X-ray diffraction and equation of state of the C–S–H room-temperature superconductor

Lamichhane, Anmol; Kumar, Ravhi; Ahart, Muhtar; Salke, Nilesh P.; Dasenbrock-Gammon, Nathan; Snider, Elliot; Meng, Yue; Lavina, Barbara; Chariton, Stella; Prakapenka, Vitali B.; Somayazulu, Maddury; Dias, Ranga P.; Hemley, Russell J.

doi:10.1063/5.0064750

Title: X-ray diffraction and equation of state of the C–S–H room-temperature superconductor

Journal Article · Tue Sep 21 00:00:00 EDT 2021 · Journal of Chemical Physics

DOI:https://doi.org/10.1063/5.0064750· OSTI ID:1839908

^[1]; Kumar, Ravhi ^[1];

^[1]; Salke, Nilesh P. ^[1];

^[2];

^[2]; Meng, Yue ^[3]; Lavina, Barbara ^[4];

^[1]; Prakapenka, Vitali B. ^[1]; Somayazulu, Maddury ^[3];

^[2];

^[1]

Univ. of Illinois, Chicago, IL (United States)
Univ. of Rochester, NY (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. of Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)

X-ray diffraction indicates that the structure of the recently discovered carbonaceous sulfur hydride (C–S–H) room-temperature superconductor is derived from previously established van der Waals compounds found in the H₂S–H₂ and CH₄–H₂ systems. Crystals of the superconducting phase were produced by a photochemical synthesis technique, leading to the superconducting critical temperature T_c of 288 K at 267 GPa. X-ray diffraction patterns measured from 124 to 178 GPa, within the pressure range of the superconducting phase, are consistent with an orthorhombic structure derived from the Al₂Cu-type determined for (H₂S)₂H₂ and (CH₄)₂H₂ that differs from those predicted and observed for the S–H system at these pressures. The formation and stability of the C–S–H compound can be understood in terms of the close similarity in effective volumes of the H₂S and CH₄ components, and denser carbon-bearing S–H phases may form at higher pressures. Furthermore, the results are crucial for understanding the very high superconducting T_c found in the C–S–H system at megabar pressures.

View Accepted Manuscript (DOE)

Cite

Export

Save

Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois, Chicago, IL (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; National Science Foundation (NSF); Chicago/DOE Alliance Center (CDAC)

Grant/Contract Number:: AC02-06CH11357; NA0003975; SC0020340; DMR-1933622; DMR-1809649; EAR-1634415

OSTI ID:: 1839908

Alternate ID(s):: OSTI ID: 1821225

Journal Information:: Journal of Chemical Physics, Vol. 155, Issue 11; ISSN 0021-9606

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

References (23)

