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4D visualization of ultrafast lattice deformation in solids under laser excitation

Date Mo, 25.06.2018 - Mo, 25.06.2018
Time 11:00
Speaker Dr. J. Hu, California Institute of Technology and China Academy of Engineering Physics
Location EPF Lausanne, CH G1495
Program The high scattering cross-section for electron/matter interaction, the atomic-scale spatial resolution, and the ultrafast temporal resolution of ultrafast electron diffraction (UED) represent the key elements that make this technique a unique tool for the dynamic investigation of nanomaterials. Here I introduce the general concept of UED, and then present a few applications on investigating the laser-induced lattice deformation in solids, including transient structures of phase change materials, energy localization in quantum dots, and rippling dynamics of free-standing graphene.

Host: Dr. Giovanni Maria Vanacore and Prof. Fabrizio Carbone
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