Current Opinion in Solid State and Materials Science, том 24, издание 2, номер публикации: 100808

On Distribution of Superconductivity in Metal Hydrides

Тип документаJournal Article
Дата публикации2020-04-19
Название журналаCurrent Opinion in Solid State and Materials Science
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ1
Импакт-фактор 202112.86
General Materials Science
Краткое описание
Using the data on the superconducting critical temperature ($T_{C}$) for a number of metal hydrides, we found a rule that makes it possible to predict the maximum $T_{C}$ based only on the information about the electronic structure of metal atoms. Using this guiding principle, we explored the hydride systems for which no reliable information existed, predicted new higher hydrides in the K-H, Zr-H, Hf-H, Ti-H, Mg-H, Sr-H, Ba-H, Cs-H, and Rb-H systems at high pressures, and calculated their $T_{C}$. Results of the study of actinides and lanthanides show that they form highly symmetric superhydrides $XH_{7-9}$. However, actinide hydrides do not exhibit high-temperature superconductivity (except Th-H system) and might not be considered as promising materials for experimental studies, as well as all $d^m$-elements with m > 4, including metal hydrides of the noble elements. Designed neural network allowing the prediction of $T_{C}$ of various hydrides shows good accuracy and was used to estimate upper limit for $T_{C}$ of the materials with absence of the data. The developed rule, based on regular behavior of the maximum achievable critical temperature as a function of number of $d+f$ electrons, enables targeted predictions about the existence of new high-$T_{C}$ superconductors.
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1. Semenok D.V. и др. On Distribution of Superconductivity in Metal Hydrides // Current Opinion in Solid State and Materials Science. 2020. Т. 24. № 2. С. 100808.


DO - 10.1016/j.cossms.2020.100808

UR -

TI - On Distribution of Superconductivity in Metal Hydrides

T2 - Current Opinion in Solid State and Materials Science

AU - Semenok, Dmitrii V.

AU - Kruglov, Ivan A.

AU - Savkin, Igor A.

AU - Kvashnin, Alexander G.

AU - Oganov, Artem R.

PY - 2020

DA - 2020/04

PB - Elsevier BV

SP - 100808

IS - 2

VL - 24

SN - 1359-0286

ER -

BibTex |


doi = {10.1016/j.cossms.2020.100808},

url = {},

year = 2020,

month = {apr},

publisher = {Elsevier {BV}},

volume = {24},

number = {2},

pages = {100808},

author = {Dmitrii V. Semenok and Ivan A. Kruglov and Igor A. Savkin and Alexander G. Kvashnin and Artem R. Oganov},

title = {On Distribution of Superconductivity in Metal Hydrides},

journal = {Current Opinion in Solid State and Materials Science}


Semenok, Dmitrii V. et al. “On Distribution of Superconductivity in Metal Hydrides.” Current Opinion in Solid State and Materials Science 24.2 (2020): 100808. Crossref. Web.