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11 papers · 1 filter
Vortex studies in superconducting Ba(Fe0.93Co0.07)2As2
M. R. Eskildsen, L. Ya. Vinnikov, T. D. Blasius +9
We present small-angle neutron scattering (SANS) and Bitter decoration studies of the superconducting vortices in Ba(FeCo)As}. A highly disordered vortex…
Josephson tunnel junctions with strong ferromagnetic interlayer
A. A. Bannykh, J. Pfeiffer, V. S. Stolyarov +3
The dependence of the critical current density j_c on the ferromagnetic interlayer thickness d_F was determined for Nb/Al_2O_3/Cu/Ni/Nb Josephson tunnel junctions with ferromagneti…
The de Haas - van Alphen Effect Study of the Fermi Surface of ZrB12
V. A. Gasparov, I. Sheikin, F. Levy +2
The de Haas - van Alphen (dHvA) effect in the cluster superconductor ZrB12 was studied by magnetic torque measurements in magnetic fields up to 28 T at temperatures down to 0.35 K.…
Microwave response of a cylindrical cavity made of bulk MgB2 superconductor
A. Agliolo Gallitto, G. Bonsignore, M. Li Vigni +2
We report on the microwave properties of a resonant cylindrical cavity made of bulk MgB2 superconductor, produced by the reactive liquid Mg infiltration process. The frequency resp…
h/e-Periodicity in Superconducting Loops
F. Loder, A. P. Kampf, T. Kopp +3
The magnetic flux periodicity of superconducting loops as well as flux quantization itself are a manifestation of macroscopic quantum phenomena with far reaching implications. They…
Microwave Response of V3Si Single Crystals: Evidence for Two-Gap Superconductivity
Yu. A. Nefyodov, A. M. Shuvaev, M. R. Trunin
The investigation of the temperature dependences of microwave surface impedance and complex conductivity of V3Si single crystals with different stoichiometry allowed to observe a n…