MSE Seminar Series: Michael Bedzyk

Friday, April 24, 2015
1:00 p.m.-2:00 p.m.
Room 2110, Chemical and Nuclear Engineering Bldg.
JoAnne Kagle
301 405 5240

Looking for Atoms at Complex Interfaces

Michael Bedzyk
Professor and Chair
Materials Science and Engineering
Northwestern University

Interfacial science by its very nature brings together diverse interests in areas such as: electronic materials, oxide film growth, nano-science, biomembranes, geochemistry, surface physics, catalysis, and electrical-energy storage. Sophisticated in situ X-ray methods are now being developed to understand the assembly of atoms, molecules and supported nanoparticles at interfaces in complex environments. The talk will introduce the use of synchrotron X-ray methods for atomic-scale studies of interfaces. Examples will include the use of X-ray reflectivity (XRR), X-ray standing waves (XSW) and X-ray photoelectron spectroscopy (XPS) for studying interfaces formed by the growth of graphene on silicon-carbide and oxide supported monolayer catalyst. The measurements are made at the Advanced Photon Source and the European Synchrotron Radiation Facility.

About the Speaker
Michael Bedzyk is a Northwestern University Professor of Materials Science & Engineering and Physics & Astronomy. He presently serves as chair of Materials Science & Engineering and co-director of the Northwestern Synchrotron Research Center. He is a Fellow of the American Physical Society and the American Association for the Advancement of Science, and received the Warren Award for Diffraction Physics. His Ph.D. is in Physics from the State University of New York at Albany. Prior to Northwestern he was a staff scientist at synchrotron X-ray facilities located at DESY in Hamburg, Germany and then at Cornell University. His research uses in situ X-ray scattering and spectroscopy to study interface processes and structures that form between various phases of matter. These include ion distributions at electrified interfaces, DNA-coated nanoparticles, oxide supported catalytic nanoparticles, membrane and vesicle formation by molecular assembly, functionalization of epitaxial graphene, organic thin films, strain in complex-oxide heterolayer structures, and Li-ion battery solid-electrolyte interphase layer formation.

Audience: Campus  Clark School  All Students  Faculty  Staff  Post-Docs 

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