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Related papers: Contacting individual Fe(110) dots in a single ele…

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Progress in electron-beam spectroscopies has recently enabled the study of optical excitations with combined space, energy and time resolution in the nanometer, millielectronvolt and femtosecond domain, thus providing unique access into…

Optics · Physics 2019-11-13 Albert Polman , Mathieu Kociak , F. Javier García de Abajo

Localized particle-like spin textures have been found to exhibit emergent electromagnetic properties, which hold promise for the development of intriguing spintronic devices. Among these textures, magnetic bubbles represent localized spin…

Here, by making use of medium and high resolution autocorrected off-axis electron holography, we directly probe the electrostatic potential as well as in-plane and out-of-plane charge delocalization at edges and steps in multilayer…

X-ray photoelectron emission microscopy in combination with x-ray magnetic circular dichroism is used to investigate the influence of an applied magnetic field on N\'eel caps (i.e., surface terminations of asymmetric Bloch walls).…

Direct electron detectors in scanning transmission electron microscopy give unprecedented possibilities for structure analysis at the nanoscale. In electronic and quantum materials, this new capability gives access to, for example, emergent…

Three-dimensional (3D) nanomagnetism is a rapidly developing field within magnetic materials research, where exploiting the third dimension unlocks opportunities for innovative applications in areas such as sensing, data storage, and…

Mesoscale and Nanoscale Physics · Physics 2025-06-18 Sabri Koraltan , Fabrizio Porrati , Robert Kraft , Sven Barth , Markus Weigand , Claas Abert , Dieter Suess , Michael Huth , Sebastian Wintz

Moving towards significantly smaller nanostructures, direct structuring techniques such as electron beam lithography approach fundamental limitations in feature size and aspect ratios. Application of nanostructures like diffractive X-ray…

Three-dimensional topological textures have become a topic of intense interest in recent years. Through analytical calculations, this work determines the magnetostatic field produced by a Bloch Point (BP) singularity confined in a magnetic…

The directed self-assembly of colloidal nanoparticles (NPs) using external fields guides the formation of sophisticated hierarchical materials but becomes less effective with decreasing particle size. As an alternative, electron-beam-driven…

Soft Condensed Matter · Physics 2024-09-13 Jonathan G. Raybin , Ethan J. Dunsworth , Veronica Guo , Naomi S. Ginsberg

We report on the fabrication of nanocontacts by indentation of an ultrathin insulating photoresist layer deposited on various types of conductive structures. A modified atomic force microscope (AFM) designed for local resistance…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 K. Bouzehouane , S. Fusil , M. Bibes , J. Carrey , T. Blon , P. Seneor , V. Cros , L. Vila

We report a new template electroplating method for fabricating reversible atomic contacts between a single nanowire and a macroscopic contact pad. In comparison to typical template methods using a standing-alone anode, we directly evaporate…

Materials Science · Physics 2007-05-23 Zuxin Ye , Wenhao Wu

Transport measurements are powerful tools to probe electronic properties of solid-state materials. To access properties of local electronic states in nanostructures, such as local density of states, electronic distribution and so on,…

Methods for characterisation of 3D magnetic spin structures are necessary to advance the performance of 3D magnetic nanoscale technologies. However, as the component dimensions approach the nanometre range, it becomes more challenging to…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 Aurys Silinga , András Kovács , Stephen McVitie , Rafal E. Dunin-Borkowski , Kayla Fallon , Trevor P. Almeida

Manipulation of the spin-states of a quantum dot by purely electrical means is a highly desirable property of fundamental importance for the development of spintronic devices such as spin-filters, spin-transistors and single-spin memory as…

Mesoscale and Nanoscale Physics · Physics 2008-10-20 J. R. Hauptmann , J. Paaske , P. E. Lindelof

We present detailed investigations of the magnetic properties of an Fe monolayer on W and Ta (110) surfaces based on the ab initio screened Korringa-Kohn-Rostoker method. By calculating tensorial exchange coupling coefficients, the ground…

Strongly Correlated Electrons · Physics 2015-05-01 Levente Rózsa , László Udvardi , László Szunyogh , István A. Szabó

Electron microscopes have been improved to achieve ever smaller beam spots, a key parameter that determines the instrument's resolution. The techniques to measure the size of the beam, however, have not progressed to the same degree. There…

Applied Physics · Physics 2019-07-24 Matthew Zotta , Sharadh Jois , Prathamesh Dhakras , Miguel Rodriguez , Ji Ung Lee

Electron beams can acquire designed phase modulations by passing through nanostructured material phase plates. These phase modulations enable electron wavefront shaping and benefit electron microscopy, spectroscopy, lithography, and…

Applied Physics · Physics 2020-07-07 Yujia Yang , Chung-Soo Kim , Richard G. Hobbs , Phillip D. Keathley , Karl K. Berggren

In using the fully relativistic versions of the Embedded Cluster and Screened Korringa-Kohn-Rostoker methods for semi-infinite systems the magnetic properties of single adatoms of Fe and Co on Ir(111) and Pt(111) are studied. It is found…

Materials Science · Physics 2009-11-13 C. Etz , J. Zabloudil , P. Weinberger , E. Y. Vedmedenko

Ensemble-averaged exchange bias in arrays of Fe/FeF2 nanodots has been deconvoluted into local, microscopic, bias separately experienced by nanodots going through different reversal modes. The relative fraction of dots in each mode can be…

Materials Science · Physics 2012-10-16 Randy K. Dumas , Chang-Peng Li , Igor V. Roshchin , Ivan K. Schuller , Kai Liu

The investigation of the magnetic phase transitions in the parent compounds of Fe-based superconductors is regarded essential for an understanding of the pairing mechanism in the related superconducting compounds. Even though the chemical…

Superconductivity · Physics 2017-12-01 Jonas Warmuth , Martin Bremholm , Philip Hofmann , Jens Wiebe , Roland Wiesendanger