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Affiliates – Takeshi Egami

Prof. Takeshi Egami

UT-ORNL Distinguished Scientist/Professor of Materials Science and Engineering and Physics and Astronomy

Research focus: Quantum Materials, e.g. synthesis, molecular quantum systems, 2D materials, quantum magnetism, strongly correlated electron systems.



Dr. Takeshi Egami is UT-ORNL Distinguished Scientist/Professor of the University of Tennessee at Knoxville, Department of Materials Science and Engineering and Department of Physics and Astronomy, with join appointment at Materials Science and Technology Division, Oak Ridge National Laboratory. He received his B. E. degree in Applied Physics from the University of Tokyo in 1968, and his Ph.D. in Materials Science from the University of Pennsylvania in 1971. After the postdoctoral research at the University of Sussex in U.K. and Max-Planck-Institut für Metallforschung in Stuttgart, Germany, he returned to the University of Pennsylvania in 1973 as Assistant Professor. He was promoted to Associate Professor in 1976, to Professor in 1980, and was Department Chair (1997-2002). In 2003 he moved to the current position. He was Director of UT-ORNL Joint Institute for Neutron Sciences (2008-2015). He is known for promoting the use of the PDF technique to the study of complex crystalline materials. He received 2003 B. E. Warren Award for Diffraction Physics from American Crystallography Association, 2010 J. D. Hanawalt Award from International Center for Diffraction Data, and other awards. Dr. Egami has published 1 book (Underneath the Bragg Peaks: Structural Analysis of Complex Materials, Elsevier, 2003, 2012), over 30 reviews and over 550 technical papers. He is Editor of Advances in Physics, and Associate Editor of Frontier in Physics.

Research Description

We study correlated dynamics of atoms and electrons by inelastic neutron/x-ray scattering presented in real space and time, providing new information on correlated quantum systems.

Recent research

“Observation of Dynamic Atom-Atom Correlation in Liquid Helium in Real Space”, W. Dmowski, S. O. Diallo, K. Lokshin, G. Ehlers, G. Ferré, J. Boronat and T. Egami, Nature Communications, 8, 15294 (2017); doi: 10.1038/ncomms15294

“Perspective: Correlated Atomic Dynamics in Liquid Seen in Real Space and Time”, Takeshi Egami and Yuya Shinohara, J. Chem. Phys., 153, 180902 (2020);

“Local Self-motion of Water through Van Hove Function”, Yuya Shinohara, Wojciech Dmowski, Takuya Iwashita, Daisuke Ishikawa, Alfred Q. R. Baron and Takeshi Egami, Phys. Rev. E,102, 032604 (2020)

“Structural Principles in Metallic Liquids and Glasses: Bottom-up or Top-down”, Takeshi Egami and Chae Woo Ryu, Frontiers in Materials, 9, 874191 (2022);

Research Image

The Van Hove function of water determined by inelastic x-ray scattering depicting dynamic correlation among water molecules in space and time. We are now measuring the Van Hove function for electrons.