Advanced Materials, volume 34, issue 27, pages 2200924
Sr‐Doped Superionic Hydrogen Glass: Synthesis and Properties of SrH 22
Chen Wuhao
2
,
Huang Xiaoli
2
,
Zhou Di
1
,
Kruglov Ivan A
3, 4
,
Mazitov Arslan B
3, 4
,
Galasso Michele
1
,
Tantardini Christian
5, 6
,
Gonze Xavier
1, 7
,
Oganov Artem R.
1
,
Tian Cui
2, 8
6
Publication type: Journal Article
Publication date: 2022-06-03
Journal:
Advanced Materials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 29.4
ISSN: 09359648, 15214095
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Recently, several research groups announced reaching the point of metallization of hydrogen above 400 GPa. Despite notable progress, detecting superconductivity in compressed hydrogen remains an unsolved problem. Following the mainstream of extensive investigations of compressed metal polyhydrides, here small doping of molecular hydrogen by strontium is demonstrated to lead to a dramatic reduction in the metallization pressure to ≈200 GPa. Studying the high‐pressure chemistry of the Sr–H system, the formation of several new phases is observed: C2/m‐Sr3H13, pseudocubic SrH6, SrH9 with cubic ‐Sr sublattice, and pseudo tetragonal superionic P1‐SrH22, the metal hydride with the highest hydrogen content (96 at%) discovered so far. High diffusion coefficients of hydrogen in the latter phase DH = 0.2–2.1 × 10−9 m2 s−1 indicate an amorphous state of the H‐sublattice, whereas the strontium sublattice remains solid. Unlike Ca and Y, strontium forms molecular semiconducting polyhydrides, whereas calcium and yttrium polyhydrides are high‐TC superconductors with an atomic H sublattice. The discovered SrH22, a kind of hydrogen sponge, opens a new class of materials with ultrahigh content of hydrogen.
Citations by journals
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1
2
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Physical Review B
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Physical Review B
2 publications, 20%
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Journal of Physical Chemistry Letters
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2 publications, 20%
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npj Computational Materials
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npj Computational Materials
1 publication, 10%
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Inorganic Chemistry
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1 publication, 10%
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Journal of Physics Condensed Matter
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1 publication, 10%
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Advanced Science
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Advanced Science
1 publication, 10%
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Materials Today Physics
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Materials Today Physics
1 publication, 10%
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ACS Omega
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ACS Omega
1 publication, 10%
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1
2
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Citations by publishers
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1
2
3
4
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American Chemical Society (ACS)
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American Chemical Society (ACS)
4 publications, 40%
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American Physical Society (APS)
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American Physical Society (APS)
2 publications, 20%
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Springer Nature
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Springer Nature
1 publication, 10%
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IOP Publishing
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IOP Publishing
1 publication, 10%
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Wiley
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Wiley
1 publication, 10%
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Elsevier
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Elsevier
1 publication, 10%
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1
2
3
4
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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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Semenok D. V. et al. Sr‐Doped Superionic Hydrogen Glass: Synthesis and Properties of SrH 22 // Advanced Materials. 2022. Vol. 34. No. 27. p. 2200924.
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Semenok D. V., Chen W., Huang X., Zhou D., Kruglov I. A., Mazitov A. B., Galasso M., Tantardini C., Gonze X., Kvashnin A. G., Oganov A. R., Tian C. Sr‐Doped Superionic Hydrogen Glass: Synthesis and Properties of SrH 22 // Advanced Materials. 2022. Vol. 34. No. 27. p. 2200924.
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TY - JOUR
DO - 10.1002/adma.202200924
UR - https://doi.org/10.1002%2Fadma.202200924
TI - Sr‐Doped Superionic Hydrogen Glass: Synthesis and Properties of SrH 22
T2 - Advanced Materials
AU - Semenok, Dmitrii V
AU - Chen, Wuhao
AU - Huang, Xiaoli
AU - Kruglov, Ivan A
AU - Oganov, Artem R.
AU - Zhou, Di
AU - Mazitov, Arslan B
AU - Galasso, Michele
AU - Tantardini, Christian
AU - Gonze, Xavier
AU - Tian, Cui
AU - Kvashnin, Alexander G.
PY - 2022
DA - 2022/06/03 00:00:00
PB - Wiley
SP - 2200924
IS - 27
VL - 34
SN - 0935-9648
SN - 1521-4095
ER -
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@article{2022_Semenok,
author = {Dmitrii V Semenok and Wuhao Chen and Xiaoli Huang and Ivan A Kruglov and Artem R. Oganov and Di Zhou and Arslan B Mazitov and Michele Galasso and Christian Tantardini and Xavier Gonze and Cui Tian and Alexander G. Kvashnin},
title = {Sr‐Doped Superionic Hydrogen Glass: Synthesis and Properties of SrH 22},
journal = {Advanced Materials},
year = {2022},
volume = {34},
publisher = {Wiley},
month = {jun},
url = {https://doi.org/10.1002%2Fadma.202200924},
number = {27},
pages = {2200924},
doi = {10.1002/adma.202200924}
}
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Semenok, Dmitrii V., et al. “Sr‐Doped Superionic Hydrogen Glass: Synthesis and Properties of SrH 22.” Advanced Materials, vol. 34, no. 27, Jun. 2022, p. 2200924. https://doi.org/10.1002%2Fadma.202200924.