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cond-mat.supr-con2011★ 7 cited
Enhancement of the upper critical field in codoped iron-arsenic high-temperature superconductors
F. Weickert, M. Nicklas, W. Schnelle +3
We present the first study of codoped iron-arsenide superconductors of the 122 family (Sr/Ba)_(1-x)K_xFe_(2-y)Co_yAs_2 with the purpose to increase the upper critical field H_c2 co…
cond-mat.supr-con2011★ 19 cited
Upper critical magnetic field in Ba_0.68K_0.32Fe_2As_2 and Ba(Fe_0.93Co_0.07)_2As_2
V. A. Gasparov, L. Drigo, A. Audouard +6
We report measurements of the temperature dependence of the radio-frequency magnetic penetration depth in Ba_0.68K_0.32Fe_2As_2 and Ba(Fe_0.93Co_0.07)_2As_2 single crystals in puls…