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Related papers: Controlling superconductivity of CeIrIn$_5$ micros…

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The interplay between superconductivity and ferromagnetism has long been pursued as a route to unconventional Josephson effects, yet suitable material platforms remain limited. Here we report Josephson junctions based on epitaxial…

We consider superconducting properties of a two-dimensional Dirac material such as graphene under strain that produces a flat band spectrum in the normal state. We show that in the superconducting state, such a model results in a highly…

Superconductivity · Physics 2016-06-22 V. J. Kauppila , F. Aikebaier , T. T. Heikkilä

SrTiO$_3$, although a wide gap insulator, has long been known to become metallic and superconducting at extremely low doping levels. This has given rise to questions concerning the coexistence or interdependence of metallicity,…

In this study, a method for fabrication of superconducting microstructures that are partially or completely isolated from the substrate has been proposed. Two configurations of suspended microbridges have been suggested, i. e., the first…

Inherent properties of superconducting Bi2Sr2CaCu2O8+x films, such as the high superconducting transition temperature Tc, efficient Josephson coupling between neighboring CuO layers, and fast quasiparticle relaxation dynamics, make them a…

The high field superconducting state in CeCoIn5 has been studied by transverse field muon spin rotation measurements with an applied field parallel to the crystallographic c-axis close to the upper critical field Hc2 = 4.97 T. At magnetic…

Strongly Correlated Electrons · Physics 2015-05-14 J. Spehling , R. H. Heffner , J. E. Sonier , N. Curro , C. H. Wang , B. Hitti , G. Morris , E. D. Bauer , J. L. Sarrao , F. J. Litterst , H. -H. Klauss

We address the fundamental question of crossover from localized to itinerant state of a paradigmatic heavy fermionmaterial CeIrIn5. The temperature evolution of the one electron spectra and the optical conductivity is predicted from first…

Strongly Correlated Electrons · Physics 2009-11-13 J. H. Shim , K. Haule , G. Kotliar

We report deterministic control over moir\'e superlattice interference pattern in twisted bilayer graphene by implementing designable device-level heterostrain with process-induced strain engineering, a widely used technique in industrial…

Mesoscale and Nanoscale Physics · Physics 2023-04-04 Tara Peña , Aditya Dey , Shoieb A. Chowdhury , Ahmad Azizimanesh , Wenhui Hou , Arfan Sewaket , Carla L. Watson , Hesam Askari , Stephen M. Wu

In this research, it is shown that there are the necessary physical conditions to originate the returning superconductivity in the thin interface layer at the contact between the normal metal and the high temperature superconductor (N-S…

Superconductivity · Physics 2013-01-25 Oleg P. Ledenyov , Valery A. Frolov

One of the fascinating properties of the new families of two-dimensional crystals is their high stretchability and the possibility to use external strain to manipulate, in a controlled manner, their optical and electronic properties. Strain…

Mesoscale and Nanoscale Physics · Physics 2015-07-24 Rafael Roldán , Andres Castellanos-Gomez , Emmanuele Cappelluti , Francisco Guinea

The issue concerning the nature and the role of microstructural inhomogeneities in iron chalcogenide superconducting crystals of FeTe0.65Se0.35 and their correlation with transport properties of this system was addressed. Presented data…

We studied experimentally the effect of a stripe-like domain structure in a ferromagnetic BaFe_{12}O_{19} substrate on the magnetoresistance of a superconducting Pb microbridge. The system was designed in such a way that the bridge is…

The pressure-temperature phase diagrams of the heavy fermion antiferromagnet CeRhIn$_5$ and the heavy fermion superconductor CeCoIn$_5$ have been studied under hydrostatic pressure by ac calorimetry and ac susceptibility measurements using…

Strongly Correlated Electrons · Physics 2016-08-16 G Knebel , M-A Méasson , B Salce , D Aoki , D Braithwaite , J P Brison , J Flouquet

The crystal structure of the recently discovered heavy-fermion (HF) superconductor CeCoIn5 (Tc = 2.3 K) has been determined by high-resolution neutron powder diffraction. It is tetragonal (space group P4/mmm), with lattice parameters a =…

Strongly Correlated Electrons · Physics 2009-11-07 E. G. Moshopoulou , J. L. Sarrao , P. G. Pagliuso , N. O. Moreno , J. D. Thompson , Z. Fisk , R. M. Ibberson

Strontium titanate has resurfaced as a material prompting vigorous debate about the origin of its superconductivity in the extremely low carrier concentration regime. Here, we used simultaneous AC susceptibility and transport methods to…

Superconductivity · Physics 2019-12-19 Chloe Herrera , Ilya Sochnikov

With understood exceptions, conventional superconductivity does not coexist with long-range magnetic order[1]. In contrast, unconventional superconductivity develops near a boundary separating magnetically ordered and magnetically…

Superconductivity · Physics 2007-05-23 Tuson Park , F. Ronning , H. Q. Yuan , M. B. Salamon , R. Movshovich , J. L. Sarrao , J. D. Thompson

FeSe-derived superconductors show some unique behaviors relative to iron-pnictide superconductors, which are very helpful to understand the mechanism of superconductivity in high-Tc iron-based superconductors. The low-energy electronic…

Superconductivity · Physics 2014-12-17 X. F. Lu , N. Z. Wang , H. Wu , Y. P. Wu , D. Zhao , X. Z. Zeng , X. G. Luo , T. Wu , W. Bao , G. H. Zhang , F. Q. Huang , Q. Z. Huang , X. H. Chen

We present a joint experimental and theoretical study of the superconducting phase of the layered binary silicide BaSi2. Compared with the layered AlB2 structure of graphite or diboride-like superconductors, in the hexagonal structure of…

Cuprate high temperature superconductors consist of two quasi-two-dimensional (2D) substructures: CuO2 superconducting layers and charge reservoir layers. The superconductivity is realized by charge transfer from the charge reservoir layers…

Superconductivity · Physics 2016-10-13 Lili Wang , Xucun Ma , Qi-Kun Xue

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…

Superconductivity · Physics 2022-02-21 Katerina P. Hilleke , Eva Zurek
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