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Hysteresis loops of the CPP resistance for the AP-biased (a) and -biased (b) sample B6. Insets show minor hysteresis loops. Schematics show the exchange biasing directions.
(a) Symbols: AGMR for , and (bottom to top) for an AP-biased sample B6. The data are offset for clarity. Curves: best fits using , , and (bottom to top). (b) Same as (a) for the same B6 sample after biasing. The fits give , and 1.32 (bottom to top).
Symbols: determined by fitting the data for AP-biased samples B (a), -biased samples B (b), and samples A (c). Dashed curves: linear fit (a), and calculations (b), (c).
Symbols: the measured for three different samples A1.5, measured with . The data are offset for clarity, is the sample area. Solid curve: best fit with Eq. (1) and . Dashed curve: calculation based on 2CSMR.
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