Benjamin McMorran
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View article: Hybrid Skyrmions in Magnetic Multilayer Thin Films are Half-Integer Hopfions
Hybrid Skyrmions in Magnetic Multilayer Thin Films are Half-Integer Hopfions Open
Magnetic skyrmions are chiral spin textures which have attracted intense research for their fundamentally novel physics and potential applications as spintronic information carriers. The stability which makes them so potentially useful is …
View article: 2024 roadmap on magnetic microscopy techniques and their applications in materials science
2024 roadmap on magnetic microscopy techniques and their applications in materials science Open
Considering the growing interest in magnetic materials for unconventional computing, data storage, and sensor applications, there is active research not only on material synthesis but also characterisation of their properties. In addition …
View article: 2024 Roadmap on Magnetic Microscopy Techniques and Their Applications in Materials Science
2024 Roadmap on Magnetic Microscopy Techniques and Their Applications in Materials Science Open
Considering the growing interest in magnetic materials for unconventional computing, data storage, and sensor applications, there is active research not only on material synthesis but also characterisation of their properties. In addition …
View article: Measuring Phase and Symmetries in STEM-EELS
Measuring Phase and Symmetries in STEM-EELS Open
Journal Article Measuring Phase and Symmetries in STEM-EELS Get access Benjamin J McMorran, Benjamin J McMorran Department of Physics, University of Oregon, Eugene, Oregon, USA Corresponding author: [email protected] Search for other wo…
View article: Device and method for creating Gaussian aberration-corrected electron beams
Device and method for creating Gaussian aberration-corrected electron beams Open
Electron beam phase gratings have phase profiles that produce a diffracted beam having a Gaussian or other selected intensity profile. Phase profiles can also be selected to correct or compensate electron lens aberrations. Typically, a low…
View article: Methods and devices for measuring orbital angular momentum states of electrons
Methods and devices for measuring orbital angular momentum states of electrons Open
A device for measuring electron orbital angular momentum states in an electron microscope includes the following components aligned sequentially in the following order along an electron beam axis: a phase unwrapper (U) that is a first elec…
View article: Letter of Intent: Muonium R&D/Physics Program at the MTA
Letter of Intent: Muonium R&D/Physics Program at the MTA Open
With the planned turn-on of the PIP-II 800 MeV superconducting proton linac, Fermilab will potentially become the world's best laboratory at which to carry out fundamental muon measurements, sensitive searches for symmetry violation, and p…
View article: Inelastic Mach-Zehnder Interferometry with Free Electrons
Inelastic Mach-Zehnder Interferometry with Free Electrons Open
We use a novel scanning electron Mach-Zehnder interferometer constructed in a conventional transmission electron microscope to perform inelastic interferometric imaging with free electrons. An electron wave function is prepared in two path…
View article: Discretized evolution of solitons in the achiral stripe phase of a Fe/Gd thin film
Discretized evolution of solitons in the achiral stripe phase of a Fe/Gd thin film Open
Understanding magnetic phase transitions from stripe to skyrmion textures provide fundamental scientific insights into the details of the intermediate topologies through which the system evolves. The solitonic nature of spin texture in bot…
View article: Scanning two-grating free electron Mach-Zehnder interferometer
Scanning two-grating free electron Mach-Zehnder interferometer Open
We demonstrate a two-grating free electron Mach-Zehnder interferometer constructed in a transmission electron microscope. A symmetric binary phase grating and a condenser lens system form two spatially separated, focused probes at the samp…
View article: Interaction-Free Measurement with Electrons
Interaction-Free Measurement with Electrons Open
Here, we experimentally demonstrate interaction-free measurements with electrons using a novel electron Mach-Zehnder interferometer. The flexible two-grating electron interferometer is constructed in a conventional transmission electron mi…
View article: 2-Grating Inelastic Free Electron Interferometry
2-Grating Inelastic Free Electron Interferometry Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Optimized Amplitude-Dividing Beam Splitter Gratings for 4D STEM Holography
Optimized Amplitude-Dividing Beam Splitter Gratings for 4D STEM Holography Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: 3D Morphology of Magnetic Bubbles in Layered Ferromagnetic Materials
3D Morphology of Magnetic Bubbles in Layered Ferromagnetic Materials Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: A flexible electron interferometer demonstrating live phase imaging and interaction-free measurements
A flexible electron interferometer demonstrating live phase imaging and interaction-free measurements Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: A Scanning 2-Grating Free Electron Mach-Zehnder Interferometer
A Scanning 2-Grating Free Electron Mach-Zehnder Interferometer Open
We demonstrate a 2-grating free electron Mach-Zehnder interferometer constructed in a transmission electron microscope. A symmetric binary phase grating and condenser lens system forms two spatially separated, focused probes at the sample …
View article: Material Sputtering with a Multi‐Ion Species Plasma Focused Ion Beam
Material Sputtering with a Multi‐Ion Species Plasma Focused Ion Beam Open
Focused ion beams are an essential tool for cross‐sectional material analysis at the microscale, preparing TEM samples, and much more. New plasma ion sources allow for higher beam currents and options to use unconventional ion species, res…
View article: Magnetic Phase Imaging Using Interferometric STEM
Magnetic Phase Imaging Using Interferometric STEM Open
Several TEM imaging modes can be employed to measure nanoscale magnetic fields.Off-axis electron holography can measure magnetic phase shifts relative to a vacuum reference, and Lorentz TEM and differential phase contrast (DPC) microscopy …
View article: Interaction-free Interferometry with Electrons
Interaction-free Interferometry with Electrons Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Corrected Off-axis Diffraction Holograms for Electrons
Corrected Off-axis Diffraction Holograms for Electrons Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Exact design of complex amplitude holograms for producing arbitrary scalar fields
Exact design of complex amplitude holograms for producing arbitrary scalar fields Open
Typical methods to holographically encode arbitrary wavefronts assume the hologram medium only applies either phase shifts or amplitude attenuation to the wavefront. In many cases, phase cannot be introduced to the wavefront without also a…
View article: Improved control of electron computer-generated holographic grating groove profiles using ion beam gas-assisted etching
Improved control of electron computer-generated holographic grating groove profiles using ion beam gas-assisted etching Open
In a transmission electron microscope, electrons are described by matter-waves with wavelengths five orders of magnitude smaller than optical electromagnetic waves. Analogous to optical holography, electron wavefronts can be shaped using n…
View article: Feasibility of an Electron Orbital Angular Momentum Sorter
Feasibility of an Electron Orbital Angular Momentum Sorter Open
Whenever an electron interacts with matter, a range of information about the matter is encoded into the various degrees of freedom of the electron.Recently, free electrons with orbital angular momentum -or electron vortices -have been demo…
View article: Seeing with Phase: Interferometric Electron Microscopy for Magnetic Materials and Biological Specimens
Seeing with Phase: Interferometric Electron Microscopy for Magnetic Materials and Biological Specimens Open
Advances in imaging solid state materials at the nanoscale can lead to advances in imaging biological materials, and vice versa.For example, methods used to study biological materials in cryoEM are quite similar to methods developed for th…
View article: Single Electron Interferometry: A Step Toward Quantum Electron Microscopy
Single Electron Interferometry: A Step Toward Quantum Electron Microscopy Open
Journal Article Single Electron Interferometry: A Step Toward Quantum Electron Microscopy Get access Amy Turner, Amy Turner Department of Physics, University of Oregon, Eugene, Oregon, 97403, USA Corresponding author: [email protected] …