Figure 5.

Bandgap diagram with respect toM/afor longitudinally magnetized MCWs. With a (=M + N) = 20 nm for (a) MFe/NNi, (b) MFe/NPy, (c) MPy/NNi, (d) MCo/NNi, (e) MCo/NPy, and (f) MCo/NFe MCWs under applied field H = 600 mT. The gray regions represent 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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