Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

A Boosted Critical Temperature of 166 K in Superconducting D3S Synthesized from Elemental Sulfur and Hydrogen

Journal Article · · Angewandte Chemie (International Edition)
 [1];  [2];  [3];  [4]
  1. Max-Planck Institut für Chemie, Mainz (Germany); OSTI
  2. Univ. of Chicago, IL (United States). Center for Advanced Radiation Sources
  3. Soreq Nuclear Research Center, Yavne (Israel). Applied Physics Dept.
  4. Max-Planck Institut für Chemie, Mainz (Germany)
The discovery of superconductivity in H3S at 203 K marked an advance towards room-temperature superconductivity and demonstrated the potential of H-dominated compounds to possess a high critical temperature (Tc). There have been numerous reports of the H-S system over the last five years, but important questions remain unanswered. It is crucial to verify whether the Tc was determined correctly for samples prepared from compressed H2S, since they are inevitably contaminated with H-depleted byproducts. Here, we prepare stoichiometric H3S by direct in situ synthesis from elemental S and excess H2. The Im$$_\bar{3}$$ m phase of D3S samples exhibits a Tc significantly higher than previously reported values (ca. 150 K), reaching a maximum Tc of 166 K at 157 GPa. Furthermore, we confirm that the sharp decrease in Tc below 150 GPa is accompanied by continuous rhombohedral structural distortions and demonstrate that the Cccm phase is nonmetallic, with molecular H2 units in the crystal structure.
Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division
Grant/Contract Number:
AC02-06CH11357; FG02-94ER14466
OSTI ID:
1816375
Journal Information:
Angewandte Chemie (International Edition), Journal Name: Angewandte Chemie (International Edition) Journal Issue: 43 Vol. 59; ISSN 1433-7851
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

References (34)

High-temperature study of superconducting hydrogen and deuterium sulfide: High-temperature study of superconducting hydrogen and deuterium sulfide journal December 2015
Superfluidity and superconductivity in the universe journal January 1969
Conventional/unconventional superconductivity in high-pressure hydrides and beyond: insights from theory and perspectives journal September 2017
Hole superconductivity in H2S and other sulfides under high pressure journal April 2015
Superconductivity and structural studies of highly compressed hydrogen sulfide journal September 2018
A perspective on conventional high-temperature superconductors at high pressure: Methods and materials journal April 2020
Materials discovery at high pressures journal February 2017
Conventional superconductivity at 203 kelvin at high pressures in the sulfur hydride system journal August 2015
Crystal structure of the superconducting phase of sulfur hydride journal May 2016
Structure of phase III of solid hydrogen journal May 2007
Superconducting phase diagram of H3S under high magnetic fields journal June 2019
Semimetallic molecular hydrogen at pressure above 350 GPa journal September 2019
Synchrotron infrared spectroscopic evidence of the probable transition to metal hydrogen journal January 2020
Pressure-induced metallization of dense (H2S)2H2 with high-Tc superconductivity journal November 2014
On the Possibility of a Metallic Modification of Hydrogen journal December 1935
The metallization and superconductivity of dense hydrogen sulfide journal May 2014
The quest for room-temperature superconductivity in hydrides journal May 2019
High-temperature superconductivity in sulfur hydride evidenced by alternating-current magnetic susceptibility journal May 2019
Theory of Superconductivity journal December 1957
First-principles study of the pressure and crystal-structure dependences of the superconducting transition temperature in compressed sulfur hydrides journal June 2015
Dissociation products and structures of solid H 2 S at strong compression journal January 2016
Hydrogen sulfide at high pressure: Change in stoichiometry journal May 2016
Direct synthesis of pure H 3 S from S and H elements: No evidence of the cubic superconducting phase up to 160 GPa journal January 2017
Stable high-pressure phases in the H-S system determined by chemically reacting hydrogen and sulfur journal April 2017
High-Pressure Hydrogen Sulfide from First Principles: A Strongly Anharmonic Phonon-Mediated Superconductor journal April 2015
Metallic Hydrogen: A High-Temperature Superconductor? journal December 1968
Hydrogen Dominant Metallic Alloys: High Temperature Superconductors? journal May 2004
Colloquium : High pressure and road to room temperature superconductivity journal January 2018
Observation of the Wigner-Huntington transition to metallic hydrogen journal January 2017
Superconducting Hydrides Under Pressure journal March 2020
High-temperature conventional superconductivity journal November 2016
Superconductivity of Pure H 3 S Synthesized from Elemental Sulfur and Hydrogen journal December 2019
Investigation of Superconductivity in Hydrogen-rich Systems journal May 2020
Two-year progress in experimental investigation on high-temperature superconductivity of sulfur hydride journal April 2017


Similar Records

Hydrogen sulfide at high pressure: Change in stoichiometry
Journal Article · Mon May 09 20:00:00 EDT 2016 · Physical Review B · OSTI ID:1253790

Stable high-pressure phases in the H-S system determined by chemically reacting hydrogen and sulfur
Journal Article · Sun Apr 09 20:00:00 EDT 2017 · Physical Review B · OSTI ID:1353265

Thermodynamics and superconductivity of SxSe1-xH3
Journal Article · Sun Feb 10 19:00:00 EST 2019 · Physical Review B · OSTI ID:1544115