Aswathy, P M; Anooja, J B; Neson Varghese; Syamaprasad, U
(American Institute of Physics, 2014)
We report the synthesis of Nd1 xCaxFeAsO1 2xF2x superconductors using CaF2 as a binary dopant that provides both holes and electrons by simultaneous substitution of Ca2þ ions and F ions at Nd3þ and O2 sites, respectively. ...