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Motivated by the recent discovery of near-room temperature superconductivity in high-pressure superhydrides, we investigate from first-principles the high-pressure superconducting phase diagram of the ternary Ca-B-H system, using ab-initio…

Superconductivity · Physics 2020-08-26 Simone Di Cataldo , Wolfgang von der Linden , Lilia Boeri

The diverse combinations of novel building blocks offer a vast design space for hydrogen-boned frameworks (HOFs), rendering it a great promise for gas separation and purification. However, the underlying separation mechanism facilitated by…

Chemical Physics · Physics 2025-05-12 Yong Qiu , Lei Wang , Letian Chen , Yun Tian , Zhen Zhou , Jianzhong Wu

A radial velocity follow-up of the long-period sdOB+G1V type spectroscopic binary SB 744 revealed strong lines of fluorine and lead in the optical spectrum of the sdOB star and subsolar metallicity in the G1V companion. With high-quality…

Solar and Stellar Astrophysics · Physics 2021-09-01 Péter Németh , Joris Vos , Francisco Molina , Alexander Bastian

By devising a novel framework, we present a comprehensive theoretical study of solubilities of alkali (Li, Na, K, Rb, Cs) and alkaline earth (Be, Ca, Sr, Ba) metals in the he boron-rich Mg-B system. The study is based on first-principle…

Materials Science · Physics 2009-04-23 Roman Chepulskii , Stefano Curtarolo

A comprehensive thermochemical database is constructed based on high-throughput first-principles phonon calculations of over 3000 atomic structures in Ni, Fe, and Co alloys involving a total of 26 elements including Al, B, C, Cr, Cu, Hf,…

A coarsened model for a binary system with limited miscibility of components is proposed; the system is described in terms of structural states in small parts of the material. The material is assumed to have two alternative types of…

Statistical Mechanics · Physics 2007-05-23 Leonid D. Son , German M. Rusakov , Alexander Z. Patashinski , Mark A. Ratner

Rhenium-based superconductors have recently attracted significant interest due to their unconventional superconducting properties. In this work, we report the synthesis and properties of new superconducting Re$_{7}$X$_{3}$ (X = Nb, Ta, Ti,…

Superconductivity · Physics 2024-02-13 R. K. Kushwaha , P. K. Meena , S. Jangid , P. Manna , S. Srivastava , T. Kumari , S. Sharma , P. Mishra , R. P. Singh

Segregation to defects, in particular to grain boundaries (GBs), is an unavoidable phenomenon leading to changed material behavior over time. With the increase of available computational power, unbiased quantum-mechanical predictions of…

Materials Science · Physics 2025-05-22 Dominik Gehringer , Lorenz Romaner , David Holec

We report the discovery and analysis of 36 new eclipsing EL CVn-type binaries, consisting of a core helium-composition pre-white dwarf and an early-type main-sequence companion, more than doubling the known population of these systems. We…

Solar and Stellar Astrophysics · Physics 2018-02-14 J. van Roestel , T. Kupfer , R. Ruiz-Carmona , P. J. Groot , T. A. Prince , K. Burdge , R. Laher , D. L. Shupe , E. Bellm

Conventionally, high-throughput computational materials searches start from an input set of bulk compounds extracted from material databases, and this set is screened for candidate materials for specific applications. In contrast, many…

Materials Science · Physics 2023-04-11 Rachel Woods-Robinson , Matthew K. Horton , Kristin A. Persson

Binary uranium hydrides, UHx (x = 1, 2, 3, 5, 6, 7, 8), with different crystal symmetries are potentially interesting compounds for high-Tc superconductivity and as hydrogen storage systems. In this work we have explored the structural,…

Materials Science · Physics 2023-06-12 Md. Ashraful Alam , F. Parvin , S. H. Naqib

Energy levels, magnetic dipole, and electric quadrupole hyperfine structure of the superheavy element rutherfordium (Rf, $Z$=104) and its first three ions are calculated using a combination of the configuration interaction, coupled-cluster…

Atomic Physics · Physics 2021-12-14 Saleh O. Allehabi , V. A. Dzuba , V. V. Flambaum

Half-Heusler alloys such as the (Zr,Hf)NiSn intermetallic compounds are important thermoelectric materials for converting waste heat into electricity. Reduced electrical resistivity at the hot interface between the half-Heusler material and…

Materials Science · Physics 2018-12-19 Catalin D. Spataru , Yuping He , François Léonard

Grain boundary segregation controls properties of polycrystalline materials such as their susceptibility to intergranular cracking. It is of interest to engineer alloy chemistry to enhance grain boundary cohesion to prevent intergranular…

Materials Science · Physics 2025-02-04 Nutth Tuchinda , Gregory B. Olson , Christopher A. Schuh

We present our findings of a large-scale screening for new synthesizable materials in five M-Sn binaries, M = Na, Ca, Cu, Pd, and Ag. The focus on these systems was motivated by the known richness of M-Sn properties with potential…

Materials Science · Physics 2025-07-10 Aidan Thorn , Daviti Gochitashvili , Saba Kharabadze , Aleksey N. Kolmogorov

Additively manufactured (AM) aluminum alloys with high strength and thermal stability have broad applications in turbine engines, vacuum pumps, heat exchangers, and many other industrial systems. Employing precipitates with an L1$_2$…

Knowing oxide-forming ability is vital to gain desired or avoid deleterious oxides formation through tuning oxidizing environment and materials chemistry. Here, we have conducted a comprehensive thermodynamic analysis of 137 binary oxides…

Materials Science · Physics 2023-08-14 Shun-Li Shang , Shuang Lin , Michael C. Gao , Darrell G. Schlom , Zi-Kui Liu

In this Letter, three physical predictions on the phase separation of binary systems are derived based on a dynamic transition theory developed recently by the authors. First, the order of phase transitions is precisely determined by the…

Statistical Mechanics · Physics 2010-05-14 Tian Ma , Shouhong Wang

We employed a machine-learning assisted approach to search for superconducting hydrides under ambient pressure within an extensive dataset comprising over 150 000 compounds. Our investigation yielded around 50 systems with transition…

Superconductivity · Physics 2024-03-21 Tiago F. T. Cerqueira , Yue-Wen Fang , Ion Errea , Antonio Sanna , Miguel A. L. Marques

Fast prediction of the synthesizability conditions of materials remains challenging, even assuming synthesis under thermodynamic equilibrium. Approaches solely based on convex stability hulls neglect finite-temperature effects, while…

Materials Science · Physics 2026-05-27 Finja Tadge , Javier Sanz Rodrigo , Andrea Crovetto