Chinese Physics Letters, volume 37, issue 10, pages 107401
Superconductivity of Lanthanum Superhydride Investigated Using the Standard Four-Probe Configuration under High Pressures
Fang Hong
1
,
Yang Liuxiang
2
,
Shan Pengfei
1, 3
,
Yang Pengtao
1
,
Liu Ziyi
1
,
Sun Jianping
1
,
Yin Yunyu
1
,
Yu Xiaohui
1, 3
,
Cheng Jinguang
1, 3
,
Zhao Zhongxian
1, 3
Publication type: Journal Article
Publication date: 2020-10-01
Journal:
Chinese Physics Letters
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.5
ISSN: 0256307X, 17413540
General Physics and Astronomy
Abstract
Recently, the theoretically predicted lanthanum superhydride, LaH10 ± δ , with a clathrate-like structure was successfully synthesized and found to exhibit a record high superconducting transition temperature T c ≈ 250 K at ∼ 170 GPa, opening a new route for room-temperature superconductivity. However, since in situ experiments at megabar pressures are very challenging, few groups have reported the ∼ 250 K superconducting transition in LaH10 ± δ . Here, we establish a simpler sample-loading procedure that allows a relatively large sample size for synthesis and a standard four-probe configuration for resistance measurements. Following this procedure, we successfully synthesized LaH10 ± δ with dimensions up to 10 × 20 μm2 by laser heating a thin La flake and ammonia borane at ∼ 1700 K in a symmetric diamond anvil cell under the pressure of 165 GPa. The superconducting transition at T c ≈ 250 K was confirmed through resistance measurements under various magnetic fields. Our method will facilitate explorations of near-room-temperature superconductors among metal superhydrides.
Citations by journals
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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1 publication, 1.69%
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Physical Review Letters
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1 publication, 1.69%
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Matter
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1 publication, 1.69%
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Journal of Alloys and Compounds
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1 publication, 1.69%
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Physica Status Solidi - Rapid Research Letters
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1 publication, 1.69%
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Scripta Materialia
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Scripta Materialia
1 publication, 1.69%
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Nature
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Nature
1 publication, 1.69%
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Physics-Uspekhi
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1 publication, 1.69%
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1
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3
4
5
6
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Citations by publishers
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2
4
6
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14
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IOP Publishing
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IOP Publishing
14 publications, 23.73%
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Elsevier
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Elsevier
11 publications, 18.64%
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Springer Nature
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Springer Nature
10 publications, 16.95%
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American Physical Society (APS)
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American Physical Society (APS)
7 publications, 11.86%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
5 publications, 8.47%
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Science in China Press
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Science in China Press, 5, 8.47%
Science in China Press
5 publications, 8.47%
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Wiley
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Wiley
2 publications, 3.39%
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Frontiers Media S.A.
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Frontiers Media S.A.
2 publications, 3.39%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 1.69%
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Uspekhi Fizicheskikh Nauk Journal
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Uspekhi Fizicheskikh Nauk Journal
1 publication, 1.69%
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2
4
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10
12
14
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Fang H. et al. Superconductivity of Lanthanum Superhydride Investigated Using the Standard Four-Probe Configuration under High Pressures // Chinese Physics Letters. 2020. Vol. 37. No. 10. p. 107401.
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Fang H., Yang L., Shan P., Yang P., Liu Z., Sun J., Yin Y., Yu X., Cheng J., Zhao Z. Superconductivity of Lanthanum Superhydride Investigated Using the Standard Four-Probe Configuration under High Pressures // Chinese Physics Letters. 2020. Vol. 37. No. 10. p. 107401.
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TY - JOUR
DO - 10.1088/0256-307X/37/10/107401
UR - https://doi.org/10.1088%2F0256-307X%2F37%2F10%2F107401
TI - Superconductivity of Lanthanum Superhydride Investigated Using the Standard Four-Probe Configuration under High Pressures
T2 - Chinese Physics Letters
AU - Fang, Hong
AU - Yang, Liuxiang
AU - Shan, Pengfei
AU - Yang, Pengtao
AU - Liu, Ziyi
AU - Sun, Jianping
AU - Yin, Yunyu
AU - Yu, Xiaohui
AU - Cheng, Jinguang
AU - Zhao, Zhongxian
PY - 2020
DA - 2020/10/01 00:00:00
PB - IOP Publishing
SP - 107401
IS - 10
VL - 37
SN - 0256-307X
SN - 1741-3540
ER -
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@article{2020_Fang,
author = {Hong Fang and Liuxiang Yang and Pengfei Shan and Pengtao Yang and Ziyi Liu and Jianping Sun and Yunyu Yin and Xiaohui Yu and Jinguang Cheng and Zhongxian Zhao},
title = {Superconductivity of Lanthanum Superhydride Investigated Using the Standard Four-Probe Configuration under High Pressures},
journal = {Chinese Physics Letters},
year = {2020},
volume = {37},
publisher = {IOP Publishing},
month = {oct},
url = {https://doi.org/10.1088%2F0256-307X%2F37%2F10%2F107401},
number = {10},
pages = {107401},
doi = {10.1088/0256-307X/37/10/107401}
}
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MLA
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Fang, Hong, et al. “Superconductivity of Lanthanum Superhydride Investigated Using the Standard Four-Probe Configuration under High Pressures.” Chinese Physics Letters, vol. 37, no. 10, Oct. 2020, p. 107401. https://doi.org/10.1088%2F0256-307X%2F37%2F10%2F107401.