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Related papers: Exploring $\rm Mg^{2+}$ and $\rm Ca^{2+}$ Conducto…

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Medium or high-entropy alloys (MEAs-HEAs) and rhenium-based compounds with a non-centrosymmetric (NC) structure have received a lot of attention for offering a fertile soil in search for unconventional superconductivity. Here, five…

The binary polyhydrides of heavy rare earth lutetium that shares a similar valence electron configuration to lanthanum have been experimentally discovered to be superconductive. The lutetium polyhydrides were successfully synthesized at…

The synthesis of the high-$T_c$ superhydride CaH$_6$ has stimulated significant interest in understanding synthesis pathways for metastable hydrides. However, the microscopic mechanisms governing such hydrogenation reactions remain poorly…

Na-ion batteries (NIBs), which are recognized as a next-generation alternative technology for energy storage, still suffer from commercialization constraints due to the lack of low-cost, high-performance cathode materials. Since our first…

Motivated by advances in hydrogen-rich superconductors in the past decades, we conducted variable-composition structural searches in Mo-H binary system at high pressure. A new composition-pressure phase diagram of thermodynamically stable…

Superconductivity · Physics 2024-01-31 Aiqin Yang , Xiangru Tao , Yundi Quan , Peng Zhang

The response to compression of the clathrate type-II structure Ge(cF136) is investigated by means of \textit{ab initio} small-cell metadynamics at different temperatures and pressures. At lower pressure $p$=2.5 GPa the metastable metallic…

Materials Science · Physics 2022-11-23 Daniele Selli , Igor A. Baburin , Roman Martoňák , Stefano Leoni

Enhancing the critical temperature (TC) is important not only to the practical applications but also to the theories of superconductivity. MgB2 is a type II superconductor with a TC of 39 K, which is very close to the McMillan limit.…

Superconductivity · Physics 2016-08-09 Shuo Tao , Yongbo Li , Guowei Chen , Xiaopeng Zhao

Ca2-xNaxCuO2Cl2 is a structural analogue to the La2-xSrxCuO4 superconductor. By substituting Na+ for Ca2+ mobile holes are introduced into the CuO2 planes. A series of experiments shows that the Na content x depends not only on the pressure…

Superconductivity · Physics 2009-11-11 N. D. Zhigadlo , J. Karpinski

A major bottleneck for the development of Mg batteries is the identification of liquid electrolytes that are simultaneously compatible with the Mg-metal anode and high-voltage cathodes. One strategy to widen the stability windows of current…

Materials Science · Physics 2019-07-09 Tina Chen , Gopalakrishnan Sai Gautam , Pieremanuele Canepa

We report on the structural and superconducting properties of the intermetallic compound BaGaGe. We find that this material undergoes a structural second-order phase transition from the distorted AlB$_2$-type structure (1H, $a$ = 4.3254(2)…

Hybrid electrolyte materials comprising polymer-ionic salt matrixes embedded with garnet particles constitute a promising class of materials for the realization of all-solid-state batteries. In addition to providing solutions to the safety…

Applied Physics · Physics 2021-05-04 Juan C. Verduzco , John N. Vergados , Alejandro Strachan , Ernesto E. Marinero

Coupled structural and electronic phase transitions underlie the multifunctional properties of strongly-correlated materials. For example, colossal magnetoresistance1,2 in manganites involves phase transition from paramagnetic insulator to…

Strongly Correlated Electrons · Physics 2010-03-23 Joyeeta Nag , Richard Haglund , Andrew Payzant , Karren More

Mg2+ effect on the thermal stability of the double-stranded polynucleotide polyIpolyC (IC) under conditions close to physiological ones (0.1M Na+, pH7) was studied by the differential UV spectroscopy. The initial increase of the ion…

Biological Physics · Physics 2020-06-28 V. A. Sorokin , V. A. Valeev , E. L. Usenko , V. A. Karachevtsev

Magnesium-ion batteries hold promise as future energy storage solution, yet current Mg cathodes are challenged by low voltage and specific capacity. Herein, we present an AI-driven workflow for discovering high-performance Mg cathode…

Materials Science · Physics 2025-06-11 Wenjie Chen , Zichang Lin , Xinxin Zhang , Hao Zhou , Yuegang Zhang

The thermodynamics and structural properties of the hexahydride alanates (M2M'AlH6) with the elpasolite structure have been investigated. A series of mixed alkali alanates (Na2LiAlH6, K2LiAlH6 and K2NaAlH6) were synthesized and found to…

Materials Science · Physics 2009-11-11 J. Graetz , Y. Lee , J. J. Reilly , S. Park , T. Vogt

Recently, the pressure has been used as external stimuli to induce structural and magnetic phase transitions in many layered quantum materials whose layers are linked by van der Waals forces. Such materials with weakly held layers allow…

Improving the critical temperature (TC), critical magnetic field (HC), and critical current (JC) of superconducting materials has always been one of the most significant challenges in the field of superconductivity, but progress has been…

Superconductivity · Physics 2023-08-23 Yao Qi , Duo Chen , Yongbo Li , Chao Sun , Qingyu Hai , Miao Shi , Honggang Chen , Xiaopeng Zhao

Ti-based two-dimensional transition-metal carbides (MXenes) have attracted attention due to their superior properties and are being explored across various applications1,2. Despite their versatile properties, superconductivity has never…

The intercalated layered nitride $\beta$-HfNCl has attracted much attention due to the high superconducting transition temperature up to 25.5 K. Electrons can be introduced into $\beta$-$M$NCl ($M$=Zr and Hf) through alkali-metals…

Superconductivity · Physics 2013-05-30 Guojun Ye , Jianjun Ying , Yajun Yan , Xigang Luo , Peng Cheng , Ziji Xiang , Aifeng Wang , Xianhui Chen

Layered transition-metal chalcogenides (Zr,Hf)GeTe$_{4}$ were screened out from database of Atomwork as a candidate for pressure-induced superconductivity due to their narrow band gap and high density of state near the Fermi level. The…