Figure 5.

a Plots of the variation in Δ and strain ε with mean diameter, revealing the increase in magnetic anisotropic energy with increasing particle size. b Schematic plots for negative strain (ε < 0), and c positive strain (ε > 0)

Shih and Wu Nanoscale Research Letters 2009 5:25-30   doi:10.1007/s11671-009-9438-z