Retracted Article: Carbon content drives high temperature superconductivity in a carbonaceous sulfur hydride below 100 GPa

G. Alexander Smith; Ines E. Collings; Elliot Snider; Dean Smith; Sylvain Petitgirard; Jesse S. Smith; Melanie White; Elyse Jones; Paul Ellison; Keith V. Lawler; Ranga P. Dias; Ashkan Salamat

doi:10.1039/D2CC03170A

Retracted Article: Carbon content drives high temperature superconductivity in a carbonaceous sulfur hydride below 100 GPa†

G. Alexander Smith,^ab Ines E. Collings,

^c Elliot Snider,^d Dean Smith,

^a Sylvain Petitgirard,^e Jesse S. Smith,^f Melanie White,^ag Elyse Jones,^d Paul Ellison,^g Keith V. Lawler,

^a Ranga P. Dias^dh and Ashkan Salamat

*^ag

Author affiliations

* Corresponding authors

^a Nevada Extreme Conditions Laboratory, University of Nevada, Las Vegas, Las Vegas, Nevada 89154, USA
E-mail: ashkan.salamat@unlv.edu

^b Department of Chemistry & Biochemistry, University of Nevada, Las Vegas, Las Vegas, Nevada 89154, USA

^c Centre for X-ray Analytics, Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstraße 129, 8600 Dübendorf, Switzerland

^d Department of Mechanical Engineering, University of Rochester, Rochester, New York 14627, USA

^e Department of Earth Sciences, ETH Zürich, Zürich 8025, Switzerland

^f HPCAT, X-ray Science Division, Argonne National Laboratory, Illinois 60439, USA

^g Department of Physics & Astronomy, University of Nevada, Las Vegas, Las Vegas, Nevada 89154, USA

^h Department of Physics & Astronomy, University of Rochester, Rochester, New York 14627, USA

Abstract

We report a previously unobserved superconducting state of the photosynthesized carbonaceous sulfur hydride (C–S–H) system with a maximum T_C of 191(1) K below 100 GPa. The properties of C–S–H are dependent on carbon content, and X-ray diffraction and simulations reveal the system remains molecular-like up to 100 GPa.

Chemical Communications

Retracted Article: Carbon content drives high temperature superconductivity in a carbonaceous sulfur hydride below 100 GPa†

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