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Abstract
The magnetic properties of NiFe/IrMn exchange-coupled films were investigated. The exchange-coupling field (H_<ex>) of a thick (>150Å) IrMn sample decreased as a result of annealing, but was not affected by annealing for a second and third time. The magnetization curves of samples with low blocking temperatures moved toward the 0 field and shrank along the field axis during successive measurements. The H_<ex> of the as-deposited sample increased after deposition. These phenomena suggest that the spin structure at the interface between IrMn and NiFe fluctuates at room temperature.
Journal
- Journal of Magnetics Society of Japan [List of Volumes]
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Journal of Magnetics Society of Japan 23(4-2), 1237-1240, 1999-04-15 [Table of Contents]
The Magnetics Society of Japan (MSJ)