426 citations · 3.2k across the 47 of their papers we have counts for
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Multi-band effects in in-plane resistivity anisotropy of strain-detwinned disordered Ba(FeRu)As
E. C. Blomberg, M. A. Tanatar, A. Thaler +3
In-plane resistivity anisotropy was measured in strain-detwinned as-grown and partially annealed samples of isovalently-substituted ($0<x \l…
Effect of electron irradiation on superconductivity in single crystals of Ba(FeRu)As (0.24)
R. Prozorov, M. Kończykowski, M. A. Tanatar +5
A single crystal of isovalently substituted Ba(FeRu)As () was sequentially irradiated with 2.5 MeV electrons up to a maximum dose of $2.1 \times 10^{1…
On infrared pseudogap in cuprate and pnictide high-temperature superconductors
S. J. Moon, Y. S. Lee, A. A. Schafgans +15
We investigate infrared manifestations of the pseudogap in the prototypical cuprate and pnictide superconductors: YBa2Cu3Oy and BaFe2As2 (Ba122) systems. We find remarkable similar…
Crossover from spin-waves to diffusive spin excitations in underdoped Ba(FeCo)As
G. S. Tucker, R. M. Fernandes, D. K. Pratt +12
Using inelastic neutron scattering, we show that the onset of superconductivity in underdoped Ba(FeCo)As coincides with a crossover from well-defined spin…
Magnonlike dispersion of spin resonance in Ni-doped BaFeAs
M. G. Kim, G. S. Tucker, D. K. Pratt +10
Inelastic neutron scattering measurements on Ba(FeNi)As manifest a neutron spin resonance in the superconducting state with anisotropic dispersion withi…
Glassy Transition in the Vortex Lattice of Ba(Fe0.93Rh0.07)2As2 superconductor, probed by NMR and ac-susceptibility
L. Bossoni, P. Carretta, M. Horvatić +3
By using Nuclear Magnetic Resonance and ac-susceptibility, the characteristic correlation times for the vortex dynamics, in an iron-based superconductor, have been derived. Upon co…
Infrared Measurement of the Pseudogap in P-Doped and Co-Doped BaFe2As2 High-Temperature Superconductors
S. J. Moon, A. A. Schafgans, S. Kasahara +10
We report on infrared studies of charge dynamics in a prototypical pnictide system: the BaFe2As2 family. Our experiments have identified hallmarks of the pseudogap state in the BaF…
Competition between stripe and checkerboard magnetic instabilities in Mn-doped BaFe2As2
G. S. Tucker, D. K. Pratt, M. G. Kim +12
Inelastic neutron scattering measurements on Ba(Fe0.925Mn0.075)2As2 manifest spin fluctuations at two different wavevectors in the Fe square lattice, (1/2,0) and (1/2,1/2), corresp…
Thermoelectric power of Ba(Fe1-xCox)2As2, 0\leqx\leq0.05, and Ba(Fe1-xRhx)2As2, (0\leqx\leq0.171)
H. M. Hodovanets, A. Thaler, E. Mun +3
Temperature-dependent, in-plane, thermoelectric power data are presented for single crystals of Ba(Fe1-xCox)2As2, 0\leqx\leq0.05, and Ba(Fe1-xRhx)2As2, (0\leqx\leq0.171). Given tha…
Unusual temperature dependence of band dispersion in Ba(Fe(1-x)Ru(x))2As2 and its consequences for antiferromagnetic ordering
R. S. Dhaka, S. E. Hahn, E. Razzoli +7
We have performed detailed studies of the temperature evolution of the electronic structure in Ba(Fe(1-x)Ru(x))2As2 using Angle Resolved Photoemission Spectroscopy (ARPES). Surpris…
Effects of transition metal substitutions on the incommensurability and spin fluctuations in BaFe2As2 by elastic and inelastic neutron scattering
M. G. Kim, J. Lamsal, T. W. Heitmann +17
The spin fluctuation spectra from nonsuperconducting Cu-substituted, and superconducting Co-substituted, BaFe2As2 are compared quantitatively by inelastic neutron scattering measur…
Detection of Orbital Fluctuations Above the Structural Transition Temperature in the Iron-Pnictides and Chalcogenides
H. Z. Arham, C. R. Hunt, W. K. Park +15
