Mark Dean (Brookhaven National Lab)

February 12, 2021 @ 1:30 pm – 2:30 pm

X-ray vision of electrons in complex oxides: the case of magnetism in nickelate superconductors

Many of the most remarkable properties of quantum materials come from the interplay of multiple charge, orbital and spin degrees of freedom. Probing all of these with a single technique is consequently highly desirable. In this talk, I will describe how resonant inelastic x-ray scattering (RIXS) opens up important new possibilities for measuring all these degrees of freedom. This will be illustrated by the specific case of probing the nature of magnetism in the newly discovered d9 superconducting nickelates.


  1. J. Q. Lin et al., arXiv:2008.08209 to appear in Physical Review Letters

Host: Qiang Li

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