Information
This colloquium serves as a pre–event for a Thematic Program of Tohoku Forum for Creativity, “Towards New Scientific Horizons with Synchrotron Radiation”, which will be organized in 2026 by International Center for Synchrotron Radiation Innovation Smart, Tohoku University.
Date
Monday, August 4, 2025, 13:30 – 14:30
Venue
SRIS Building, Entrepreneur Hall, Tohoku University [Access]
Hosted by
International Center for Synchrotron Radiation Innovation Smart, Tohoku University
Tohoku Forum for Creativity, Organization for Research Promotion, Tohoku University
Speaker
Dr. Jan Ilavsky (Advanced Photon Source, Argonne National Laboratory)
Time Schedule
- 13:30 – 14:30
- Jan Ilavsky (Advanced Photon Source, Argonne National Laboratory)
- Pushing the limits of complex materials microstructure characterization
Abstract
New generation Ultra–Small–Angle X–ray Scattering instrument (USAXS/SAXS/WAXS) benefits from upgraded APS–U beams and recent complete replacement of motion hardware to deliver next–generation performance. Demonstrated capabilities show the largest measured Q range of likely any microstructure characterization device in the world. We have demonstrated a minimum q (q resolution) of 3e–5 [1/Å] (~20–micron size) with continuous data extending to above 6 [1/Å], resulting in more than 5 decades of sizes characterized during one, less than 3 minutes long, measurement.
Hierarchical structures are ubiquitous in most applied/natural materials used today. Further materials performance optimization, necessary for further reduction of energy and other resources needs, is dependent on the development of a much better understanding of the manufacturing–structure–performance cycle.
The new generation USAXS/SAXS/WAXS can deliver a critical part of this understanding in many, if not most, areas. The talk will present an overview of the instrument design, its capabilities, and discuss examples of past and future applications where these new capabilities provided and will provide critical information necessary for the 21st–century materials challenges. Examples from fields from metallurgy to food production will be presented, and results briefly discussed.
Poster
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