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相关论文: Ternary inorganic compounds containing carbon, nit…

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Computational searches for new materials are naturally turning from binary systems, to ternary and other multicomponent systems, and beyond. Here, we select the industrially-relevant metals titanium and aluminium and report the results of…

材料科学 · 物理学 2021-12-16 Joseph R. Nelson , Richard J. Needs , Chris J. Pickard

The abundant chemical compositions in ternary hydrides bring much more possibility to explore high temperature superconductors under lower pressure. Here we constructed 115 ternary hydrides on the basis of the elements substitution using 16…

超导电性 · 物理学 2024-11-19 Bangshuai Zhu , Dexi Shao , Cuiying Pei , Qi Wang , Juefei Wu , Yanpeng Qi

Exploratory synthesis in novel chemical spaces is the essence of solid-state chemistry. However, uncharted chemical spaces can be difficult to navigate, especially when materials synthesis is challenging. Nitrides represent one such space,…

A high-throughput screening based on first-principles calculations was performed to search for new ternary inorganic electrides. From the available materials database, we identified three new thermodynamically stable materials…

材料科学 · 物理学 2019-02-13 Junjie Wang , Qiang Zhu , Zhenhai Wang , Hideo Hosono

Ternary or more complex hydrogen-rich hydrides are the main hope of reaching room-temperature superconductivity at high pressures. Their chemical space is vast and its exploration is challenging. Here we report the investigation of the…

超导电性 · 物理学 2023-12-13 Grigoriy Shutov , Dmitrii Semenok , Ivan A. Kruglov , Artem R. Oganov

Polynitrogen compounds have attracted great interest due to their potential applications as high energy density materials. Most recently, a rich variety of alkali polynitrogens (R_{x}N_{y}; R=Li, Na, and Cs) have been predicted to be stable…

材料科学 · 物理学 2018-02-07 Brad A. Steele , Ivan I. Oleynik

Fe, Mg, and O are among the most abundant elements in terrestrial planets. While the behavior of the Fe-O, Mg-O, and Fe-Mg binary systems under pressure have been investigated, there are still very few studies of the Fe-Mg-O ternary system…

The physicochemical behavior of elements and compounds is heavily altered by high pressure. The occurrence of pressure-induced reactions and phase transitions can be revealed by crystal structure prediction approaches. In this work, we…

材料科学 · 物理学 2016-03-09 Gabriele Saleh , Artem R. Oganov

Nitrogen hydrides, including ammonia (NH3), hydrazine (N2H4), hydrazoic acid (HN3) and etc, are compounds of great fundamental and applied importance. Their high-pressure behavior is important because of their abundance in giant planets and…

材料科学 · 物理学 2016-04-26 Guang-Rui Qian , Haiyang Niu , Chao-Hao Hu , Artem R. Oganov , Qingfeng Zeng , Huai-Ying Zhou

Carbon monoxide and nitrogen are among the potentially interesting high-energy density materials. However, in spite of the physical similarities of the molecules, they behave very differently at high pressures. Using density functional…

材料科学 · 物理学 2013-12-06 Zamaan Raza , Chris J. Pickard , Carlos Pinilla , A. Marco Saitta

The development of new high dielectric materials is essential for advancement in modern electronics. Oxides are generally regarded as the most promising class of high dielectric materials for industrial applications as they possess both…

材料科学 · 物理学 2019-09-11 Jingyu Qu , David Zageceta , Weiwei Zhang , Qiang Zhu

Over the past decade, a combination of crystal structure prediction techniques and experimental synthetic work has thoroughly explored the phase diagrams of binary hydrides under pressure. The fruitfulness of this dual approach is…

超导电性 · 物理学 2022-02-21 Katerina P. Hilleke , Eva Zurek

A thorough in situ characterization of materials at extreme conditions is challenging, and computational tools such as crystal structural search methods in combination with ab initio calculations are widely used to guide experiments by…

材料科学 · 物理学 2018-11-14 Maximilian Amsler , Vinay I. Hegde , Steven D. Jacobsen , Chris Wolverton

Exploring the chemistry of materials at high pressures has lead to the discovery of previously unknown exotic compounds. Here, we systematically search for all thermodynamically stable Sr-C compounds under pressure (up to 100 GPa) using the…

材料科学 · 物理学 2025-06-30 Nikita Rybin , Evgeny Moerman , Pranab Gain , Artem R. Oganov , Alexander Shapeev

Terrestrial exoplanets are of great interest for being simultaneously similar to and different from Earth. Their compositions are likely comparable to those of solar-terrestrial objects, but their internal pressures and temperatures can…

We search for new superhard B-N-O compounds with an iterative machine learning (ML) procedure, where ML models are trained using sample crystal structures from evolutionary algorithm. We first use cohesive energy to evaluate the…

材料科学 · 物理学 2022-06-22 Wei-Chih Chen , Yogesh K. Vohra , Cheng-Chien Chen

Be-B/B-Ta based compounds are very attractive to researchers because of their high density and ultra-hardness. But ternary Be-B-Ta compounds are neither synthesized nor predicted. In this paper, variable composition evolutionary crystal…

超导电性 · 物理学 2019-08-28 Enamul Haque , M. Anwar Hossain , Catherine Stampfl

We review five years of experimental and theoretical attempts (2020-2025) to enhance the superconducting critical temperature ($\textit{T$_c$}$) of hydrogen-rich compounds by alloying binary superhydrides with additional elements. Despite…

Search of materials with C-N composition hold a great promise in creating materials which would rival diamond in hardness due to the very strong and relatively low-ionic C-N bond. Early experimental and theoretical works on C-N compounds…

The outer crust of a cold nonaccreting neutron star has been generally assumed to be stratified into different layers, each of which consists of a pure body-centered cubic ionic crystal in a charge compensating background of highly…

核理论 · 物理学 2021-03-11 Nicolas Chamel , Anthea Fantina
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