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We generalize the conditions for stable electrodeposition at isotropic solid-solid interfaces using a kinetic model which incorporates the effects of stresses and surface tension at the interface. We develop a stability diagram that shows…

Materials Science · Physics 2017-11-07 Zeeshan Ahmad , Venkatasubramanian Viswanathan

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…

Materials Science · Physics 2016-04-26 Guang-Rui Qian , Haiyang Niu , Chao-Hao Hu , Artem R. Oganov , Qingfeng Zeng , Huai-Ying Zhou

The discovery of near-room-temperature superconductivity in compressed hydrides has sparked intensive research efforts to identify superconducting hydrides stable at low or even ambient pressures. Herein, we demonstrate a new mechanism for…

Superconductivity · Physics 2025-06-03 Wendi Zhao , Shumin Guo , Tiancheng Ma , Zhengtao Liu , Chengda Li , Defang Duan , Tian Cui

Ru$_3$Sn$_7$, an intermetallic compound with advanced catalytic properties, exhibits a complex crystal structure and intriguing electronic properties, making it an attractive candidate for investigations under high-pressure (HP). The…

Materials Science · Physics 2025-05-07 K. A. Irshad , P. Anees , Hrudananda Jena , Boby Joseph

SnxSey crystalline compounds consisting of Sn and Se atoms of varying composition are systematically investigated at pressures from 0 to 100 GPa using the first-principles evolutionary crystal structure search method based on density…

Materials Science · Physics 2017-09-25 Kien Nguyen-Cong , Joseph M. Gonzalez , Brad A. Steele , Ivan I. Oleynik

It has been suggested that hydrogen may metallise at lower pressures if it is ``precompressed''. Here we introduce a search strategy for predicting high-pressure structures and apply it to silane using first-principles electronic structure…

Materials Science · Physics 2009-11-11 Chris J. Pickard , R. J. Needs

High pressure electrical resistivity and x-ray diffraction experiments have been performed on Fe single crystals. The crystallographic investigation provides direct evidence that in the martensitic $bcc \rightarrow hcp$ transition at 14 GPa…

Superconductivity · Physics 2015-06-16 C. S. Yadav , G. Seyfarth , P. Pedrazzini , H. Wilhelm , R. Černý , D. Jaccard

Atomic and electronic structures of Cu2H and CuH have been investigated by high pressure NMR spectroscopy, X-ray diffraction and ab-initio calculations. Metallic Cu2H was synthesized at a pressure of 40 GPa, and semi-metallic CuH at 90 GPa,…

Structural, magnetic and electrical-transport properties of {\alpha}-LiFeO2, crystallizing in the rock salt structure with random distribution of Li and Fe ions, have been studied by synchrotron X-ray diffraction, 57Fe M\"ossbauer…

Strongly Correlated Electrons · Physics 2017-09-29 Samar Layek , Eran Greenberg , Weiming Xu , Gregory Kh. Rozenberg , Moshe P. Pasternak , Jean-Paul Itié , Dániel G. Merkel

Structural changes in REMnO3 (RE= Y, Ho, Lu) under high pressure were examined by synchrotron x-ray diffraction methods at room temperature. Compression occurs more readily in the ab plane than along the c-axis. Under hydrostatic pressure…

Materials Science · Physics 2015-05-20 P. Gao , Z. Chen , T. A. Tyson , T. Wu , K. H. Ahn , Z. Liu , R. Tappero , S. B. Kim , S. -W. Cheong

Superconductors based on transition metal dichalcogenides are of substantial current relevance, towards attaining topological superconductivity. Here we report a detailed study on the synthesis and electromagnetic characterization of…

Superconductivity · Physics 2023-08-11 K. Yadav , M. Lamba , M. Singh , A. Kumar , S. Patnaik

Inspired by the synthesis of the high-pressure Fm-3m LaH10 superconducting superhydride, systematic density functional theory (DFT) calculations are performed to study ternaries that could be derived from it by replacing two of the hydrogen…

Superconductivity · Physics 2024-01-02 Nisha Geng , Katerina P. Hilleke , Francesco Belli , Pratik Kumar Das , Eva Zurek

It is well known that pressure causes profound changes in the properties of atoms and chemical bonding, leading to the formation of many unusual materials. Here we systematically explore all stable calcium carbides at pressures from ambient…

Materials Science · Physics 2015-05-14 Yan-Ling Li , Sheng-Nan Wang , Artem R. Oganov , Huiyang Gou , Jesse S. Smith , Timothy A. Strobel

We report resistivity measurement under pressure in single crystals of SrFe_2As_2, which is one of the parent materials of Fe-based superconductors. The structural and antiferromagnetic (AFM) transition of T_0 = 198 K at ambient pressure is…

Superconductivity · Physics 2009-11-13 H. Kotegawa , H. Sugawara , H. Tou

Hydrides are considered to be one of the most promising families of compounds for achieving high temperature superconductivity. However, there are very few experimental reports of ambient-pressure hydride superconductivity, and the…

Superconductivity · Physics 2026-03-18 Antonio Sanna , Tiago F. T. Cerqueira , Ekin Dogus Cubuk , Ion Errea , Yue-Wen Fang

SrxBi2Se3 is recently reported to be a superconductor derived from topological insulator Bi2Se3. It shows a maximum resistive Tc of 3.25 K at ambient pressure. We report magnetic (upto 1 GPa) and transport properties (upro 8 Gpa) under…

High-pressure superconductivity in a rare-earth doped Ca0.86Pr0.14Fe2As2 single crystalline sample has been studied up to 12 GPa and temperatures down to 11 K using designer diamond anvil cell under a quasi-hydrostatic pressure medium. The…

The squeezing of soft solids, the constrained growth of biological tissues, and the swelling of soft elastic solids such as gels can generate large compressive stresses at their surfaces. This causes the otherwise smooth surface of such a…

Soft Condensed Matter · Physics 2014-07-09 Tuomas Tallinen , John S. Biggins , L. Mahadevan

Zhou et al., in their recent publication (Nat. Commun. 16, 1135, 2025), reported the synthesis of lanthanum superhydride, LaHx (x = 10.2-11.1), by laser heating LaH3 with NH3BH3 at a pressure of 170 GPa and investigated the temporal…

We report the results of the X-ray diffraction study of B2O3 glass in the pressure interval up to 10 GPa in the 300-700 K temperature range, the results of in-situ volumetric measurements of the glass at pressures up to 9 GPa at room…

Disordered Systems and Neural Networks · Physics 2008-07-19 V. V. Brazhkin , Y. Katayama , K. Trachenko , O. B. Tsiok , A. G. Lyapin , Emilio Artacho , M. Dove , G. Ferlat , Y. Inamura , H. Saitoh