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  • Selected Research Articles
  • X. Fu, B. Chen, J. Tang, M. T. Hassan, and A. H. Zewail. Imaging Rotational Dynamics of Nanoparticles in Liquid by 4D Electron Microscopy, Science 355, 494 (2017) [Free Reprint].

    J. Hu, G. M. Vanacore, A. Cepellotti, N. Marzari, and A. H. Zewail. Rippling Ultrafast Dynamics of Suspended 2D Monolayers, Graphene, Proc. Natl. Acad. Sci. USA 113, E6555 (2016).

    D.-S. Yang, P. Baum, and A. H. Zewail. Ultrafast Electron Crystallography of the Cooperative Reaction Path in Vanadium Dioxide, Struct. Dyn 3, 034304 (2016).

    H. Liu, J. S. Baskin, and A. H. Zewail. Infrared PINEM Developed by Diffraction in 4D UEM, Proc. Natl. Acad. Sci. USA 113, 2041 (2016).

    B.-K. Yoo, Z. Su, J. M. Thomas, and A. H. Zewail. On the Dynamical Nature of the Active Center in a Single-Site Photocatalyst Visualized by 4D Ultrafast Electron Microscopy, Proc. Natl. Acad. Sci. USA 113, 503 (2016).

    J. Hu, G. M. Vanacore, Z. Yang, X. Miao, and A. H. Zewail. Transient Structures and Possible Limits of Data Recording in Phase-Change Materials, ACS Nano 9, 6728 (2015).

    B.-K. Yoo, O.-H. Kwon, H. Liu, J. Tang, and A. H. Zewail. Observing in Space and Time the Ephemeral Nucleation of Liquid-to-Crystal Phase Transitions, Nature Commun. 6, 8639 (2015).

    M. T. Hassan, H. Liu, J. S. Baskin, and A. H. Zewail. Photon Gating in 4D Electron Microscopy, Proc. Natl. Acad. Sci. USA 112, 12944 (2015).

    A. W. P. Fitzpatrick, G. M. Vanacore, and A. H. Zewail. Nanomechanics and Intermolecular Forces of Amyloid Revealed by Four-Dimensional Electron Microscopy, Proc. Natl. Acad. Sci. USA 112, 3380 (2015).

    R. M. van der Veen, T. J. Penfold, and A. H. Zewail. Ultrafast Core-Loss Spectroscopy in Four-Dimensional Electron Microscopy, Struct. Dyn. 2, 024302 (2015).

    G. M. Vanacore, R. M. van der Veen, and A. H. Zewail. Origin of Axial and Radial Expansions in Carbon Nanotubes Revealed by Ultrafast Diffraction and Spectroscopy, ACS Nano 9, 1721 (2015).

    E. Najafi, T. D. Scarborough, J. Tang, and A. H. Zewail. Four-Dimensional Imaging of Carrier Interface Dynamics in p-n Junctions, Science 347, 164 (2015).

    G. M. Vanacore, J. Hu, W. Liang, S. Bietti, S. Sanguinetti, and A. H. Zewail. Diffraction of Quantum Dots Reveals Nanoscale Ultrafast Energy Localization, Nano Lett. 14, 6148 (2014).

    D. A. Plemmons, S. T. Park, A. H. Zewail, and D. J. Flannigan. Characterization of Fast Photoelectron Packets in Weak and Strong Laser Fields in Ultrafast Electron Microscopy, Ultramicroscopy 146, 97 (2014).

    M. M. Lin, D. Shorokhov, and A. H. Zewail. Dominance of Misfolded Intermediates in the Dynamics of α-Helix Folding, Proc. Natl. Acad. Sci. USA 111, 14424 (2014).

    J. S. Baskin, H. Liu, and A. H. Zewail. 4D Multiple-Cathode Ultrafast Electron Microscopy, Proc. Natl. Acad. Sci. USA 111, 10479 (2014).

    U. J. Lorenz and A. H. Zewail. Observing Liquid Flow in Nanotubes by 4D Electron Microscopy, Science 344, 1496 (2014).

    W. Liang, G. M. Vanacore, and A. H. Zewail. Observing (Non)linear Lattice Dynamics in Graphite by Ultrafast Kikuchi Diffraction, Proc. Natl. Acad. Sci. USA 111, 5491 (2014).

    S. T. Park and A. H. Zewail. Photon-Induced Near-Field Electron Microscopy: Mathematical Formulation of the Relation between the Experimental Observables and the Optically Driven Charge Density of Nanoparticles, Phys. Rev. A 89, 013851 (2014).