High-Pressure Compounds in Methane-Hydrogen Mixtures Somayazulu, M. S.; Finger, L. W.; Hemley, R. J. Science, Vol. 271, Issue 5254, p. 1400-1402 https://doi.org/10.1126/science.271.5254.1400	journal	March 1996
Dissociation of methane under high pressure Gao, Guoying; Oganov, Artem R.; Ma, Yanming The Journal of Chemical Physics, Vol. 133, Issue 14 https://doi.org/10.1063/1.3488102	journal	October 2010
Room-temperature superconductivity in a carbonaceous sulfur hydride Snider, Elliot; Dasenbrock-Gammon, Nathan; McBride, Raymond Nature, Vol. 586, Issue 7829 https://doi.org/10.1038/s41586-020-2801-z	journal	October 2020
Properties of diamond under hydrostatic pressures up to 140 GPa Occelli, Florent; Loubeyre, Paul; LeToullec, René Nature Materials, Vol. 2, Issue 3 https://doi.org/10.1038/nmat831	journal	February 2003
X-ray diffraction and equation of state of hydrogen at megabar pressures Loubeyre, P.; LeToullec, R.; Hausermann, D. Nature, Vol. 383, Issue 6602 https://doi.org/10.1038/383702a0	journal	October 1996
X-ray diffraction studies and equation of state of methane at 202GPa Sun, Liling; Yi, Wei; Wang, Lin Chemical Physics Letters, Vol. 473, Issue 1-3 https://doi.org/10.1016/j.cplett.2009.03.072	journal	April 2009
The pressure-temperature phase and transformation diagram for carbon; updated through 1994 Bundy, F. P.; Bassett, W. A.; Weathers, M. S. Carbon, Vol. 34, Issue 2 https://doi.org/10.1016/0008-6223(96)00170-4	journal	January 1996
The metallization and superconductivity of dense hydrogen sulfide Li, Yinwei; Hao, Jian; Liu, Hanyu The Journal of Chemical Physics, Vol. 140, Issue 17 https://doi.org/10.1063/1.4874158	journal	May 2014
Bonding Changes in Compressed Superhard Graphite Mao, W. L. Science, Vol. 302, Issue 5644 https://doi.org/10.1126/science.1089713	journal	October 2003
Hole-doped room-temperature superconductivity in H3S1-xZ (Z=C, Si) Ge, Yanfeng; Zhang, Fan; Dias, Ranga P. Materials Today Physics, Vol. 15 https://doi.org/10.1016/j.mtphys.2020.100330	journal	December 2020
Pressure-induced superconducting ternary hydride H3SXe: A theoretical investigation Li, Da; Liu, Yan; Tian, Fu-Bo Frontiers of Physics, Vol. 13, Issue 5 https://doi.org/10.1007/s11467-018-0818-7	journal	August 2018
Structure and compression of crystalline methane at high pressure and room temperature Hazen, R. M.; Mao, H. K.; Finger, L. W. Applied Physics Letters, Vol. 37, Issue 3 https://doi.org/10.1063/1.91909	journal	August 1980
Potential high- T _c superconducting lanthanum and yttrium hydrides at high pressure Liu, Hanyu; Naumov, Ivan I.; Hoffmann, Roald Proceedings of the National Academy of Sciences, Vol. 114, Issue 27 https://doi.org/10.1073/pnas.1704505114	journal	June 2017
Superconductivity at 250 K in lanthanum hydride under high pressures Drozdov, A. P.; Kong, P. P.; Minkov, V. S. Nature, Vol. 569, Issue 7757 https://doi.org/10.1038/s41586-019-1201-8	journal	May 2019
Crystal structure of graphite under room-temperature compression and decompression Wang, Yuejian; Panzik, Joseph E.; Kiefer, Boris Scientific Reports, Vol. 2, Issue 1 https://doi.org/10.1038/srep00520	journal	July 2012
Anomalous High‐Temperature Superconductivity in YH ₆ Troyan, Ivan A.; Semenok, Dmitrii V.; Kvashnin, Alexander G. Advanced Materials, Vol. 33, Issue 15 https://doi.org/10.1002/adma.202006832	journal	March 2021
Pressure-induced metallization of dense (H2S)2H2 with high-Tc superconductivity Duan, Defang; Liu, Yunxian; Tian, Fubo Scientific Reports, Vol. 4, Issue 1 https://doi.org/10.1038/srep06968	journal	November 2014
Conventional superconductivity at 203 kelvin at high pressures in the sulfur hydride system Drozdov, A. P.; Eremets, M. I.; Troyan, I. A. Nature, Vol. 525, Issue 7567 https://doi.org/10.1038/nature14964	journal	August 2015
DIOPTAS : a program for reduction of two-dimensional X-ray diffraction data and data exploration Prescher, Clemens; Prakapenka, Vitali B. High Pressure Research, Vol. 35, Issue 3 https://doi.org/10.1080/08957959.2015.1059835	journal	May 2015
Evidence for Superconductivity above 260 K in Lanthanum Superhydride at Megabar Pressures Somayazulu, Maddury; Ahart, Muhtar; Mishra, Ajay K. Physical Review Letters, Vol. 122, Issue 2 https://doi.org/10.1103/PhysRevLett.122.027001	journal	January 2019
Superconductivity up to 243 K in the yttrium-hydrogen system under high pressure Kong, Panpan; Minkov, Vasily S.; Kuzovnikov, Mikhail A. Nature Communications, Vol. 12, Issue 1 https://doi.org/10.1038/s41467-021-25372-2	journal	August 2021
Crystal structure of the superconducting phase of sulfur hydride Einaga, Mari; Sakata, Masafumi; Ishikawa, Takahiro Nature Physics, Vol. 12, Issue 9 https://doi.org/10.1038/nphys3760	journal	May 2016
Superconductivity at 100 K in dense SiH4(H2)2 predicted by first principles Li, Y.; Gao, G.; Xie, Y. Proceedings of the National Academy of Sciences, Vol. 107, Issue 36 https://doi.org/10.1073/pnas.1007354107	journal	August 2010

Similar Records

Hole-doped room-temperature superconductivity in H₃S_1-xZ (Z=C, Si)

Journal Article · Wed Dec 09 00:00:00 EST 2020 · Materials Today Physics · OSTI ID:1839908

Ge, Yanfeng; Zhang, Fan; Dias, Ranga P.; +2 more

Room-temperature superconductivity in boron- and nitrogen-doped lanthanum superhydride

Journal Article · Wed Dec 15 00:00:00 EST 2021 · Physical Review. B · OSTI ID:1839908

Ge, Yanfeng; Zhang, Fan; Hemley, Russell J.

Synthesis and structure of carbon-doped H₃S compounds at high pressure

Journal Article · Mon Jan 10 00:00:00 EST 2022 · Journal of Applied Physics · OSTI ID:1839908

Goncharov, Alexander F.; Bykova, Elena; Bykov, Maxim; +5 more

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
diamond anvil cells
superconductivity
doping
superconductors
x-ray diffraction
phase transitions
raman spectroscopy
equations of state
perovskites

Title: X-ray diffraction and equation of state of the C–S–H room-temperature superconductor

Citation Formats

References (23)

Similar Records

Related Subjects