Search Results - "Tavabi, Amir H"

Experimental Demonstration of an Electrostatic Orbital Angular Momentum Sorter for Electron Beams by Tavabi, Amir H, Rosi, Paolo, Rotunno, Enzo, Roncaglia, Alberto, Belsito, Luca, Frabboni, Stefano, Pozzi, Giulio, Gazzadi, Gian Carlo, Lu, Peng-Han, Nijland, Robert, Ghosh, Moumita, Tiemeijer, Peter, Karimi, Ebrahim, Dunin-Borkowski, Rafal E, Grillo, Vincenzo

“…The component of orbital angular momentum (OAM) in the propagation direction is one of the fundamental quantities of an electron wave function that describes…”
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Measuring the orbital angular momentum spectrum of an electron beam by Grillo, Vincenzo, Tavabi, Amir H., Venturi, Federico, Larocque, Hugo, Balboni, Roberto, Gazzadi, Gian Carlo, Frabboni, Stefano, Lu, Peng-Han, Mafakheri, Erfan, Bouchard, Frédéric, Dunin-Borkowski, Rafal E., Boyd, Robert W., Lavery, Martin P. J., Padgett, Miles J., Karimi, Ebrahim

“…Electron waves that carry orbital angular momentum (OAM) are characterized by a quantized and unbounded magnetic dipole moment parallel to their propagation…”
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Atomic scale imaging of magnetic circular dichroism by achromatic electron microscopy by Wang, Zechao, Tavabi, Amir H., Jin, Lei, Rusz, Ján, Tyutyunnikov, Dmitry, Jiang, Hanbo, Moritomo, Yutaka, Mayer, Joachim, Dunin-Borkowski, Rafal E., Yu, Rong, Zhu, Jing, Zhong, Xiaoyan

“…In order to obtain a fundamental understanding of the interplay between charge, spin, orbital and lattice degrees of freedom in magnetic materials and to…”
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Design of electrostatic phase elements for sorting the orbital angular momentum of electrons by Pozzi, Giulio, Grillo, Vincenzo, Lu, Peng-Han, Tavabi, Amir H., Karimi, Ebrahim, Dunin-Borkowski, Rafal E.

“…•Electrostatic OAM sorter is here redesigned in detail.•Problems with non-ideal sorting elements are addressed with new electrodes.•Full simulation of the wave…”
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Observation of nanoscale magnetic fields using twisted electron beams by Grillo, Vincenzo, Harvey, Tyler R., Venturi, Federico, Pierce, Jordan S., Balboni, Roberto, Bouchard, Frédéric, Carlo Gazzadi, Gian, Frabboni, Stefano, Tavabi, Amir H., Li, Zi-An, Dunin-Borkowski, Rafal E., Boyd, Robert W., McMorran, Benjamin J., Karimi, Ebrahim

“…Electron waves give an unprecedented enhancement to the field of microscopy by providing higher resolving power compared to their optical counterpart. Further…”
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Absolute Scale Quantitative Off-Axis Electron Holography at Atomic Resolution by Winkler, Florian, Barthel, Juri, Tavabi, Amir H, Borghardt, Sven, Kardynal, Beata E, Dunin-Borkowski, Rafal E

“…An absolute scale match between experiment and simulation in atomic-resolution off-axis electron holography is demonstrated, with unknown experimental…”
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The Young-Feynman controlled double-slit electron interference experiment by Tavabi, Amir H., Boothroyd, Chris B., Yücelen, Emrah, Frabboni, Stefano, Gazzadi, Gian Carlo, Dunin-Borkowski, Rafal E., Pozzi, Giulio

“…The key features of quantum mechanics are vividly illustrated by the Young-Feynman two-slit thought experiment, whose second part discusses the recording of an…”
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Skyrmionic spin structures in layered Fe5GeTe2 up to room temperature by Schmitt, Maurice, Denneulin, Thibaud, Kovács, András, Saunderson, Tom G., Rüßmann, Philipp, Shahee, Aga, Scholz, Tanja, Tavabi, Amir H., Gradhand, Martin, Mavropoulos, Phivos, Lotsch, Bettina V., Dunin-Borkowski, Rafal E., Mokrousov, Yuriy, Blügel, Stefan, Kläui, Mathias

“…The role of the crystal lattice, temperature and magnetic field for the spin structure formation in the 2D van der Waals magnet Fe 5 GeTe 2 with magnetic…”
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Generation of electron vortex beams using line charges via the electrostatic Aharonov-Bohm effect by Pozzi, Giulio, Lu, Peng-Han, Tavabi, Amir H., Duchamp, Martial, Dunin-Borkowski, Rafal E.

