Solid State & Optics Seminar Series
sponsored by “The Flint Fund Series on Quantum Devices and Nanostructures”
Wednesday, October 27, 2021
1:00pm Via Zoom
Jia-Xin Yin, Ph.D.
Laboratory for Topological Quantum Matter and Advanced Spectroscopy, Princeton University
Unconventional charge order and superconductivity in kagome materials
Lattice geometry, topological electron behaviour and the competition between different possible ground states all have a role in determining the properties of materials with a kagome lattice structure. In particular, the compounds KV3Sb5, CsV3Sb5 and RbV3Sb5 all feature a kagome net of vanadium atoms. These materials have recently been shown to exhibit superconductivity at low temperature and an unusual charge order at high temperature, revealing a connection to the underlying topological nature of the band structure. Dr. Yin will highlight these discoveries, place them in the context of the wider research effort in topological physics and superconductivity, and discuss the open problems for this field.
Hosted: Assistant Professor Yu He