Figure 3
From: Intrinsic and extrinsic pinning in NdFeAs(O,F): vortex trapping and lock-in by the layered structure
Surface and point defects pinning contributions to Fp(H//c).
Fitting parameters of the curves in Figure 1(b) according to eq. (1) showing the temperature dependence of (a) the S and PD amplitudes and (b) their effectiveness field range.
