Search Results - "Zewail, Ahmed H"

Four-Dimensional Electron Microscopy by Zewail, Ahmed H.

“…The discovery of the electron over a century ago and the realization of its dual character have given birth to one of the two most powerful imaging…”
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4D ultrafast electron diffraction, crystallography, and microscopy by Zewail, Ahmed H

“…In this review, we highlight the progress made in the development of 4D ultrafast electron diffraction (UED), crystallography (UEC), and microscopy (UEM) with…”
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Photon-induced near-field electron microscopy by Zewail, Ahmed H, Barwick, Brett, Flannigan, David J

“…In materials science and biology, optical near-field microscopies enable spatial resolutions beyond the diffraction limit, but they cannot provide the…”
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Photon-induced near-field electron microscopy (PINEM): theoretical and experimental by Park, Sang Tae, Lin, Milo, Zewail, Ahmed H

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Electron and X-Ray Methods of Ultrafast Structural Dynamics: Advances and Applications by Chergui, Majed, Zewail, Ahmed H.

“…In this contribution, we highlight the state of the art in the determination of structures with ultrafast electrons and X‐rays. We provide our perspectives and…”
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Attosecond electron pulses for 4D diffraction and microscopy by Baum, Peter, Zewail, Ahmed H

“…In this contribution, we consider the advancement of ultrafast electron diffraction and microscopy to cover the attosecond time domain. The concept is centered…”
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4D Visualization of Transitional Structures in Phase Transformations by Electron Diffraction by Baum, Peter, Yang, Ding-Shyue, Zewail, Ahmed H

“…Complex systems in condensed phases involve a multidimensional energy landscape, and knowledge of transitional structures and separation of time scales for…”
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Photo-excited hot carrier dynamics in hydrogenated amorphous silicon imaged by 4D electron microscopy by Liao, Bolin, Najafi, Ebrahim, Li, Heng, Minnich, Austin J., Zewail, Ahmed H.

“…Scanning ultrafast electron microscopy provides new insights into hot carrier dynamics in amorphous semiconductors. Charge carrier dynamics in amorphous…”
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Breaking Resolution Limits in Ultrafast Electron Diffraction and Microscopy by Baum, Peter, Zewail, Ahmed H.

“…Ultrafast electron microscopy and diffraction are powerful techniques for the study of the time-resolved structures of molecules, materials, and biological…”
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Single-nanoparticle phase transitions visualized by four-dimensional electron microscopy by van der Veen, Renske M., Kwon, Oh-Hoon, Tissot, Antoine, Hauser, Andreas, Zewail, Ahmed H.

“…The advancement of techniques that can probe the behaviour of individual nanoscopic objects is of paramount importance in various disciplines, including…”
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Scanning ultrafast electron microscopy by Yang, Ding-Shyue, Mohammed, Omar F, Zewail, Ahmed H

“…Progress has been made in the development of four-dimensional ultrafast electron microscopy, which enables space-time imaging of structural dynamics in the…”
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Femtochemistry:  Atomic-Scale Dynamics of the Chemical Bond by Zewail, Ahmed H

“…This anthology, which is adapted from the Nobel Lecture, gives an overview of the field of Femtochemistry from a personal perspective, encompassing our…”
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Rippling ultrafast dynamics of suspended 2D monolayers, graphene by Hu, Jianbo, Vanacore, Giovanni M., Cepellotti, Andrea, Marzari, Nicola, Zewail, Ahmed H.

“…Here, using ultrafast electron crystallography (UEC), we report the observation of rippling dynamics in suspended monolayer graphene, the prototypical and…”
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4D Imaging of Transient Structures and Morphologies in Ultrafast Electron Microscopy by Barwick, Brett, Park, Hyun Soon, Kwon, Oh-Hoon, Baskin, J. Spencer, Zewail, Ahmed H

“…With advances in spatial resolution reaching the atomic scale, two-dimensional (2D) and 3D imaging in electron microscopy has become an essential methodology…”
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Visualization of carrier dynamics in p(n)-type GaAs by scanning ultrafast electron microscopy by Cho, Jongweon, Hwang, Taek Yong, Zewail, Ahmed H.

“…Four-dimensional scanning ultrafast electron microscopy is used to investigate doping- and carrier-concentration-dependent ultrafast carrier dynamics of the in…”
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Observing liquid flow in nanotubes by 4D electron microscopy by Lorenz, Ulrich J., Zewail, Ahmed H.

“…Nanofluidics involves the study of fluid transport in nanometer-scale structures. We report the direct observation of fluid dynamics in a single zinc oxide…”
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Infrared PINEM developed by diffraction in 4D UEM by Liu, Haihua, Baskin, John Spencer, Zewail, Ahmed H.

“…The development of four-dimensional ultrafast electron microscopy (4D UEM) has enabled not only observations of the ultrafast dynamics of photon–matter…”
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Dynamics of Chemical Bonding Mapped by Energy-Resolved 4D Electron Microscopy by Carbone, Fabrizio, Kwon, Oh-Hoon, Zewail, Ahmed H

“…Chemical bonding dynamics are fundamental to the understanding of properties and behavior of materials and molecules. Here, we demonstrate the potential of…”
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Dynamics of Water in Biological Recognition by Pal, Samir Kumar, Zewail, Ahmed H

“…Almost all biological macromolecules are inactive in the absence of water. Hydration of a protein/enzyme is particularly important for the stability of the…”
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4D Electron Tomography by Kwon, Oh-Hoon, Zewail, Ahmed H

“…Electron tomography provides three-dimensional (3D) imaging of noncrystalline and crystalline equilibrium structures, as well as elemental volume composition,…”
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