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We predict the possibility of realizing room-temperature superconductivity in different 2D domains within the ceramic high-Tc cuprates at ambient pressure and experimentally confirm this prediction of 2D room-temperature superconductivity…

Superconductivity · Physics 2024-01-08 S. Dzhumanov , D. D. Gulamova , Sh. S. Djumanov

The superconducting properties of small metallic grains has been a topic of active research for half a century now. Early experiments demonstrated a remarkable rise in the critical temperature, $T_{c}$, with reducing grain size in a variety…

Superconductivity · Physics 2017-04-19 Sabyasachi Tarat , Yuval Oreg , Yoseph Imry

Hyperbolic propagation offers exciting opportunities in nanophotonics, from sub-diffraction imaging to enhanced local density of states. This transport regime is typically induced by strong modulation of conductivity, i.e., with alternating…

Optics · Physics 2019-01-16 Yarden Mazor , Andrea Alù

Symmetry plays an important role in determining the physical properties in condensed matter physics, as the symmetry operations of any physical property must include the symmetry operations of the point group of the crystal. As a…

Superconductivity · Physics 2024-10-29 Shangfei Wu , Fei-Ting Huang , Xianghan Xu , Ethan T. Ritz , Turan Birol , Sang-Wook Cheong , Girsh Blumberg

Discovery of superconductivity at megabar (MB) pressures in hydrogen sulfide H3S, then in metal polyhydrides, starting with binary, LaH10, etc., and ending with ternary ones, including (La, Y)H10, revolutionized the field of condensed…

The discovery of high critical temperature T_{c} superconductivity in highly compressed H_{3}S has opened up the question of searching for strong electron-phonon coupling in the hydrides outside the transition metal series. The specific…

Superconductivity · Physics 2019-08-08 P. -H. Chang , S. Silayi , D. A. Papaconstantopoulos , M. J. Mehl

The increase of energy in accelerators over the past decades has led to the design of superconducting magnets for both accelerators and the associated detectors. The use of Nb-Ti superconducting materials allows an increase in the dipole…

Accelerator Physics · Physics 2015-01-29 P Védrine

Recent progress in understanding the topological properties of condensed matter has led to the discovery of time-reversal invariant topological insulators. Because of limitations imposed by nature, topologically non-trivial electronic order…

We describe high-Tc superconductivity in layered materials within a BCS theory as a BEC of massless-like Cooper pairons satisfying a linear dispersion relation, and propagating within quasi-2D layers of finite width defined by the charge…

Superconductivity · Physics 2017-08-23 C. Villarreal , M. de Llano

Resistivity, thermoelectric power and heat capacity are investigated in the ferromagnetic superconductor RuSr2GdCu2O8 with and without Zn substitution. The thermodynamic signatures of the ordering of the Ru moments and the paramagnetic Gd…

Superconductivity · Physics 2007-05-23 J. L. Tallon , J. W. Loram , G. V. M. Williams , C. Bernhard

The electronic properties of multilayers of strongly correlated models for cuprate superconductors are investigated using cluster dynamical mean-field techniques. We focus on combinations of underdoped and overdoped layers and find that the…

Strongly Correlated Electrons · Physics 2009-11-13 Satoshi Okamoto , Thomas A. Maier

We report the discovery of superconductivity in the ternary aluminide Nb$_{5}$Sn$_{2}$Al, which crystallizes in the W$_{5}$Si$_{3}$-type structure with one-dimensional Nb chains along the $c$-axis. It is found that the compound has a…

Superconductivity · Physics 2019-02-12 Jifeng Wu , Bin Liu , Yanwei Cui , Hangdong Wang , Zhicheng Wang , Zhi Ren , Guanghan Cao

Oxide interfaces feature unique two-dimensional (2D) electronic systems with diverse electronic properties such as tunable spin-orbit interaction and superconductivity. Conductivity emerges in these interfaces when the thickness of an…

Superconductivity · Physics 2024-02-23 I. Silber , A. Azulay , A. Basha , D. Ketchker , M. Baskin , A. Yagoda , L. Kornblum , A. Kohn , Y. Dagan

Synchrotron X-ray diffraction has been used to study the thermal structure evolution in CuBa2Ca3Cu4O10+d (Cu1234), a superconductor which exhibits a high critical temperature (Tc 118 K), high critical current density and large upper…

While topological superconductors are predicted to provide building blocks for fault-tolerant quantum computing, one of the remaining challenges is to find a convenient experimental platform that would allow patterning of circuits. We find…

Mesoscale and Nanoscale Physics · Physics 2016-10-28 Jerome T. Mlack , Atikur Rahman , Gopinath Danda , Natalia Drichko , Sarah Friedensen , Marija Drndic , Nina Markovic

Convection offers a dynamic and flexible approach to achieving a variety of novel physical phenomena beyond pure conduction. Here, we demonstrate that thermal metamaterials with convection modulation enable the realization of non-Hermitian…

Applied Physics · Physics 2025-01-29 Zhoufei Liu , Jiping Huang , Ying Li

The superconducting transition temperature $T_c$ of the two-dimensional attractive Hubbard model is computed in the vicinity of both ordinary (logarithmic) and higher-order (power-law) Van Hove singularities using determinant quantum Monte…

Strongly Correlated Electrons · Physics 2026-04-16 Gustav Romare , Daniel Shaffer , Alex Levchenko , Edwin Huang , Ilya Esterlis

Predicting the transition temperature, Tc, of a superconductor from Periodic Table normal state properties is regarded as one of the grand challenges of superconductivity. By studying the correlations of Periodic Table properties with known…

General Physics · Physics 2012-04-03 O. Paul Isikaku-Ironkwe

Chemical doping is a critical factor in the development of new superconductors or optimizing the superconducting transition temperature (Tc) of the parent superconducting materials. Herein, a new simple urea approach is developed to…

Below a certain temperature Tc (typically cryogenic), some materials lose their electric resistance R entering a superconducting state. Folowing the general trend toward a large scale integration of a greater number of electronic…

Superconductivity · Physics 2015-06-25 Maciej Zgirski , Karri-Pekka Riikonen , Vladimir Touboltsev , Konstantin Arutyunov