Figure 6 : The 1/T1 for all the superconducting samples.

From: Quantum criticality in electron-doped BaFe2−xNixAs2

Figure 6

The temperature dependence of the spin-lattice relaxation rate 1/T1 for various x of BaFe2−xNixAs2. The solid and dashed arrows indicate Tc and TN, respectively. The error bar is the s.d. in fitting the nuclear magnetization recovery curve.