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19972023
most citedSpatially Resolved Raman Spectroscopy of Single- and Few-Layer Graphene

2.5k citations

Showing 2009 · cond-mat.supr-conShow all

10 papers · 2 filters

cond-mat.supr-con2009★ 2 cited

Influence of carbon on intraband scattering in Mg(B1-xCx)2

M. Matusiak, K. Rogacki, N. D. Zhigadlo +1

We report data on the Hall coefficient (RH) of the carbon substituted Mg(B1-xCx)2 single crystals with x in the range from 0 to 0.1. The temperature dependences of RH obtained for…

cond-mat.supr-con2009★ 9 cited

Field Dependent Superfluid Density in the Optimally Doped SmFeAsO_(1-x)F_y Superconductor

S. Weyeneth, M. Bendele, R. Puzniak +9

The magnetic field dependence of the in-plane magnetic penetration depth for optimally doped SmFeAsO_(1-x)F_y was investigated by combining torque magnetometry, SQUID magnetometry,…

cond-mat.supr-con2009★ 55 cited

Nernst effect in single crystals of the pnictide superconductor CaFe1.92Co0.08As2 and parent compound CaFe2As2

M. Matusiak, Z. Bukowski, J. Karpinski

We report a combined study of the Nernst coefficient (v), Hall effect and thermoelectric power of CaFe2As2 and CaFe1.92Co0.08As2 single crystals. The absolute value of v in both sa…

cond-mat.supr-con2009★ 40 cited

Bulk Superconductivity at 2.6 K in Undoped RbFe_2As_2

Z. Bukowski, S. Weyeneth, R. Puzniak +2

The iron arsenide RbFe_2As_2 with the ThCr_2Si_2-type structure is found to be a bulk superconductor with T_c=2.6 K. The onset of diamagnetism was used to estimate the upper critic…

cond-mat.supr-con2009★ 23 cited

Pressure-induced lattice instabilities and superconductivity in YBa2Cu4O8 and optimally doped YBa2Cu3O7-δ

M. Calamiotou, A. Gantis, E. Siranidi +3

Combined synchrotron angle-dispersive powder diffraction and micro-Raman spectroscopy are used to investigate the pressure-induced lattice instabilities that are accompanied by T$_…

cond-mat.supr-con2009★ 39 cited

Muon-spin rotation measurements of the penetration depth of the Mo_3Sb_7 superconductor

R. Khasanov, P. W. Klamut, A. Shengelaya +4

Measurements of the magnetic field penetration depth λin superconductor Mo_3Sb_7 (T_c~2.1 K) were carried out by means of muon-spin-rotation. The absolute values of λ, the Ginzburg…

cond-mat.supr-con2009

Anomalous asymmetry of the Fermi surface in the YBa2Cu4O8 high temperature superconductor revealed by Angle Resolved Photoemission Spectroscopy

Takeshi Kondo, R. Khasanov, Y. Sassa +10

We use microprobe Angle-Resolved Photoemission Spectroscopy to study the Fermi surface and band dispersion of the CuO2 planes in the high temperature superconductor, YBa2Cu4O8. We…

cond-mat.supr-con2009★ 37 cited

High-field phase-diagram of Fe arsenide superconductors

Y. J. Jo, J. Jaroszynski, A. Yamamoto +13

Here, we report an overview of the phase diagram of single layered and double layered Fe arsenide superconductors at high magnetic fields. Our systematic magnetotransport measureme…

cond-mat.supr-con2009★ 130 cited

Single crystals of LnFeAsO1-xFx (Ln=La, Pr, Nd, Sm, Gd) and Ba1-xRbxFe2As2: growth, structure and superconducting properties

J. Karpinski, N. D. Zhigadlo, S. Katrych +12

A review of our investigations on single crystals of LnFeAsO1-xFx (Ln=La, Pr, Nd, Sm, Gd) and Ba1-xRbxFe2As2 is presented. A high pressure technique has been applied for the growth…

cond-mat.supr-con2009★ 25 cited

Evidence of spin-density-wave order in RFeAsO from measurements of thermoelectric power

M. Matusiak, T. Plackowski, Z. Bukowski +2

Data on the magneto-thermopower and specific heat of three compounds belonging to '1111' oxypnictides family are reported. One specimen (SmAsFeO0.8F0.2) is a superconductor with Tc…