Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session W15: Superconductivity in One and Two Dimensions III
3:00 PM–5:00 PM,
Thursday, March 7, 2024
Room: M100F
Sponsoring
Unit:
DCMP
Chair: Gang Qui
Abstract: W15.00008 : Quantum Griffiths singularity in light-induced 2D superconducting phase on the surface of molecular Mott insulator
4:24 PM–4:36 PM
Presenter:
Bin Chen
(Kyoto University)
Authors:
Bin Chen
(Kyoto University)
Kenichiro Hashimoto
(The University of Tokyo)
Motoi Kimata
(Tohoku University)
Takahiko Sasaki
(Tohoku University)
Hiroshi Yamamoto
(Institute for Molecular Science)
Shu Seki
(Kyoto University)
Masayuki Suda
(Kyoto University, JST-FOREST)
In this study, we have successfully induced ideal 2D superconductivity on the surface of a bulk single crystal of an organic Mott insulator (κ-(BEDT-TTF)2Cu[N(CN)2]Cl: κ-Cl) through the photochromic isomerization of an SP derivative. Within this 2D superconducting phases characterized by enhanced quantum fluctuation, we have discerned a clear and distinctive signature indicating presence of a quantum Griffiths singularity.
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