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Ultrafast Structural Dynamics Lab
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A lab that films the motion of atoms and molecules in materials as "molecular movies" using electron diffraction.

AboutAbout the lab
Capturing changes in atoms and molecules within one trillionth of a second.
The Hada Lab films "molecular movies" using a technique called ultrafast time-resolved electron diffraction.
When light strikes a material, the lab observes how its atoms and molecules change, on a timescale of one trillionth of a second.
The lab also develops the ultrafast time-resolved electron diffraction apparatus used for these observations.
Its targets include the collective motion of molecules in liquid crystals and similar materials, reactions of nanocarbon, and phase transitions in strongly correlated materials.
Key terms
- Ultrafast time-resolved electron diffraction
- A technique that uses electron beam diffraction to observe, on a timescale of one trillionth of a second, the changes in atoms and molecules in a material after it is struck by light
- Nanocarbon
- A general term for tiny materials made of carbon, such as graphene and nanotubes
- Strongly correlated materials
- A group of materials in which electrons strongly influence one another. This lab investigates their phase transitions
NewsLab news
View More ↗ResearchResearch themes
Using ultrafast time-resolved electron diffraction, the lab films the changes in atoms and molecules that occur when light strikes a material, as "molecular movies." It develops instruments with a time resolution of one trillionth of a second and spatial resolution at the level of atoms and molecules, and carries out applied research with them.
View More ↗MembersFaculty
The members of the Hada Lab consist of faculty members, visiting faculty members, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMasaki Hada
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Electron microscope at Oak Ridge National Lab. ( )” doe-oakridge / Public domain (cropped)
- Development and Application of Ultrafast Time-Resolved Electron Diffraction: “Fingerprint texture of a liquid crystal resembling Van Gogh's style” Wojciech Tomczyk / CC BY 4.0 (cropped)
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