Superconductivity at 250 K in lanthanum hydride under high pressures
A. P. Drozdov, P. P. Kong, V. S. Minkov, M. I. Eremets · Full author list (14): A. P. Drozdov, P. P. Kong, V. S. Minkov, S. P. Besedin, M. A. Kuzovnikov, S. Mozaffari, L. Balicas, F. F. Balakirev, D. E. Graf, V. B. Prakapenka, E. Greenberg, D. A. Knyazev, M. Tkacz, M. I. Eremets. Key names shown in authors array.
Summary
The authors synthesized lanthanum superhydride (LaH10) at pressures around 170 GPa and measured a superconducting transition at temperatures up to about 250 K. Evidence including the magnitude of Tc reduction in a magnetic field and an isotope effect supported phonon-mediated, conventional superconductivity. This represented a new record approaching room-temperature superconductivity in compressed hydrides.
Key findings
- Superconductivity up to ~250 K observed in lanthanum hydride (LaH10) near 170 GPa.
- Magnetic-field suppression of Tc and isotope effect support conventional electron-phonon pairing.
- Set a new record Tc, advancing toward room-temperature superconductivity under pressure.
Subjects & keywords
Cite this paper
A. P. Drozdov, P. P. Kong, V. S. Minkov, & M. I. Eremets [Full author list (14): A. P. Drozdov, P. P. Kong, V. S. Minkov, S. P. Besedin, M. A. Kuzovnikov, S. Mozaffari, L. Balicas, F. F. Balakirev, D. E. Graf, V. B. Prakapenka, E. Greenberg, D. A. Knyazev, M. Tkacz, M. I. Eremets. Key names shown in authors array.] (2019). Superconductivity at 250 K in lanthanum hydride under high pressures. Nature. https://doi.org/10.1038/s41586-019-1201-8
@article{drozdov2019superconductivity,
author = {A. P. Drozdov and P. P. Kong and V. S. Minkov and M. I. Eremets and {Full author list (14): A. P. Drozdov, P. P. Kong, V. S. Minkov, S. P. Besedin, M. A. Kuzovnikov, S. Mozaffari, L. Balicas, F. F. Balakirev, D. E. Graf, V. B. Prakapenka, E. Greenberg, D. A. Knyazev, M. Tkacz, M. I. Eremets. Key names shown in authors array.}},
title = {Superconductivity at 250 K in lanthanum hydride under high pressures},
journal = {Nature},
year = {2019},
doi = {10.1038/s41586-019-1201-8},
url = {https://doi.org/10.1038/s41586-019-1201-8}
}