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Anisotropy of the Optimally-Doped Iron Pnictide Superconductor Ba(Fe0.926Co0.074)2As2
M. A. Tanatar, N. Ni, C. Martin +7
Anisotropies of electrical resistivity, upper critical field, London penetration depth and critical currents have been measured in single crystals of the optimally doped iron pnict…
Single Crystal Growth, Crystallography, Magnetic Susceptibility, Heat Capacity, and Thermal Expansion of the Antiferromagnetic S = 1 Chain Compound CaV2O4
A. Niazi, S. L. Bud'ko, D. L. Schlagel +12
The compound CaV2O4 contains V^{+3} cations with spin S = 1 and has an orthorhombic structure at room temperature containing zigzag chains of V atoms running along the c-axis. We h…
Vortex studies in superconducting Ba(Fe0.93Co0.07)2As2
M. R. Eskildsen, L. Ya. Vinnikov, T. D. Blasius +9
We present small-angle neutron scattering (SANS) and Bitter decoration studies of the superconducting vortices in Ba(FeCo)As}. A highly disordered vortex…
Suppression of antiferromagnetic spin fluctuations in the collapsed tetragonal phase of CaFe2As2
D. K. Pratt, Y. Zhao, S. A. J. Kimber +10
Inelastic neutron scattering measurements of CaFe2As2 under applied hydrostatic pressure show that the antiferromagnetic spin fluctuations observed in the ambient pressure, paramag…
Lattice collapse and quenching of magnetism in CaFe2As2 under pressure: A single crystal neutron and x-ray diffraction investigation
A. I. Goldman, A. Kreyssig, K. Prokes +15
Single crystal neutron and high-energy x-ray diffraction have identified the phase lines corresponding to transitions between the ambient-pressure tetragonal (T), the antiferromagn…
Effects of Co substitution on thermodynamic and transport properties and anisotropic in Ba(FeCo)As single crystals
N. Ni, M. E. Tillman, J. -Q. Yan +4
Single crystalline samples of Ba(FeCo)As with have been grown and characterized via microscopic, thermodynamic and transport measurements. With incre…