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Related papers: Ternary Inorganic Electrides with mixed bonding

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The theoretical exploration of the phase diagrams of binary hydrides under pressure using \emph{ab initio} crystal structure prediction techniques coupled with first-principles calculations has led to the \emph{in silico} discovery of…

Superconductivity · Physics 2019-02-25 Eva Zurek , Tiange Bi

Here we demonstrate that significant progress in this area may be achieved by introducing structural elements that form hydrogen bonds with environment. Considering several examples of hybrid framework materials with different structural…

The recent high-pressure experimental discovery of superconductivity in (La,Y)H$_{10}$, (La,Ce)H$_{9}$, (La,Ce)H$_{10}$, (Y,Ce)H$_{9}$, and (La,Nd)H$_{10}$ shows that the ternary rare-earth clathrate hydride can be promising candidate for…

Superconductivity · Physics 2024-02-02 Peng Song , Zhufeng Hou , Kenta Hongo , Ryo Maezono

New equiatomic nickel germanides MgNiGe, SrNiGe, and BaNiGe have been synthesized from the elements in sealed tantalum tubes using a high-frequency furnace. The compounds were investigated by X-ray diffraction both on powders and single…

Materials Science · Physics 2012-12-10 Viktor Hlukhyy , Lisa Siggelkow , Thomas F. Fässler

The structural, electronic, and elastic properties of three mixed transition metal carbonitrides TiNxC1-x, ZrNxC1-x, and HfNxC1-x (0<x<1) with the rock-salt structure were calculated at ambient and elevated up to 50 GPa hydrostatic…

Materials Science · Physics 2014-03-11 V. Krasnenko , M. G. Brik

A wide variety of experimental results and theoretical investigations in recent years have convincingly demonstrated that several transition metal oxides and other materials, have dominant states that are not spatially homogeneous. This…

Strongly Correlated Electrons · Physics 2009-11-11 Elbio Dagotto

Discovery of high-temperature superconductivity in hydrogen-rich compounds has fuelled the enthusiasm for finding materials with more promising superconducting properties among hydrides. However, the ultrahigh pressure needed to synthesize…

Superconductivity · Physics 2021-09-22 Miao Gao , Xun-Wang Yan , Zhong-Yi Lu , Tao Xiang

First-principles calculations were performed, and the results from the study of structural, electronic and elastic properties of zincblende III-arsenide binary compounds (BAs, AlAs, GaAs and InAs) are presented. These properties have been…

Materials Science · Physics 2019-11-28 Umang Agarwal , Satish Chandra , Virendra Kumar

Metal hydrides can be tuned to have a diverse range of properties and find applications in hydrogen storage and superconductivity. Finding methods to control the synthesis of hydrides can open up new pathways to unlock novel hydride…

First-principles crystal structure search is performed to predict novel rubidium poly-nitrogen materials at high pressure by varying the stoichiometry, i. e. relative quantities of the constituent rubidium and nitrogen atoms. Three…

Materials Science · Physics 2017-11-29 Ashley S. Williams , Brad A. Steele , van I. Oleynik

The pressure- and anion-dependent electronic structure of EuX (X=Te, Se, S, O) monochalcogenides is probed with element- and orbital-specific X-ray absorption spectroscopy in a diamond anvil cell. An isotropic lattice contraction enhances…

Materials Science · Physics 2009-11-13 Narcizo M. Souza-Neto , Daniel Haskel , Yuan-Chieh Tseng , Gerard Lapertot

In conventional electrides, excess electrons are localized in crystal voids to serve as anions. Most of these electrides are metallic and the metal cations are primarily from the s-block, d-block, or rare-earth elements. Here, we report a…

Materials Science · Physics 2025-03-05 Jiaqi Dai , Feng Yang , Cong Wang , Fei Pang , Zhihai Cheng , Wei Ji

A compound with metallic electrical conductivity usually has a considerable total thermal conductivity because both electrons and photons contribute to thermal transport. Here, we show an exceptional example of iridium oxide, Bi3Ir3O11,…

The discovery of pressurized superconductivity at 80 K in La3Ni2O7 officially brings nickelates into the family of high-temperature superconductors, which gives rise to not only new insights but also mysteries in the strongly correlated…

Lanthanum hydride LaH$_{10}$ with a sodalitelike clathrate structure was experimentally realized to exhibit a room-temperature superconductivity under megabar pressures. Based on first-principles calculations, we reveal that the metal…

Superconductivity · Physics 2021-02-17 Seho Yi , Chongze Wang , Hyunsoo Jeon , Jun-Hyung Cho

Following the idea that hydrogen-rich compounds might be high-T$_c$ superconductors at high pressures, and the very recent breakthrough in predicting and synthesizing hydrogen sulfide with record-high T$_c$ = 203 K, ab initio evolutionary…

Superconductivity · Physics 2017-04-19 M. M. Davari Esfahani , A. R. Oganov , H. Niu , J. Zhang

Infrared spectroscopy has emerged as a premier experimental technique to probe enigmatic effects arising from strong correlations in solids. Here we report on recent advances in this area focusing on common patterns in correlated electron…

Superconductivity · Physics 2009-11-11 S. V. Dordevic , D. N. Basov

By replacing the alkali element in the newly discovered K2Mo3As3 superconductor, we successfully synthesized ternary molybdenum pnictides Rb2Mo3As3 and Cs2Mo3As3 through solid state reaction method. Powder X-ray diffraction analysis reveals…

Superconductivity · Physics 2018-05-30 Kang Zhao , Qing-Ge Mu , Tong Liu , Bo-Jin Pan , Bin-Bin Ruan , Lei Shan , Gen-Fu Chen , Zhi-An Ren

Oxides have many potentially desirable characteristics for thermoelectric applications, including low cost and stability at high temperatures, but thus far there are few known high $zT$ $n$-type oxide thermoelectrics. In this work, we use…

Materials Science · Physics 2016-07-18 Kevin F. Garrity

In this review, from crystallographic symmetry to amorphous local polyhedra arrangement and combinations, we examine inorganic solid state electrolytes through the lens of structure property relationships, with oxides, sulfides, and halides…

Materials Science · Physics 2026-04-21 Denys Butenko , Mustafa Khan , Liusuo Wu , Jinlong Zhu