    M. E. Corrales, V. Loriot, G. Balerdi, J. González-Vázquez, R. de Nalda, Luis Bañares, and A. H. Zewail. Structural Dynamics Effects on the Ultrafast Chemical Bond Cleavage of a Photodissociation Reaction, Phys. Chem. Chem. Phys. 16, 8812 (2014).

    H. Liu, O.-H. Kwon, J. Tang, and A. H. Zewail. 4D Imaging and Diffraction Dynamics of Single-Particle Phase Transition in Heterogeneous Ensembles, Nano Lett. 14, 946 (2014).

    J. Cho, T. Y. Hwang, and A. H. Zewail. Visualization of Carrier Dynamics in p(n)-Type GaAs by Scanning Ultrafast Electron Microscopy, Proc. Natl. Acad. Sci. USA 111, 2094 (2014).

    A. W. P. Fitzpatrick, U. J. Lorenz, G. M. Vanacore, and A. H. Zewail. 4D Cryo-Electron Microscopy of Proteins, J. Am. Chem. Soc. 135, 19123 (2013).

    A. W. P. Fitzpatrick, S. T. Park and A. H. Zewail. Exceptional Rigidity and Biomechanics of Amyloid Revealed by 4D Electron Microscopy, Proc. Natl. Acad. Sci. USA 110, 10976 (2013).

    S. T. Park, A. Yurtsever, J. S. Baskin and A. H. Zewail. Graphene-Layered Steps and Their Fields Visualized by 4D Electron Microscopy, Proc. Natl. Acad. Sci. USA 110, 9277 (2013).

    R. M. van der Veen, A. Tissot, A. Hauser and A. H. Zewail. Unusual Molecular Material Formed through Irreversible Transformation and Revealed by 4D Electron Microscopy, Phys. Chem. Chem. Phys. 15, 7831 (2013).

    R. M. van der Veen, O.-H. Kwon, A. Tissot, A. Hauser and A. H. Zewail. Single-Nanoparticle Phase Transitions Visualized by 4D Electron Microscopy, Nature Chem. 5, 395 (2013).

    U. J. Lorenz and A. H. Zewail. Biomechanics of DNA Structures Visualized by 4D Electron Microscopy, Proc. Natl. Acad. Sci. USA 110, 2822 (2013).

    D.-S. Yang, O. F. Mohammed and A. H. Zewail. Environmental Scanning Ultrafast Electron Microscopy: Structural Dynamics of Solvation at Interfaces, Angew. Chem., Int. Ed. Engl. 52, 2897 (2013).

    M. M. Lin and A. H. Zewail. Protein Folding: Simplicity in Complexity, Ann. Phys. 524, 379 (2012).

    A. Yurtsever, J. S. Baskin and A. H. Zewail. Entangled Nanoparticles: Discovery by Visualization in 4D Electron Microscopy, Nano Lett. 12, 5027 (2012).

    S. T. Park and A. H. Zewail. Relativistic Effects in Photon-Induced Near Field Electron Microscopy, J. Phys. Chem. A 116, 11128 (2012).

    D. J. Flannigan and A. H. Zewail. 4D Electron Microscopy: Principles and Applications, Acc. Chem. Res. 45, 1828 (2012).

    M. M. Lin and A. H. Zewail. Hydrophobic Forces and the Length Limit of Foldable Protein Domains, Proc. Natl. Acad. Sci. USA 109, 9851 (2012).

    A. Yurtsever, S. Schäfer and A. H. Zewail. Ultrafast Kikuchi Diffraction: Nanoscale Stress-Strain Dynamics of Wave-Guiding Structures, Nano Lett. 12, 3772 (2012).

    A. Yurtsever and A. H. Zewail. Direct Visualization of Near-Fields in Nanoplasmonics and Nanophotonics, Nano Lett. 12, 3334 (2012).

    W. Liang, S. Schäfer and A. H. Zewail. Ultrafast Electron Crystallography of Heterogeneous Structures: Gold-Graphene Bilayer and Ligand-Encapsulated Nanogold on Graphene, Chem. Phys. Lett. 542, 8 (2012).

    W. Liang, S. Schäfer and A. H. Zewail. Ultrafast Electron Crystallography of Monolayer Adsorbates on Clean Surfaces: Structural Dynamics, Chem. Phys. Lett. 542, 1 (2012).