“…•An analogy is presented between the magnetic Aharonov-Bohm effect for a magnetic bar and the electrostatic Aharonov-Bohm effect for two parallel oppositely…”
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Towards a holographic approach to spherical aberration correction in scanning transmission electron microscopy by Grillo, Vincenzo, Tavabi, Amir H, Yucelen, Emrah, Lu, Peng-Han, Venturi, Federico, Larocque, Hugo, Jin, Lei, Savenko, Aleksei, Gazzadi, Gian Carlo, Balboni, Roberto, Frabboni, Stefano, Tiemeijer, Peter, Dunin-Borkowski, Rafal E, Karimi, Ebrahim

“…Recent progress in phase modulation using nanofabricated electron holograms has demonstrated how the phase of an electron beam can be controlled. In this…”
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An in-plane magnetic chiral dichroism approach for measurement of intrinsic magnetic signals using transmitted electrons by Song, Dongsheng, Tavabi, Amir H., Li, Zi-An, Kovács, András, Rusz, Ján, Huang, Wenting, Richter, Gunther, Dunin-Borkowski, Rafal E., Zhu, Jing

“…Electron energy-loss magnetic chiral dichroism is a powerful technique that allows the local magnetic properties of materials to be measured quantitatively…”
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Quantitative measurement of mean inner potential and specimen thickness from high-resolution off-axis electron holograms of ultra-thin layered WSe2 by Winkler, Florian, Tavabi, Amir H., Barthel, Juri, Duchamp, Martial, Yucelen, Emrah, Borghardt, Sven, Kardynal, Beata E., Dunin-Borkowski, Rafal E.

“…The phase and amplitude of the electron wavefunction that has passed through ultra-thin flakes of WSe2 is measured from high-resolution off-axis electron…”
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Magnetic characterization of cobalt nanowires and square nanorings fabricated by focused electron beam induced deposition by Venturi, Federico, Gazzadi, Gian Carlo, Tavabi, Amir H, Rota, Alberto, Dunin-Borkowski, Rafal E, Frabboni, Stefano

“…The magnetic properties of nanowires (NWs) and square nanorings, which were deposited by focused electron beam induced deposition (FEBID) of a Co carbonyl…”
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Microwave synthesis of molybdenene from MoS2 by Sahu, Tumesh Kumar, Kumar, Nishant, Chahal, Sumit, Jana, Rajkumar, Paul, Sumana, Mukherjee, Moumita, Tavabi, Amir H., Datta, Ayan, Dunin-Borkowski, Rafal E., Valov, Ilia, Nayak, Alpana, Kumar, Prashant

“…Dirac materials are characterized by the emergence of massless quasiparticles in their low-energy excitation spectrum that obey the Dirac Hamiltonian. Known…”
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Focused ion beam as a tool for graphene technology: Structural study of processing sequence by electron microscopy by Rius, Gemma, Tavabi, Amir H., Mestres, Narcis, Eryu, Osamu, Tanji, Takayoshi, Yoshimura, Masamichi

“…Electron microscopy (EM) techniques are used to investigate the microstructure of ultrathin carbon layers obtained by focused ion beam induced deposition…”
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Near-real-time diagnosis of electron optical phase aberrations in scanning transmission electron microscopy using an artificial neural network by Bertoni, Giovanni, Rotunno, Enzo, Marsmans, Daan, Tiemeijer, Peter, Tavabi, Amir H., Dunin-Borkowski, Rafal E., Grillo, Vincenzo

“…•We make use of an artificial neural network to measure the low-order aberrations values, such as defocus, astigmatism, coma, and spherical aberration, from a…”
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A sorter for electrons based on magnetic elements by Pozzi, Giulio, Rosi, Paolo, Tavabi, Amir H., Karimi, Ebrahim, Dunin-Borkowski, Rafal E., Grillo, Vincenzo

“…The orbital angular momentum (OAM) sorter is an electron optical device for the measurement of an electron’s OAM. It is based on two phase elements, which are…”
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Tunable Ampere phase plate for low dose imaging of biomolecular complexes by Tavabi, Amir H., Beleggia, Marco, Migunov, Vadim, Savenko, Alexey, Öktem, Ozan, Dunin-Borkowski, Rafal E., Pozzi, Giulio

“…A novel device that can be used as a tunable support-free phase plate for transmission electron microscopy of weakly scattering specimens is described. The…”
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Spherical aberration correction in a scanning transmission electron microscope using a sculpted thin film by Shiloh, Roy, Remez, Roei, Lu, Peng-Han, Jin, Lei, Lereah, Yossi, Tavabi, Amir H., Dunin-Borkowski, Rafal E., Arie, Ady

“…•A thin film spherical aberration corrector is successfully employed.•The Silicon Nitride membrane is used as a refractive optical element.•An elegant and…”
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Corrigendum to “Spherical aberration correction in a scanning transmission electron microscope using a sculpted thin film” [Ultramicroscopy 189 (2018) 46–53] by Shiloh, Roy, Remez, Roei, Lu, Peng-Han, Jin, Lei, Lereah, Yossi, Tavabi, Amir H., Dunin-Borkowski, Rafal E., Arie, Ady

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