Journal
MATERIALS
Volume 14, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/ma14143868
Keywords
Wiegand wire; first-order reversal curve (FORC); magnetization reversal; large Barkhausen jump
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Funding
- JSPS KAKENHI [19K21965]
- Grants-in-Aid for Scientific Research [19K21965] Funding Source: KAKEN
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This study analyzed the magnetization reversal of a FeCoV Wiegand wire using first-order reversal curves (FORCs), identifying the magnetization reversal of the soft and hard regions in the wire. The study clarified the predominantly irreversible magnetization process of the soft layer and the magnetic intermediate region between the soft and hard regions.
The magnetic structure of Wiegand wires cannot be evaluated using conventional magnetization hysteresis curves. We analyzed the magnetization reversal of a Wiegand wire by measuring the first-order reversal curves (FORCs). A FeCoV Wiegand wire with a magnetically soft outer layer and a hard magnetic core was used in this study. The magnetization reversal of the soft and hard regions in the wire was identified in the FORC diagrams. The magnetization reversal of the dominantly irreversible process of the soft layer and the magnetic intermediate region between the soft and hard regions was clarified.
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