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McKelvey School of Engineering

Brown School

IMSE Seminar "Probing the Atomic-Scale Structure of Low-Dimensional Materials at Cryogenic Temperatures"

Monday, February 5 | 1:00 PM - 1:50 PM

Stephen F. & Camilla T. Brauer Hall, 12
6548 Forest Park Pkwy, St. Louis, MO 63112, USA

Francisco Lagunas Vargas, Postdoctoral Appointee, Argonne National Laboratory.  

Low-dimensional materials are promising candidates for a variety of technologies, ranging from photocatalysis to microelectronics. This is because their reduced dimensionality enables a larger specific surface area compared to their 3D counterparts. Moreover, the lower dimensionality often leads to the emergence of new properties, making low-dimensional materials an intriguing platform for the discovery of novel physical phenomena. In this presentation, I will showcase a collection of studies using aberration-corrected Scanning Transmission Electron Microscopy (STEM)—a tool allows for the direct observation of both the atomic and chemical composition of a material with sub-angstrom resolution—to unravel the complex structure of novel two- and one-dimensional materials.

Event Type



Arts & Sciences, McKelvey School of Engineering


Science & Technology



Institute of Materials Science & Engineering, Mechanical Engineering & Materials Science
Event Contact

Beth Gartin, bgartin@wustl.edu

Speaker Information

Francisco Lagunas Vargas is a Postdoctoral Appointee at Argonne National Laboratory, a U.S. Department of Energy funded research and development center. As part of his research, Francisco designs, fabricates, and builds an understanding of device operations using advanced electron microscopy. He received his PhD. in Physics in 2023 from the University of Illinois Chicago.

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