Friday, July 14, 2023, 11:00 am — Bldg. 735, Conference Room A
Fundamental understanding of gas-solid reactions is crucial for rational material design and optimization in various applications, including catalysis, corrosion, nanomanufacturing, quantum science, and batteries. In situ and operando Environmental TEM(ETEM) provides the unique capability to observe gas-solid reaction dynamics at unprecedented high spatial and temporal resolution. However, many technical challenges remain in capturing valuable data and extracting meaningful information from the data. To overcome these challenges, I developed innovative MEMS-based holders and data analyzing software tools. This seminar will focus on two specific case studies of gas-solid reactions: copper oxidation and hydrogen damage in aluminum, showcasing how our hardware and software innovations deepen the understanding of gas-solid reaction mechanisms at the atomic level.
Bio: Dr. Meng Li received both her B.E in Mechanical Engineering and Ph.D. in Materials Science at Xi'an Jiao Tong University (XJTU), China. Her Ph.D. research at XJTU with Prof. Zhiwei Shan focused on developing MEMS-based holders for in situ ETEM and using it to investigate hydrogen damage. She joined Prof. Judith Yang's group at University of Pittsburgh for post-doctoral research on Cu and Cu alloy oxidation. Her research interests include gas-solid reactions in corrosion and catalysis, in situ and operando environmental TEM, hardware and software developments for in situ TEM.
Bio: Dr. Meng Li received both her B.E in Mechanical Engineering and Ph.D. in Materials Science at Xi'an Jiao Tong Univiersity (XJTU), China. Her Ph.D. research at XJTU with Prof. Zhiwei Shan focused on developing MEMS-based holders for in situ ETEM and use it to perform research on hydrogen damage. She joined Prof. Judith Yang's group at University of Pittsburgh for post-doctoral training working on Cu and Cu alloy oxidation since Oct. 2017. Her research interests include gas-solid reactions in corrosion and catalysis, in situ and operando environmental TEM, hardware and software developments for in situ TEM.
Hosted by: Dr. Judy Yang
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