Figure 4.

P-E hysteresis loops of PZT/BFO multilayer thin films. (a) PZT/BFO/PZT/BFO, (b) PZT/BFO/PZT/BFO/PZT, and (c) PZT/BFO/PZT/BFO/PZT/BFO films.

Jo et al. Nanoscale Research Letters 2012 7:54   doi:10.1186/1556-276X-7-54
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