    S. T. Park, D. J. Flannigan and A. H. Zewail. 4D Electron Microscopy Visualization of Anisotropic Atomic Motions in Carbon Nanotubes, J. Am. Chem. Soc. 134, 9146 (2012).

    S. T. Park, O.-H. Kwon and A. H. Zewail. Chirped Imaging Pulses in Four-Dimensional Electron Microscopy: Femtosecond Pulsed Hole Burning, New J. Phys. 14, 053046 (2012).

    A. Yurtsever, R. M. van der Veen and A. H. Zewail. Subparticle Ultrafast Spectrum Imaging in 4D Electron Microscopy, Science 335, 59 (2012).

    S. T. Park and A. H. Zewail. Enhancing Image Contrast and Slicing Electron Pulses in 4D Near-Field Electron Microscopy, Chem. Phys. Lett. 521, 1 (2012).

    S. Schäfer, W. Liang and A. H. Zewail. Structural Dynamics of Surfaces by Ultrafast Electron Crystallography: Experimental and Multiple Scattering Theory, J. Chem. Phys. 135, 214201 (2011).

    S. Schäfer, W. Liang and A. H. Zewail. Structural Dynamics of Nanoscale Gold by Ultrafast Electron Crystallography, Chem. Phys. Lett. 515, 278 (2011).

    M. M. Lin, O. F. Mohammed, G. S. Jas and A. H. Zewail. Speed Limit of Protein Folding Evidenced in Secondary Structure, Proc. Natl. Acad. Sci. USA 108, 16622 (2011).

    I-R. Lee, A. Gahlmann and A. H. Zewail. Structural Dynamics of Free Amino Acids in Diffraction., Angew. Chem., Int. Ed. Engl. 51, 99 (2012).

    M. M. Lin, D. Shorokhov and A. H. Zewail. Structural Dynamics of Free Proteins in Diffraction, J. Am. Chem. Soc. 133, 17072 (2011).

    D. Zhong, S. K. Pal and A. H. Zewail. Biological Water: A Critique, Chem. Phys. Lett. 503, 1 (2011).

    V. Ortalan and A. H. Zewail. 4D Scanning Transmission Ultrafast Electron Microscopy: Single-Particle Imaging and Spectroscopy, J. Am. Chem. Soc. 133, 10732 (2011).

    O. F. Mohammed, D.-S. Yang, S. K. Pal and A. H. Zewail. 4D Scanning Ultrafast Electron Microscopy: Visualization of Materials Surface Dynamics, J. Am. Chem. Soc. 133, 7708 (2011).

    S. Schäfer, W. Liang and A. H. Zewail. Primary Structural Dynamics in Graphite, New J. Phys. 13, 063030 (2011).

    J. S. Baskin, H. S. Park and A. H. Zewail. Nanomusical Systems Visualized and Controlled in 4D Electron Microscopy, Nano Lett. 11, 2183 (2011).

    O.-H. Kwon, V. Ortalan and A. H. Zewail. Macromolecular Structural Dynamics Visualized by Pulsed Dose Control in 4D Electron Microscopy, Proc. Natl. Acad. Sci. USA 108, 6026 (2011).

    S. T. Park, D. J. Flannigan and A. H. Zewail. Irreversible Chemical Reactions Visualized in Space and Time with 4D Electron Microscopy, J. Am. Chem. Soc. 133, 1730 (2011).

    A. Yurtsever and A. H. Zewail. Kikuchi Ultrafast Nanodiffraction in Four-Dimensional Electron Microscopy, Proc. Natl. Acad. Sci. USA 108, 3152 (2011).

    S. T. Park, M. M. Lin and A. H. Zewail. Photon-Induced Near-Field Electron Microscopy (PINEM): Theoretical and Experimental, New J. Phys. 12, 123028 (2010).

    D. J. Flannigan, S. T. Park and A. H. Zewail. Nanofriction Visualized in Space and Time by 4D Electron Microscopy, Nano Lett. 10, 4767 (2010).

    H. S. Park, J. S. Baskin and A. H. Zewail. 4D Lorentz Electron Microscopy Imaging: Magnetic Domain Wall Nucleation, Reversal, and Wave Velocity, Nano Lett. 10, 3796 (2010).

    O.-H. Kwon, T. H. Yoo, C. M. Othon, J. A. Van Deventer, D. A. Tirrell and A. H. Zewail. Hydration Dynamics at Fluorinated Protein Surfaces, Proc. Natl. Acad. Sci. USA 107, 17101 (2010).

