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the claim

Hydrogen sulfide becomes superconducting at about 203 kelvin under roughly 150 gigapascals of pressure.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
8 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that hydrogen sulfide becomes superconducting at about 203 kelvin under roughly 150 gigapascals of pressure?

Yes. Multiple peer-reviewed sources and a reference article report that hydrogen sulfide (H3S) becomes superconducting at a critical temperature of 203 K, with two of them tying that record to pressures around or above 150 GPa.

Verdict: SUPPORTED · 8 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 8
Hydrogen sulfide
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Hydrogen sulfide. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Hydrogen_sulfide

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More for · 7
Crystal Structure of the Superconducting Phase of Sulfur Hydride -
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Crystal Structure of the Superconducting Phase of Sulfur Hydride - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1038/nphys3760

Superconducting H5S2 phase in sulfur-hydrogen system under high-pressure
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Superconducting H5S2 phase in sulfur-hydrogen system under high-pressure. (n.d.). cir.nii.ac.jp. https://doi.org/10.1038/srep23160

Hydrogen sulfide at high pressure: Change in stoichiometry
2016
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Hydrogen sulfide at high pressure: Change in stoichiometry. (2016). doi.org. https://doi.org/10.1103/physrevb.93.174105

First-principles study of superconducting hydrogen sulfide at pressure up to 500 GPa
2017
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Durajski, A. P. & Szczęśniak, R. (2017). First-principles study of superconducting hydrogen sulfide at pressure up to 500 GPa. doi.org. https://doi.org/10.1038/s41598-017-04714-5

High‐temperature study of superconducting hydrogen and deuterium sulfide
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High‐temperature study of superconducting hydrogen and deuterium sulfide. (n.d.). cir.nii.ac.jp. https://doi.org/10.1002/andp.201500316

Research Progress of Hydrogen-rich Superconducting Materials under High Pressure
2025
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Zhao, X. (2025). Research Progress of Hydrogen-rich Superconducting Materials under High Pressure. doi.org. https://doi.org/10.56028/aetr.15.1.1917.2025

First-principles demonstration of superconductivity at 280 K in hydrogen sulfide with low phosphorus substitution
2016
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Yanfeng, G., Fan, Z., & Yugui, Y. (2016). First-principles demonstration of superconductivity at 280 K in hydrogen sulfide with low phosphorus substitution. zenodo.org. https://doi.org/10.1103/physrevb.93.224513

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