Postdoctoral Research Associates
Dr. Paria Sadat Musavi Gharavi
Dr. Paria earned her Ph.D. in Materials Science and Engineering from the University of New South Wales (UNSW, Sydney) in 2019, where she studied the role of structural and chemical defects located at interfaces of thin-film functional materials using Transmission Electron Microscopy (TEM) techniques. She joined as a Postdoctoral Research Associate at the University of Pennsylvania in March 2020.
Her research interests focus on the growth of novel materials and the study of those materials using electron microscopy. The outcomes obtained in her Ph.D. demonstrate how advanced electron microscopy can be an extremely powerful method to provide insight into the interfacial mechanisms that govern the structural, chemical and functional properties of semiconductor and multiferroic materials systems. She performs fundamental research investigating the deposition and ferroelectric properties of Aluminum Scandium Nitride (AlScN) materials. She investigates the impact of sputter deposition parameters on the material quality and the ferroelectric properties in AlScN system. Dr. Paria assesses the quality of the AlScN materials using Transmission Electron Microscopy (TEM). She also studies the ferroelectric domain switching, switching endurance, and polarization retention of AlScN materials using TEM. Paria is co-advised by Prof. Eric Stach of MSE department and Prof. Troy Olsson of ESE department.
Dr. Sungho Jeon
Dr. Sungho Jeon earned his Ph.D. in Electrical Engineering and Information Systems from the University of Tokyo in 2017. He was a postdoctoral researcher at the NBMS Lab at Hanyang University. He joined as a Postdoctoral Research Associate at Penn in September of 2021.
His research focuses on applying and developing in situ (S)TEM techniques to study the synthesis process of nanoparticles. He is also interested in correlating the structure of catalysts to their properties. He is currently working in CHASE, developing molecule/semiconductor hybrid photoelectrodes for cooperative sunlight-driven generation of liquid fuels from carbon dioxide, nitrogen, and water. Here, he studies the nanodroplet-based synthesis process of Cu nanoparticles and molecular catalysts attached to semiconductor support.
Dr. Rajeev Kumar Rai
Dr. Rajeev has received his Ph.D. in Materials Science from the Indian Institute of Science (IISc), Bangalore in 2021. During his Ph.D. he worked in Nanomaterials & Microscopy group where his work was to design synthesis protocol for 2 D nanostructures with specific applications and their characterization using Transmission Electron Microscopy techniques. For a brief period, he was a postdoctoral researcher at Functional Thin Films and Electron Microscopy Lab,]CeNSE, IISc, where his role was to investigate the thin film oxides using TEM techniques. He joined as Postdoctoral Research Associate at University of Pennsylvania in June 2022.
His research focuses on understanding the reaction mechanism for CO2 sequestration in minerals and other gas phase catalytic reactions using in-situ (S)-TEM imaging and spectroscopy. He is also interested in phase transformation and atomic inter diffusion using in-situ (S)-TEM methods. Apart from in-situ methods, he is also interested in other electron microscopy techniques including electron energy loss spectroscopy (EELS) and 4D-STEM.