    D.-S. Yang, O. F. Mohammed and A. H. Zewail. Scanning Ultrafast Electron Microscopy, Proc. Natl. Acad. Sci. USA 107, 14993 (2010).

    A. Gahlmann, I-R. Lee and A. H. Zewail. Direct Structural Determination of Conformations of Photoswitchable Molecules by Laser Desorption — Electron Diffraction, Angew. Chem., Int. Ed. Engl. 49, 6524 (2010).

    O.-H. Kwon, H. S. Park, J. S. Baskin and A. H. Zewail. Nonchaotic Nonlinear Motion Visualized in Complex Nanostructures by Stereographic 4D Electron Microscopy, Nano Lett. 10, 3190 (2010).

    O.-H. Kwon and A. H. Zewail. 4D Electron Tomography, Science 328, 1668 (2010).

    D. J. Flannigan, B. Barwick and A. H. Zewail. Biological Imaging with 4D Ultrafast Electron Microscopy, Proc. Natl. Acad. Sci. USA 107, 9933 (2010).

    S. Schäfer, W. Liang and A. H. Zewail. Structural Dynamics and Transient Electric-Field Effects in Ultrafast Electron Diffraction from Surfaces, Chem. Phys. Lett. 493, 11 (2010).

    D. J. Flannigan and A. H. Zewail. Optomechanical and Crystallization Phenomena Visualized with 4D Electron Microscopy: Interfacial Carbon Nanotubes on Silicon Nitride, Nano Lett. 10, 1892 (2010).

    F. Carbone, N. Gedik, J. Lorenzana and A. H. Zewail. Real-Time Observation of Cuprates Structural Dynamics by Ultrafast Electron Crystallography, Adv. Cond. Mat. Phys. 2010, 958618 (2010).

    P. Baum and A. H. Zewail. 4D Attosecond Imaging with Free Electrons: Diffraction Methods and Potential Applications, Chem. Phys. 366, 2 (2009).

    D. Shorokhov and A. H. Zewail. New Light on Molecular and Materials Complexity: 4D Electron Imaging, J. Am. Chem. Soc. 131, 17998 (2009).

    B. Barwick, D. J. Flannigan and A. H. Zewail. Photon-Induced Near-Field Electron Microscopy, Nature 462, 902 (2009).

    A. Yurtsever and A. H. Zewail. 4D Nanoscale Diffraction Observed by Convergent-Beam Ultrafast Electron Microscopy, Science 326, 708 (2009).

    H. S. Park, O.-H. Kwon, J. S. Baskin, B. Barwick and A. H. Zewail. Direct Observation of Martensitic Phase-Transformation Dynamics in Iron by 4D Single-Pulse Electron Microscopy, Nano Lett. 9, 3954 (2009).

    O. F. Mohammed, P. C. Samartzis and A. H. Zewail. Heating and Cooling Dynamics of Carbon Nanotubes Observed by Temperature-Jump Spectroscopy and Electron Microscopy, J. Am. Chem. Soc. 131, 16010 (2009).

    M. M. Lin, D. Shorokhov and A. H. Zewail. Structural Ultrafast Dynamics of Macromolecules: Diffraction of Free DNA and Effect of Hydration, Phys. Chem. Chem. Phys. 11, 10619 (2009).

    S. A. Hilbert, C. Uiterwaal, B. Barwick, H. Batelaan and A. H. Zewail. Temporal Lenses for Attosecond and Femtosecond Electron Pulses, Proc. Natl. Acad. Sci. USA 106, 10558 (2009).

    F. Carbone, O.-H. Kwon and A. H. Zewail. Dynamics of Chemical Bonding Mapped by Energy-Resolved 4D Electron Microscopy, Science 325, 181 (2009).

    O. F. Mohammed, G. S. Jas, M. M. Lin and A. H. Zewail. Primary Peptide Folding Dynamics Observed with Ultrafast Temperature Jump, Angew. Chem., Int. Ed. Engl. 48, 5628 (2009).

    D. J. Flannigan, P. C. Samartzis, A. Yurtsever and A. H. Zewail. Nanomechanical Motions of Cantilevers: Direct Imaging in Real Space and Time with 4D Electron Microscopy, Nano Lett. 9, 875 (2009).

    Physical Biology: From Atoms to Medicine, ed. A. H. Zewail, Imperial College Press, London (2008).

