Department of Chemistry Master Calendar

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This calendar includes all events from the following individual calendars: Department of Chemistry Alumni Events (events for an alumni audience), Department Events (events of general interest and/or relevant to all Chemistry research areas), Diversity, Equity, and Inclusion Events, Public Events, and events related to Chemistry research areas and programs (Analytical Chemistry, Chemical Biology, Chemistry-Biology Interface Training Program, Inorganic Chemistry & Materials Chemistry, Organic Chemistry, Physical Chemistry), as well as Department of Chemical and Biomolecular Engineering Seminars & Events.


Professor Prashant Jain, University of Illinois Urbana-Champaign, "Holes in the LK-99 Story"

Event Type
Professor Prashant Jain
CLSL B-102
Sep 20, 2023   2:00 - 3:00 pm  
Randy Prince
Originating Calendar
Chemistry - Physical Chemistry Seminars

The claim of room-temperature, ambient pressure superconductivity in a copper-doped modified lead apatite compound called LK-99 stirred intense social media frenzy and scientific debate for nearly two months. What caused the steep rise and fall of LK-99? I will give a personal account of this puzzle and its resolution. Ultimately, LK-99 is less a story about superconductivity and more about another "super" property in masquerade. The purported signatures of superconductivity of LK-99 can be explained by superionicity coupled with holes produced by self-doping.

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