We use point contact spectroscopy to probe () and . For we detect orbital fluctuations above while for…
NMR investigation of vortex dynamics in Ba(Fe0.93Rh0.07)2As2 superconductor
L. Bossoni, P. Carretta, A. Thaler +1
75As NMR spin-lattice relaxation (1/T1) and spin-echo decay (1/T2) rate measurements were performed in a single crystal of Ba(Fe0.93Rh0.07)2As2 superconductor. Below the supercondu…
Effect of tensile stress on the in-plane resistivity anisotropy in BaFe2As2
E. C. Blomberg, A. Kreyssig, M. A. Tanatar +8
The effect of uniaxial tensile stress and the resultant strain on the structural/magnetic transition in the parent compound of the iron arsenide superconductor, BaFeAs, is…
Physical and magnetic properties of Ba(Fe_(1-x)Mn_x)_2As_2 single crystals
A. Thaler, H. Hodovanets, M. S. Torikachvili +6
Single crystals of Ba(Fe_(1-x)Mn_x)_2As_2, 0<x<0.148, have been grown and characterized by structural, magnetic, electrical transport and thermopower measurements. Although growths…
Gap-like feature in the normal state of , and revealed by Point Contact Spectroscopy
H. Z. Arham, C. R. Hunt, W. K. Park +12
Point contact spectroscopy reveals a gap-like feature above the magnetic and structural transition temperatures for underdoped , and $Fe_{1+y}T…
What controls the phase diagram and superconductivity in Ru substituted BaFeAs?
R. S. Dhaka, Chang Liu, R. M. Fernandes +8
We use high resolution angle-resolved photoemission to study the electronic structure of the iron based high-temperature superconductors Ba(FeRu)As as a functio…
Combined effects of pressure and Ru substitution on BaFe2As2
S. K. Kim, M. S. Torikachvili, E. Colombier +3
The ab-plane resistivity of Ba(Fe1-xRux)2As2 (x = 0.00, 0.09, 0.16, 0.21, and 0.28) was studied under nearly hydrostatic pressures, up to 7.4 GPa, in order to explore the T-P phase…
Systematics of the temperature-dependent inter-plane resistivity in Ba(FeT)As with T= Rh, Ni, and Pd
M. A. Tanatar, N. Ni, A. Thaler +3
Temperature-dependent inter-plane resistivity, , was measured systematically as a function of transition metal substitution in the iron-arsenide superconductors Ba(Fe$_{1-x…
Incommensurate spin-density wave order in electron-doped BaFe2As2 superconductors
D. K. Pratt, M. G. Kim, A. Kreyssig +10
Neutron diffraction studies of Ba(Fe[1-x]Co[x])2As2 reveal that commensurate antiferromagnetic order gives way to incommensurate magnetic order for Co compositions between 0.056 <…
Character of the structural and magnetic phase transitions in the parent and electron doped BaFe2As2 compounds
M. G. Kim, R. M. Fernandes, A. Kreyssig +7
We present a combined high-resolution x-ray diffraction and x-ray resonant magnetic scattering (XRMS) study of as-grown BaFe2As2. The structural/magnetic transitions must be descri…
In-plane anisotropy of electrical resistivity in the strain-detwinned SrFe2As2
E. C. Blomberg, M. A. Tanatar, A. Kreyssig +7
Intrinsic, in-plane anisotropy of electrical resistivity was studied on mechanically detwinned single crystals of SrFeAs above and below the temperature of the coupled stru…
Resistivity scaling in 1111 iron-pnictide superconductors
E. Arushanov, S. Levcenko, G. Fuchs +1
We show that the zero field normal-state resistivity above Tc for various levels of electron doping - both for LaO1-xFxFeAs (La-1111) and SmO1-xFxFeAs (Sm-1111) members of the 1111…
Magnetic ordering and structural distortion in Ru doped BaFe2As2 single crystals studied by Neutron and X-ray diffraction
M. G. Kim, D. K. Pratt, G. E. Rustan +8
We present a systematic investigation of the antiferromagnetic ordering and structural distortion for the series of Ba(Fe{1-x}Ru{x})2As2 compounds (0 <= x <= 0.246). Neutron and x-…