Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Diffraction, crystallography and microscopy beyond three dimensions: structural dynamics in space and time.

Ahmed H Zewail1

  • 1Laboratory for Molecular Sciences, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125, USA. zewail@caltech.edu

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|January 25, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ultrafast Dynamics of Porphyrins in the Condensed Phase:  II. Zinc Tetraphenylporphyrin<sup>†</sup>.

The journal of physical chemistry. A·2025
Same author

Spatiotemporal Imaging of Thickness-Induced Band-Bending Junctions.

Nano letters·2021
Same author

4D electron microscopy of T cell activation.

Proceedings of the National Academy of Sciences of the United States of America·2019
Same author

Direct Visualization of Photomorphic Reaction Dynamics of Plasmonic Nanoparticles in Liquid by Four-Dimensional Electron Microscopy.

The journal of physical chemistry letters·2018
Same author

Observation of dynamical crater-shaped charge distribution in the space-time imaging of monolayer graphene.

Nanoscale·2018
Same author

Ultrafast Electron Diffraction of Transient [Fe(CO)<sub>4</sub> ]: Determination of Molecular Structure and Reaction Pathway.

Angewandte Chemie (International ed. in English)·2018
Same journal

Correction to: 'Stokes settling and particle-laden plumes: implications for deep-sea mining and volcanic eruption plumes' (2020), by Mingotti et al.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

A stable hothouse triggered by a tipping mechanism.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Beyond distance: quantifying point cloud dynamics with persistent homology and dynamic optimal transport.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Global stability of the Atlantic overturning circulation: edge state, long transients and boundary crisis under CO2 forcing.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Morse index classification and landscape of Kuramoto system for Hebbian-based binary pattern recognition.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Interpretable and equation-free response theory for complex systems.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
See all related articles

Researchers have advanced ultrafast electron diffraction and crystallography techniques. These methods now resolve atomic structures in picoseconds and femtoseconds across various materials.

Area of Science:

  • Materials Science
  • Chemistry
  • Physics

Background:

  • Ultrafast electron diffraction and crystallography are key techniques for studying dynamic processes.
  • Previous limitations in temporal and spatial resolution hindered the observation of transient structures.

Purpose of the Study:

  • To highlight recent advancements in ultrafast electron diffraction and crystallography at Caltech.
  • To showcase the capability of resolving structures with high spatial and temporal resolution.

Main Methods:

  • Development of advanced ultrafast electron diffraction techniques.
  • Application of femtosecond electron crystallography.
  • Extension of techniques to ultrafast electron microscopy.

Main Results:

Related Experiment Videos

  • Achieved spatial resolution of 0.01 Angstroms.
  • Achieved temporal resolution in the picosecond and femtosecond regimes.
  • Successfully resolved transient structures in gas phase, surfaces, interfaces, and crystals.

Conclusions:

  • Recent developments enable unprecedented resolution of dynamic structures.
  • These techniques have wide-ranging applications in various scientific fields.
  • The Laboratory for Molecular Sciences is a major center for this research.