Journal
PHYSICAL REVIEW B
Volume 103, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.103.054413
Keywords
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Funding
- National Natural Science Foundation of China (NSFC) [11774200]
- Shandong Provincial Natural Science Foundation [ZR2019JQ02]
- Institute Research Funds from the British Columbia Institute of Technology
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By manipulating the pinned spins in an Fe/FeO bilayer using a magnetic field at room temperature, we observed the behavior of the pinned magnetic moment through magnetometry. Our experiment showed a linear relationship between the exchange bias field and the pinned magnetic moment, and we provided a quantitative description of the exchange bias effect based on the pinned uncompensated spin density at the interface as a function of the pinned moment.
We use a magnetic field to manipulate the pinned spins in an Fe/FeO bilayer at room temperature, observing the behavior of the pinned magnetic moment via magnetometry. Our experiment reveals a linear relationship between the exchange bias field and the pinned magnetic moment. Based on the pinned uncompensated spin density at the interface as a function of the pinned moment, we provide a quantitative description of the exchange bias effect via exchange interaction of ferromagnetic and antiferromagnetic spins.
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