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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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7 papers · 2 filters
Metal-to-insulator crossover and pseudogap in single-layer compound BiSrCuO single crystals in high magnetic fields
S. I. Vedeneev, D. K. Maude
The in-plane and the out-of-plane magneto-transport in magnetic fields up to 28 T has been investigated in a series of high quality, single crystal, hole-doped…
Al substitution in MgB2 crystals: influence on superconducting and structural properties
J. Karpinski, N. D. Zhigadlo, G. Schuck +11
Single crystals of Mg1-xAlxB2 have been grown at a pressure of 30 kbar using the cubic anvil technique. Precipitation free crystals with x < 0.1 were obtained as a result of optimi…
Evidence for Single-gap Superconductivity in Mg(B_{1-x}C_x)_2 Single Crystals with x=0.132 from Point-Contact Spectroscopy
R. S. Gonnelli, D. Daghero, A. Calzolari +6
We report the results of the first directional point-contact measurements in Mg(B_{1-x}C_{x})_2 single crystals with 0.047 <= x <= 0.132. The two-gap superconductivity typical of M…
Critical Field of Al-Doped MgB2 Samples: Correlation with the Suppression of Sigma-Band Gap
M. Putti, C. Ferdeghini, M. Monni +7
In this Letter, the study of the effect of Al substitution on the upper critical field, Bc2, in AlxMg1-xB2 samples is presented. We find a straightforward correlation between Bc2 a…
Two regimes for effects of surface disorder on the zero-bias conductance peak of tunnel junctions involving d-wave superconductors
M. S. Kalenkov, M. Fogelstrom, Yu. S. Barash
Impurity-induced quasiparticle bound states on a pair-breaking surface of a d-wave superconductor are theoretically described, taking into account hybridization of impurity- and su…
Superconductivity in diamond
E. A. Ekimov, V. A. Sidorov, E. D. Bauer +4
We report the discovery of superconductivity in boron-doped diamond synthesized at high pressure (8-9 GPa) and temperature (2,500-2,800 K). Electrical resistivity, magnetic suscept…
Electronic structure of d-wave superconducting quantum wires
A. M. Bobkov, L. -Y. Zhu, S. -W. Tsai +3
We present analytical and numerical results for the electronic spectra of wires of a d-wave superconductor on a square lattice. The spectra of Andreev and other quasiparticle state…