Domain Wall Dynamics in Micromagnetic Structures with Weak Perpendicular Anisotropy
Tim A. Butcher, Nicholas W. Phillips, Abraham L. Levitan +4
Time-resolved pump-probe soft X-ray ptychography and Scanning Transmission X-ray Microscopy (STXM) were employed to study the magnetic domain wall dynamics in microstructures of pe…
Imaging ferroelectric domains with soft X-ray ptychography at the oxygen K-edge
Tim A. Butcher, Nicholas W. Phillips, Chia-Chun Wei +7
The ferroelectric domain structure of a freestanding BiFeO film was visualized by ptychographic dichroic imaging with linearly polarized X-rays at the O K-edge around 530 eV. T…
Ptychographic nanoscale imaging of the magnetoelectric coupling in freestanding BiFeO
Tim A. Butcher, Nicholas W. Phillips, Chun-Chien Chiu +14
Understanding the magnetic and ferroelectric ordering of magnetoelectric multiferroic materials at the nanoscale necessitates a versatile imaging method with high spatial resolutio…
Three-dimensional spin-wave dynamics, localization and interference in a synthetic antiferromagnet
Davide Girardi, Simone Finizio, Claire Donnelly +8
Spin waves are collective perturbations in the orientation of the magnetic moments in magnetically ordered materials. Their rich phenomenology is intrinsically three-dimensional; h…
Spatially reconfigurable topological textures in freestanding antiferromagnetic nanomembranes
Hariom Jani, Jack Harrison, Sonu Hooda +11
Antiferromagnets hosting real-space topological spin textures are promising platforms to model fundamental ultrafast phenomena and explore spintronics. However, to date, they have…
Domain wall motion at low current density in a synthetic antiferromagnet nanowire
Christopher Barker, Simone Finizio, Eloi Haltz +6
The current-driven motion of magnetic domain walls (DWs) is the working principle of magnetic racetrack memories. In this type of spintronic technology, high current densities are…
Multiband condensate of magnons in two dimensions
Joe Bailey, Pavlo Sukhachov, Korbinian Baumgaertl +7
Wavelike bosonic particles can accumulate in a single mode characterized by a particular wavelength, and such condensates are at the heart of phenomena such as superconductivity an…
Optical excitation of electromagnons in hexaferrite
Hiroki Ueda, Hoyoung Jang, Sae Hwan Chun +11
Understanding ultrafast magnetization dynamics on the microscopic level is of strong current interest due to the potential for applications in information storage. In recent years,…
Three-dimensional Resonant Magnetization Dynamics Unraveled by Time-Resolved Soft X-ray Laminography
Simone Finizio, Claire Donnelly, Sina Mayr +2
The imaging of magneto-dynamical processes has been, so far, mostly a two-dimensional business, due to the constraints of the available experimental techniques. In this manuscript,…
Skyrmions in synthetic antiferromagnets and their nucleation via electrical current and ultrafast laser illumination
Roméo Juge, Naveen Sisodia, Joseba Urrestarazu Larrañaga +24
Magnetic skyrmions are topological spin textures that hold great promise as nanoscale information carriers in non-volatile memory and logic devices. While room-temperature magnetic…
Symmetry- and curvature effects on spin waves in vortex-state hexagonal nanotubes
Lukas Körber, Michael Zimmermann, Sebastian Wintz +13
Analytic and numerical studies on curved magnetic nano-objects predict numerous exciting effects that can be referred to as magneto-chiral effects, which do not originate from intr…
Direct X-ray detection of the spin Hall effect in CuBi
Sandra Ruiz-Gómez, Rubén Guerrero, Muhammad W. Khaliq +9
The spin Hall effect and its inverse are important spin-charge conversion mechanisms. The direct spin Hall effect induces a surface spin accumulation from a transverse charge curre…
Collective skyrmion motion under the influence of an additional interfacial spin-transfer torque
Callum R. MacKinnon, Katharina Zeissler, Simone Finizio +5
Here we study the effect of an additional interfacial spin-transfer torque, as well as the well established spin-orbit torque and bulk spin-transfer torque, on skyrmion collections…
Field- and current-driven magnetic domain-wall inverter and diode
Zhaochu Luo, Stefan Schären, Aleš Hrabec +8
We investigate the inversion process of magnetic domain walls (DWs) propagating through synthetic noncollinear magnetic textures, whereby an up/down DW can be transformed into a do…
Time-resolved imaging of Œrsted field induced magnetization dynamics in cylindrical magnetic nanowires
M. Schöbitz, S. Finizio, A. De Riz +7
Recent studies in three dimensional spintronics propose that the Œrsted field plays a significant role in cylindrical nanowires. However, there is no direct report of its impact on…
Experimental observation of the curvature-induced asymmetric spin-wave dispersion in hexagonal nanotubes
Lukas Körber, Michael Zimmermann, Sebastian Wintz +9
Theoretical and numerical studies on curved magnetic nano-objects predict numerous exciting effects that can be referred to as magneto-chiral effects, which do not originate from t…