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Physical Review Letters, volume 126, issue 11, publication number 117003

Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures.

McBride Raymond 1
Wang Xiaoyu 3
Wang Xiaoyu 3
Meyers Noah 1
Lawler Keith 4
Zurek Eva D. 3
Salamat Ashkan 5
1
 
Department of Mechanical Engineering, School of Engineering and Applied Sciences, University of Rochester, Rochester, New York 14627, USA
2
 
Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA
3
 
Department of Chemistry, State University of New York at Buffalo, Buffalo, New York 14260, USA
4
 
Department of Chemistry & Biochemistry, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA
5
 
Department of Physics & Astronomy, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA
Publication typeJournal Article
Publication date2021-03-19
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
The recent observation of room-temperature superconductivity will undoubtedly lead to a surge in the discovery of new, dense, hydrogen-rich materials. The rare earth metal superhydrides are predicted to have very high-T_{c} superconductivity that is tunable with changes in stoichiometry or doping. Here we report the synthesis of an yttrium superhydride that exhibits superconductivity at a critical temperature of 262 K at 182±8  GPa. A palladium thin film assists the synthesis by protecting the sputtered yttrium from oxidation and promoting subsequent hydrogenation. Phonon-mediated superconductivity is established by the observation of zero resistance, an isotope effect and the reduction of T_{c} under an external magnetic field. The upper critical magnetic field is 103 T at zero temperature.

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Snider E. et al. Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures. // Physical Review Letters. 2021. Vol. 126. No. 11. 117003
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Snider E., Dasenbrock-Gammon N., McBride R., Wang X., Wang X., Meyers N., Lawler K., Zurek E. D., Salamat A., Dias R. P. Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures. // Physical Review Letters. 2021. Vol. 126. No. 11. 117003
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.126.117003
UR - https://doi.org/10.1103%2FPhysRevLett.126.117003
TI - Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures.
T2 - Physical Review Letters
AU - Snider, Elliot
AU - Dasenbrock-Gammon, Nathan
AU - McBride, Raymond
AU - Wang, Xiaoyu
AU - Meyers, Noah
AU - Lawler, Keith
AU - Zurek, Eva D.
AU - Salamat, Ashkan
AU - Dias, Ranga P.
AU - Wang, Xiaoyu
PY - 2021
DA - 2021/03/19 00:00:00
PB - American Physical Society (APS)
IS - 11
VL - 126
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2021_Snider,
author = {Elliot Snider and Nathan Dasenbrock-Gammon and Raymond McBride and Xiaoyu Wang and Noah Meyers and Keith Lawler and Eva D. Zurek and Ashkan Salamat and Ranga P. Dias and Xiaoyu Wang},
title = {Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures.},
journal = {Physical Review Letters},
year = {2021},
volume = {126},
publisher = {American Physical Society (APS)},
month = {mar},
url = {https://doi.org/10.1103%2FPhysRevLett.126.117003},
number = {11},
doi = {10.1103/PhysRevLett.126.117003}
}
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