Investigation on non-exchange spring behaviour and exchange spring behaviour: A first order reversal curve analysis

D Roy, KV Sreenivasulu, PS Anil Kumar - Applied Physics Letters, 2013 - pubs.aip.org
The First Order Reversal Curve (FORC) method has been utilised to understand the
magnetization reversal and the extent of the irreversible magnetization of the soft CoFe 2 O
4-hard SrFe 12 O 19 nanocomposite in the nonexchange spring and the exchange spring
regime. The single peak switching behaviour in the FORC distribution of the exchange
spring composite confirms the coherent reversal of the soft and hard phases. The onset of
the nucleation field and the magnetization reversal by domain wall movement are also …
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