Figure 2.

R2 vs. x = t/τ for 2 values of τ (ω0 = 1.12 × 1011Hz dot-dashed; ω0 = 2.24 × 1011Hz dashed) for TiO2 (m = 6me, T = 300 K). Saturation values occur at sufficiently large t.

Di Sia and Dallacasa Nanoscale Res Lett 2011 6:39   doi:10.1007/s11671-010-9783-y