Showing 2014 · cond-mat.supr-conShow all

13 papers · 2 filters

cond-mat.supr-con2014★ 10 cited

Roles of intrinsic anisotropy and pi-band pairbreaking effects on critical currents in tilted c-axis MgB2 films probed by magneto-optical and transport measurements

A. A. Polyanskii, F. Kametani, D. Abraimov +7

Investigations of MgB2 and Fe-based superconductors in recent years have revealed many unusual effects of multiband superconductivity but manifestations of anisotropic multiband ef…

cond-mat.supr-con2014★ 49 cited

Development of very high Jc in Ba(Fe1-xCox)2As2 thin films grown on CaF2

C. Tarantini, F. Kametani, S. Lee +6

Ba(Fe1-xCox)2As2 is the most tunable of the Fe-based superconductors (FBS) in terms of acceptance of high densities of self-assembled and artificially introduced pinning centres wh…

cond-mat.supr-con2014★ 81 cited

Two-stage magnetic-field-tuned superconductor-insulator transition in underdoped LaSrCuO

Xiaoyan Shi, Ping V. Lin, T. Sasagawa +2

In the underdoped pseudogap regime of cuprate superconductors, the normal state is commonly probed by applying a magnetic field (). However, the nature of the -induced resist…

cond-mat.supr-con2014★ 67 cited

Distinguishing spin-orbit coupling and nematic order in the electronic spectrum of iron-based superconductors

Rafael M. Fernandes, Oskar Vafek

The low-energy electronic states of the iron-based superconductors are strongly affected by both spin-orbit coupling and, when present, by the nematic order. These two effects have…

cond-mat.supr-con2014★ 8 cited

Emergence of superconductivity in a doped single-valley quadratic band crossing system of spin-1/2 fermions

Kelly Ann Pawlak, James M. Murray, Oskar Vafek

For two-dimensional single-valley quadratic band crossing systems with weak repulsive electron-electron interactions, we show that upon introducing a chemical potential, particle-h…

cond-mat.supr-con2014★ 4 cited

Internal static electric and magnetic field at the copper cite in a single crystal of the electron-doped high-T superconductor PrCeCuO

Guoqing Wu, F. Zamborszky, A. P. Reyes +3

We report Cu-NMR spectroscopy and Knight shift measurements on a single crystal of the electron-doped high- superconductor PrCeCuO (PCCO…

cond-mat.supr-con2014★ 1 cited

Breakdown of the Fermi arcs in underdoped cuprates by incommensurate charge density waves

Lev P. Gor'kov

We studied interactions between the coherent excitations on disconnected arcs along a bare Fermi surface (the so-called Fermi arcs (FAs)) seen by angle-resolved photo emission spec…

cond-mat.supr-con2014★ 98 cited

Comparison of grain texture in round Bi2212 and flat Bi2223 superconducting wires and its relation to high critical current densities

F. Kametani, J. Jiang, M. Matras +3

Why Bi2Sr2CaCu2Ox (Bi2212) allows high critical current density Jc in round wires rather than only in the anisotropic tape form demanded by all other high temperature superconducto…

cond-mat.supr-con2014★ 559 cited

A Trapped Field of 17.6 T in Melt-Processed, Bulk Gd-Ba-Cu-O Reinforced with Shrink-Fit Steel

John H. Durrell, Anthony R. Dennis, Jan Jaroszynski +8

The ability of large grain, REBaCuO [(RE)BCO; RE = rare earth] bulk superconductors to trap magnetic field is determined by their critical current. With high tr…

cond-mat.supr-con2014★ 187 cited

Anomalous Fermi surface in FeSe seen by Shubnikov-de Haas oscillation measurements

Taichi Terashima, Naoki Kikugawa, Andhika Kiswandhi +15

We have observed Shubnikov-de Haas oscillations in FeSe. The Fermi surface deviates significantly from predictions of band-structure calculations and most likely consists of one el…

cond-mat.supr-con2014★ 6 cited

Electrodynamics of superconducting pnictide superlattices

A. Perucchi, F. Capitani, P. Di Pietro +8

It has been recently reported (S. Lee et al., Nature Materials 12, 392, 2013) that superlattices where layers of the 8% Co-doped BaFe2As2 superconducting pnictide are intercalated…

cond-mat.supr-con2014★ 63 cited

Topological Weyl Superconductor to Diffusive Thermal Hall Metal Crossover in the B-Phase of UPt

Pallab Goswami, Andriy H. Nevidomskyy

The recent phase sensitive measurements in the superconducting -phase of UPt provide strong evidence for the triplet, chiral pairing symmetries, which…

cond-mat.supr-con2014★ 51 cited

The magnetic phase diagram of underdoped YBa2Cu3Oy inferred from torque magnetization and thermal conductivity

Fan Yu, Max Hirschberger, Toshinao Loew +11

Strong evidence for charge-density correlation in the underdoped phase of the cuprate YBa2Cu3Oy was obtained by nuclear magnetic resonance (NMR) and resonant x-ray scatter- ing. Th…