NM S 0 1 Long ranged  ferromagnetic  Order among spins Core shell Core (a) LRFM (b) FM NC NP (c) FM AMP NP shell shell shell Core Core shell shell Fig. 4 (Colour online) shows a schematic diagram for long ranged ferromagnetic (LRFM) ordered spins (a), core-shell magnetic ordered spins (b), and core-shell  Magnetic ordered Spins (c) in the top diagram and corresponding normalized  saturation magnetization (NM$_{S}$) of different FM samples (nanocrystalline nanoparticle –NCNP, amorphous nanoparticle-AMPNP) compared to the bulk  LRFM sample.