Figure 4.

Surface SEM micrographs. Surface SEM micrographs of 0.2-μm-thick BaTiO3 thin film on (a) Cu and (b) SUS substrates and 2-μm-thick BaTiO3 thick films on (c) Cu and (d) SUS substrates.

Kim et al. Nanoscale Research Letters 2012 7:264   doi:10.1186/1556-276X-7-264
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