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

Event Type

Seminar/Symposium

Sponsor

Professor Prashant Jain

Location

CLSL B-102

Date

Sep 20, 2023   2:00 - 3:00 pm  

Contact

Randy Prince

E-Mail

rlprince@illinois.edu

Phone

217-333-2540

Views

462

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.