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Online Seminar: Small-Angle X-Ray Scattering (SAXS) – From Principles to Application

Dr. Jan Ilavsky (Argonne National Lab), an expert in the field

Tuesday, October 22, at 9 AM Eastern Time (8 AM Central Time) until 1:00 PM

limited space available

Agenda

​9:00 AM Eastern Time

  1. Small-Angle Scattering (30 min)

    • History

    • Role in science

    • Capabilities

    • X-ray and neutron specifics

  2. Small-Angle Scattering Theory (45 min)

    • Basics

    • Analysis approaches: monodispersed and polydispersed systems

    • Absolute intensity calibration

    • Contrast, anomalous scattering

    • Approximations

    • Q&A

    • 10-minute break

  3. Instrumentation (30 min)

    • X-ray and neutron sources

    • Desktop devices vs. large facilities

    • Geometries/device types

    • Access to large facilities (APS, ORNL, etc.) for users

    • Q&A

    • Break (optional)

  4. Examples of SAXS Applications (potentially unlimited)

    • Fertilizers

    • Soils/Rocks

    • Food science

    • Metals/Alloys

    • Polymers

    • Break (optional)

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12:00 PM - 1:00 PM Eastern Time

  1. Discussion on Specific Applications of Interest

Presenter Bio

Jan Ilavsky is beamline scientist of the USAXS/SAXS/WAXS instrument APS at X-ray Science Division, Advanced Photon Source. As beamline scientist Jan is responsible for operations and development of the USAXS/SAXS/WAXS instrument and provides before, during, and after experiment user support. This support includesworking with 60+ user groups per year for up to 200 operations days/year. Jan develops, maintains, and upgrades USAXS/SAXS/WAXS hardware and software. Since early 2000’s Jan supports world-wide SAS community with his software tools for data reduction (Nika) and analysis (Irena), as well as provides interpretation/publication help to USAXS users as well as general SAS community collaborators.

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Jan is author or co-author of well over 350 journal publications (with H-index (9/2024) of 58) and numerous invited and keynote conference lectures in the area of characterization of materials, mostly using scattering or imaging techniques. 

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Jan is actively supporting the small-angle scattering community as associate editor of J. Appl. Cryst, chair of IUCr Commission on Small-Angle Scattering, and is involved in other world-wide activities in area of SAS data standards, analysis, and absolute intensity calibration. Jan has organized/co-organized educational events such as (ANL and ORNL) X-ray and Neutron summer school, or Small-angle scattering short course (organized by APS small-angle scattering special interest group), SAS and software courses at conferences and facilities etc. 

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As materials scientists Jan is interested in developing of new methods for characterization of complex engineering materials in energy production, storage, and utilization; mitigation of impacts of energy production (CO2 retention etc.). His prime interest can be summarized as “applying advanced small-angle scattering techniques for understanding of in-situ/in-service microstructural changes of complex engineering materials”. 

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