Figure 3.

Bandgap diagram with respect toM/aunder applied fieldH= 600 mT. With a (=M + N) = 20 nm for transversely magnetized (a) MFe/NNi, (b) MFe/NPy, (c) MPy/NNi, (d) MCo/NNi, (e) MCo/NPy, and MCo/NFe MCWs. The gray region represents the allowed bands, while the red, green, and blue regions, the respective first, second, and third forbidden bands.

Ma et al. Nanoscale Research Letters 2012 7:498   doi:10.1186/1556-276X-7-498
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