Kamihara and coworkers' report of superconductivity at T c= 26 K in fluorine-doped
LaFeAsO inspired a worldwide effort to understand the nature of the superconductivity in this …

The surprising discovery of superconductivity in layered iron-based materials, with transition
temperatures climbing as high as 55 K, has led to thousands of publications on this subject …

The response of the worldwide scientific community to the discovery in 2008 of
superconductivity at T c= 26 K in the Fe-based compound LaFeAsO1− x F x has been very …

The recent discovery of high-temperature superconductivity in single-layer iron selenide has
generated significant experimental interest for optimizing the superconducting properties of …

The thermal conductivity κ of the iron-arsenide superconductor Ba (Fe 1− x Co x) 2 As 2 was
measured down to 50 mK for a heat current parallel (κ c) and perpendicular (κ a) to the …

An extensive calorimetric study of the normal-and superconducting-state properties of Ba
(Fe 1− x Co x) 2 As 2 is presented for 0< x< 0.2. The normal-state Sommerfeld coefficient …

Although the pairing mechanism of Fe-based superconductors (FeSCs) has not yet been
settled with consensus with regard to the pairing symmetry and the superconducting (SC) …

The zero-temperature value of the in-plane London penetration depth, λ ab (0), has been
measured in single crystals of Ba (Fe 1− x Co x) 2 As 2 as a function of the Co concentration …

The transport and complex optical properties of the electron-doped iron-arsenic
superconductor BaFe 1.85 Co 0.15 As 2 with T c= 25 K have been examined in the Fe-As …

Key questions for any superconductor include: what is its maximum dissipation‐free
electrical current (its 'critical current') and can this be used to extract fundamental …