2.5k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- ETH ZurichCH630 papers
- Paul Scherrer InstituteCH136 papers
- École Polytechnique Fédérale de LausanneCH61 papers
- University of ZurichCH45 papers
- University of RegensburgDE44 papers
- Institute of PhysicsPL39 papers
- Centre National de la Recherche ScientifiqueFR37 papers
- Swiss Light Source37 papers
- Polish Academy of SciencesPL36 papers
- P.L. Kapitza Institute for Physical ProblemsRU26 papers
- National Institute for Materials ScienceJP25 papers
- University of GenevaCH23 papers
18 papers · 2 filters
L4Fe2As2Te1-xO4-yFy (L = Pr, Sm, Gd): a layered oxypnictide superconductor with Tc up to 45 K
S. Katrych, A. Pisoni, S. Bosma +5
The synthesis, structural and physical properties of iron lanthanide oxypnictide superconductors, L4Fe2As2Te1-xO4 (L = Pr, Sm, Gd), with transition temperature at ~ 25 K are report…
Magnetic field-dependence of the basal-plane superconducting anisotropy in YBa2Cu4O8 from small-angle neutron scattering measurements of the vortex lattice
Jonathan S. White, Charlotte J. Bowell, Alistair S. Cameron +9
We report a study of the basal-plane anisotropy of the superfluid density in underdoped YBaCuO (Y124), showing the effects of both the CuO planes and the fu…
Magnetic structure of superconducting Eu(Fe0.82Co0.18)2As2 as revealed by single-crystal neutron diffraction
W. T. Jin, S. Nandi, Y. Xiao +8
The magnetic structure of superconducting Eu(Fe0.82Co0.18)2As2 is unambiguously determined by single-crystal neutron diffraction. A long-range ferromagnetic order of the Eu2+ momen…
Mössbauer studies of the peculiar magnetism in parent compounds of the iron-based superconductors
A. K. Jasek, K. Komedera, A. Blachowski +4
A review of the magnetism in the parent compounds of the iron-based superconductors is given based on the transmission Moessbauer spectroscopy of 57Fe and 151Eu. It was found that…
s-wave pairing in the optimally-doped LaO0.5F0.5BiS2 superconductor
G. Lamura, T. Shiroka, P. Bonfa +11
We report on the magnetic and superconducting properties of LaO0.5F0.5BiS2 by means of zero- (ZF) and transverse-field (TF) muon-spin spectroscopy measurements (uSR). Contrary to p…
Critical current anisotropy in Nd-1111 single crystals and the infuence of neutron irradiation
M. Eisterer, V. Mishev, M. Zehetmayer +3
We report on angle-resolved magnetization measurements on NdFeAsOF (Nd-1111) single crystals. The field dependence of the critical current density, , is non-…
Growth of whisker-like and bulk single crystals of PrFeAs(O,F) under high pressure
N. D. Zhigadlo
Superconducting whisker like and bulk single crystals of PrFeAs(O,F) were grown at 3 GPa and 1500 C from NaAs flux using the cubic anvil high pressure and high temperature techniqu…
Electric field gradient wave (EFGW) in iron-based superconductor Ba(0.6)K(0.4)Fe2As2 studied by Mössbauer spectroscopy
A. K. Jasek, K. Komedera, A. Blachowski +4
The optimally doped 122 iron-based superconductor Ba(0.6)K(0.4)Fe2As2 has been studied by 57Fe Moessbauer spectroscopy versus temperature ranging from 4.2 K till 300 K with particu…
The electronic specific heat of Ba1-xKxFe2As2 (x=0 to 1.0) from 2K to 380K
J. G. Storey, J. W. Loram, J. R. Cooper +2
Using a high-resolution differential technique we have determined the electronic specific heat coefficient gamma(T) of Ba1-xKxFe2As2 with x=0 to 1.0, at temperatures (T) from 2K to…
μSR and NMR study of the superconducting Heusler compound YPd2Sn
H. Saadaoui, T. Shiroka, A. Amato +7
We report on muon spin rotation/relaxation and Sn nuclear magnetic resonance (NMR) measurements to study the microscopic superconducting and magnetic properties of the Heus…
The Magnetic Structure of Individual Flux Vortices in Superconducting MgB2 Derived using Transmission Electron Microscopy
J. C. Loudon, C. J. Bowell, N. D. Zhigadlo +2
Images of flux vortices in superconductors acquired by transmission electron microscopy should allow a quantitative determination of their magnetic structure but so far, only visua…
Persistence of Metastable Vortex Lattice Domains in MgB2 in the Presence of Vortex Motion
C. Rastovski, K. J. Schlesinger, W. J. Gannon +5
Recently, extensive vortex lattice metastability was reported in MgB2 in connection with a second-order rotational phase transition. However, the mechanism responsible for these we…
Normal state bottleneck and nematic fluctuations from femtosecond quasi-particle relaxation dynamics in Sm(Fe,Co)AsO
T. Mertelj, L. Stojchevska, N. D. Zhigadlo +2
We investigate temperature and fluence dependent dynamics of the photoexcited quasi-particle relaxation and low-energy electronic structure in electron-doped 1111-structure Sm(Fe_{…
Glassy low-energy spin fluctuations and anisotropy gap in La1.88Sr0.12CuO4
A. T. Rømer, J. Chang, N. B. Christensen +13
We present high-resolution triple-axis neutron scattering studies of the high-temperature superconductor La1.88Sr0.12CuO4 (Tc=27 K). The temperature dependence of the low-energy in…
Charge doping versus disorder in CeFeAsO: do the in- and out-of-plane dilutions play the same role?
G. Prando, O. Vakaliuk, S. Sanna +9
We provide direct experimental evidence for the identical effect of the in-plane FeCo and of the out-of-plane OF chemical dilutions on the itinerant spi…
Magnetic glassy phase in FeSeTe single crystals
G. Lamura, T. Shiroka, P. Bonfà +9
The evolution of the magnetic order in FeSeTe crystals as a function of Se content was investigated by means of ac/dc magnetometry and muon-spin spectroscopy. Experimental results…
Conventional superconductivity and hysteretic Campbell penetration depth in single crystals MgCNi
R. T. Gordon, N. D. Zhigadlo, S. Weyeneth +2
Single crystals of MgCNi, with areas sized up to 1 mm, were grown by the self flux method using a cubic anvil high pressure technique. The first critical field \textit{H$…
The order-parameter symmetry and Fermi surface topology of 122 Fe-based superconductors: a point-contact Andreev-reflection study
R. S. Gonnelli, M. Tortello, D. Daghero +8
We report on the results of directional point-contact Andreev-reflection (PCAR) measurements in Ba(Fe_{1-x}Co_x)2As2 single crystals and epitaxial c-axis oriented films with x = 0.…