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Different effects of Ni and Co substitution on the transport properties of BaFe2As2
A. Olariu, F. Rullier-Albenque, D. Colson +1
We report resistivity and Hall effect results on Ba(Fe1-xNix)2As2 and compare them with those in Ba(Fe1-xCox)2As2. The Hall number RH is negative for all x values from 0.01 to 0.14…
Light-induced size changes in BiFeO3 crystals
B. Kundys, M. Viret, D. Colson +1
Multifunctional oxides are promising materials because of their fundamental physical properties as well as their potential in applications1. Among these materials, multiferroics ex…
Optical signature of sub-gap absorption in the superconducting state of Ba(Fe,Co)2As2
R. P. S. M. Lobo, Y. M. Dai, U. Nagel +5
The optical conductivity of Ba(FeCo)As shows a clear signature of the superconducting gap, but a simple -wave description fails in accounting for the l…
Hole and Electron Contributions to the Transport Properties of Ba(Fe_(1-x)Ru_x)_2As_2 Single Crystals
F. Rullier-Albenque, D. Colson, A. Forget +2
We report a systematic study of structural and transport properties in single crystals of Ba(Fe_(1-x)Ru_x)_2As_2 for x ranging from 0 to 0.5. The isovalent substitution of Fe by Ru…