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. 2014 Apr 1;4:4553. doi: 10.1038/srep04553

Figure 4. Free energy analysis for different voltage-induced magnetic domain switching paths.

Figure 4

Time-dependent changes in the sum of magnetostatic and exchange energy for three different voltage-induced magnetic domain switching in CoFe/BFO heterostructures, driven by both non-uniform HDM-field and non-uniform strain. The magnitudes of HDM-field (Inline graphic) are taken as 6 Oe, 500 Oe, and 1000 Oe for pattern exchange, net magnetization reversal, and 180° full magnetization reversal, respectively.