Journal
APPLIED PHYSICS LETTERS
Volume 110, Issue 13, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4979546
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Funding
- JSPS KAKENHI [16H05975]
- ImPACT Program of the Council for Science, Technology and Innovation (Cabinet Office, Government of Japan)
- Grants-in-Aid for Scientific Research [16H05975] Funding Source: KAKEN
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We investigated the switching of perpendicular exchange bias (PEB) from a negative to a positive value in an exchange-coupled Cr2O3/Pt/Co heterostructure. With varying the Pt spacer layer thickness or the measurement temperature, two types of intermediate states were found during the switching process: a double hysteresis loop indicating a local PEB and a single hysteresis loop indicating an averaged PEB. We propose a way to control the lateral ferromagnetic domain, which is associated with the type of the intermediate state, through the control of the exchange coupling magnitude. Published by AIP Publishing.
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