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Solid-State and Nano Seminar

2D Ferroic Materials and Devices

Dr. Cheng GongAssistant ProfessorDepartment of Electrical & Computer Engineering at University of Maryland, College Park
3316 EECS BuildingMap


The emergent ferroic (both ferromagnetic and ferroelectric) two-dimensional (2D) van der Waals materials [1, 2] provide ideal platforms to enable the atomically thin, flexible, lightweight magneto-optical and magnetoelectric devices. The mutual coupling between 2D ferromagnets and 2D ferroelectrics [3] could further enable numerous emergent phenomena in the uncharted territory of “2D multiferroics” and novel devices derived therefrom. In this talk, I will present our recent progress on multiple facets of fundamental physics of 2D ferroics and the device developments based on 2D (multi)ferroics [3-7]. The understanding and control of 2D ferroics and the advancement of 2D ferroic devices we have developed potentially open up a new research arena at the forefront where condensed matter physics and nanoelectronic devices (e.g., memories and sensors) in two dimensions converge.



Professor Cheng Gong has been an assistant professor in the Department of Electrical &
Computer Engineering at University of Maryland, College Park since 2019. His research group
focuses on 2D quantum materials and devices. He is a recipient of IUPAP Young Scientist Prize
in Semiconductor Physics 2020. In 2022, Prof. Gong won UMD’s “Invention of the Year” and
ACS Maryland “Chemist of the Year”. From 2014 to 2019, he was a postdoctoral fellow at UC
Berkeley, where he pioneered the experimental discovery of the first 2D magnet. Professor Gong
received Ph.D. in 2013 in Materials Science and Engineering at the University of Texas at