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

2.5k citations

Showing 2011 · cond-mat.supr-conShow all

13 papers · 2 filters

cond-mat.supr-con2011★ 37 cited

Correlated trends of coexisting magnetism and superconductivity in optimally electron-doped oxy-pnictides

S. Sanna, P. Carretta, P. Bonfà +7

We report on the recovery of the short-range static magnetic order and on the concomitant degradation of the superconducting state in optimally F-doped SmFe_(1-x)Ru_(x)AsO_0.85F_0.…

cond-mat.supr-con2011★ 30 cited

Long- to short-range magnetic order in fluorine-doped CeFeAsO

T. Shiroka, G. Lamura, S. Sanna +13

The evolution of the antiferromagnetic order parameter in CeFeAsO_{1-x}F_{x} as a function of the fluorine content x was investigated primarily via zero-field muon-spin spectroscop…

cond-mat.supr-con2011★ 6 cited

Imaging Flux Vortices in MgB2 using Transmission Electron Microscopy

J. C. Loudon, C. J. Bowell, N. D. Zhigadlo +2

We report the successful imaging of flux vortices in single crystal MgB2 using transmission electron microscopy. The specimen was thinned to electron transparency (350 nm thickness…

cond-mat.supr-con2011★ 24 cited

Interplay of composition, structure, magnetism, and superconductivity in SmFeAs1-xPxO1-y

N. D. Zhigadlo, S. Katrych, M. Bendele +12

Polycrystalline samples and single crystals of SmFeAs1-xPxO1-y were synthesized and grown employing different synthesis methods and annealing conditions. Depending on the phosphoru…

cond-mat.supr-con2011★ 42 cited

Interplay between magnetism and superconductivity in EuFe(2-x)Co(x)As2 studied by 57Fe and 151Eu Mössbauer spectroscopy

A. Blachowski, K. Ruebenbauer, J. Zukrowski +4

The compound EuFe(2-x)Co(x)As2 was investigated by means of the 57Fe and 151Eu Moessbauer spectroscopy versus temperature (4.2 - 300 K) for x=0 (parent), x=0.34 - 0.39 (superconduc…

cond-mat.supr-con2011★ 30 cited

Study of the anisotropic magnetic order of the Eu sublattice in single crystals of EuFe_2-xCo_xAs_2 (x = 0, 0.2) by means of magnetization and magnetic torque

Z. Guguchia, S. Bosma, S. Weyeneth +5

Here, we present a combination of magnetization and magnetic torque experiments to investigate the magnetic orders in undoped EuFe2As2 and Co doped EuFe1.8Co0.2As2 single crystals.…

cond-mat.supr-con2011★ 7 cited

Multi-band superconductivity in LaFeAsO_{0.9}F_{0.1} single crystals probed by high-field vortex torque magnetometry

G. Li, G. Grissonanche, A. Gurevich +5

To probe manifestations of multiband superconductivity in oxypnictides, we measured the angular dependence of the magnetic torque in the mixed state of LaOFF…

cond-mat.supr-con2011★ 223 cited

In-plane electronic anisotropy of underdoped "122" Fe-arsenide superconductors revealed by measurements of detwinned single crystals

I. R. Fisher, L. Degiorgi, Z. X. Shen

The parent phases of the Fe-arsenide superconductors harbor an antiferromagnetic ground state. Significantly, the Néel transition is either preceded or accompanied by a structural…

cond-mat.supr-con2011★ 21 cited

Muon-spin rotation measurements of the magnetic penetration depth in the Fe-based superconductor Ba_(1-x)Rb_(x)Fe2As2

Z. Guguchia, Z. Shermadini, A. Amato +7

Measurements of the magnetic penetration depth (lambda) in the Fe-based superconductor Ba_(1-x)Rb_xFe_2As_2 (x=0.3, 0.35, 0.4) were carried out using the muon-spin rotation muSR te…

cond-mat.supr-con2011★ 39 cited

Tuning of competing magnetic and superconducting phase volumes in LaFeAsO$_0.945F_0.055 by hydrostatic pressure

R. Khasanov, S. Sanna, G. Prando +9

The interplay between magnetism and superconductivity in LaFeAsO_0.945F_0.055 was studied as a function of hydrostatic pressure up to p~2.4GPa by means of muon-spin rotation (\muSR…

cond-mat.supr-con2011★ 18 cited

{Rearrangement of the antiferromagnetic ordering at high magnetic fields in SmFeAsO and SmFeAsOF single crystals

S. Weyeneth, P. J. W. Moll, R. Puzniak +11

The low-temperature antiferromagnetic state of the Sm-ions in both nonsuperconducting SmFeAsO and superconducting SmFeAsOF single crystals was studied by magnetic t…

cond-mat.supr-con2011★ 41 cited

Doping dependence of the Nernst effect in Eu(Fe1-xCox)2As2 - departure from Dirac fermions physics

Marcin Matusiak, Zbigniew Bukowski, Janusz Karpinski

We report a systematic study of the transport properties in the series of Eu(Fe1-xCox)2As2 single crystals with x = 0, 0.15, 0.20 and 0.30. Spin-density-wave order is observed in t…

cond-mat.supr-con2011★ 34 cited

Revealing the ortho-II Band Folding in YBa2Cu3O7-delta Films

Y. Sassa, M. Radovic, M. Månsson +10

We present an angle-resolved photoelectron spectroscopy study of YBa2Cu3O7-delta films in situ grown by pulsed laser deposition. We have successfully produced underdoped surfaces w…