    O.-H. Kwon, B. Barwick, H. S. Park, J. S. Baskin and A. H. Zewail. Nanoscale Mechanical Drumming Visualized by 4D Electron Microscopy, Nano Lett. 8, 3557 (2008).

    B. Barwick, H. S. Park, O.-H. Kwon, J. S. Baskin and A. H. Zewail. 4D Imaging of Transient Structures and Morphologies in Ultrafast Electron Microscopy, Science 322, 1227 (2008).

    D.-S. Yang, C. Lao and A. H. Zewail. 4D Electron Diffraction Reveals Correlated Unidirectional Behavior in Zinc Oxide Nanowires, Science 321, 1660 (2008).

    O.-H. Kwon, B. Barwick, H. S. Park, J. S. Baskin and A. H. Zewail. 4D Visualization of Embryonic, Structural Crystallization by Single-Pulse Microscopy, Proc. Natl. Acad. Sci. USA 105, 8519 (2008).

    M. M. Lin, L. Meinhold, D. Shorokhov and A. H. Zewail. Unfolding and Melting of DNA (RNA) Hairpins: The Concept of Structure-Specific 2D Dynamic Landscapes, Phys. Chem. Chem. Phys. 10, 4227 (2008).

    F. Carbone, P. Baum, P. Rudolf and A. H. Zewail. Structural Preablation Dynamics of Graphite Observed by Ultrafast Electron Crystallography, Phys. Rev. Lett. 100, 035501 (2008).

    H. Ma, C. Wan, A. Wu and A. H. Zewail. DNA Folding and Melting in Real Time: Observed Collapsed Structures Redefine the Energy Landscape, Proc. Natl. Acad. Sci. USA 104, 712 (2007).

    O.-H. Kwon and A. H. Zewail. Double Proton Transfer Dynamics of Model DNA Base Pairs in the Condensed Phase, Proc. Natl. Acad. Sci. USA 104, 8703 (2007).

    J. Tang, D.-S. Yang and A. H. Zewail. Ultrafast Electron Crystallography. 3. Theoretical Modeling of Structural Dynamics, J. Phys. Chem. C 111, 8957 (2007).

    H. S. Park, J. S. Baskin, O.-H. Kwon and A. H. Zewail. Atomic-Scale Imaging in Real and Energy Space Developed in Ultrafast Electron Microscopy, Nano Lett. 7, 2545 (2007).

    N. Gedik, D.-S. Yang, G. Logvenov, I. Bozovic and A. H. Zewail. Nonequilibrium Phase Transitions in Cuprates Observed by Ultrafast Electron Crystallography, Science 316, 425 (2007).

    P. Baum, D.-S. Yang and A. H. Zewail. 4D Visualization of Transitional Structures in Phase Transformations by Electron Diffraction, Science 318, 788 (2007).

    A. H. Zewail. 4D Ultrafast Electron Diffraction, Crystallography, and Microscopy, Annu. Rev. Phys. Chem. 57, 65 (2006).

    J. S. Baskin and A. H. Zewail. Oriented Ensembles in Ultrafast Electron Diffraction, Chem. Phys. Chem. 7, 1562 (2006).

    M. S. Grinolds, V. A. Lobastov, J. Weissenrieder and A. H. Zewail. Four-Dimensional Ultrafast Electron Microscopy of Phase Transitions, Proc. Natl. Acad. Sci. USA 103, 18427 (2006).

    V. A. Lobastov, R. Srinivasan and A. H. Zewail. Four-Dimensional Ultrafast Electron Microscopy, Proc. Natl. Acad. Sci. USA 102, 7069 (2005).

    R. Srinivasan, J. S. Feenstra, S. T. Park, S. Xu and A. H. Zewail. Dark Structures in Molecular Radiationless Transitions Determined by Ultrafast Diffraction, Science 307, 558 (2005).

    D. H. Paik, I-R. Lee, D.-S. Yang, J. S. Baskin and A. H. Zewail. Electrons in Finite-Sized Water Cavities: Hydration Dynamics Observed in Real Time, Science 306, 672 (2004).

    C.-Y. Ruan, V. A. Lobastov, F. Vigliotti, S. Chen and A. H. Zewail. Ultrafast Electron Crystallography of Interfacial Water, Science 304, 80 (2004).

    H. Ihee, V. A. Lobastov, U. M. Gomez, B. M. Goodson, R. Srinivasan, C.-Y. Ruan and A. H. Zewail. Direct Imaging of Transient Molecular Structures with Ultrafast Diffraction, Science 291, 458 (2001).

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