Figure 2.

SEM images of ferrite films with different thicknesses. 10 (a), 50 (b), 100 (c), 500 (d), and 1,000 nm (e). Thickness dependence of grain size (f).

Dong et al. Nanoscale Research Letters 2013 8:196   doi:10.1186/1556-276X-8-196
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