Figure 1.
(a) A log plot of the harmonic ratio of the 4th over 2nd for a 15 nm particle at various combinations of dc and ac field strength. (b) A similar log plot of the harmonic ratio of the 5th over 3rd.
(a) A log plot of the harmonic ratio of the 4th over 2nd for a 15 nm particle at various combinations of dc and ac field strength. (b) A similar log plot of the harmonic ratio of the 5th over 3rd.