Thermally assisted reversal of exchange biasing in NiO and FeMn based systems
- Heijden, PAA Paul van der
- Maas, TFMM
- Jonge, WJM Wim de
- Kools, JCS
- Roozeboon, F
- Zaag, PJ van der
Publication date
January 1998
DOI Publisher
AIP Publishing ISSN
0003-6951 Citation count (estimate)
66Abstract
The stability of the exchange bias field Heb has been studied for magnetron sputtered NiO/Ni66Co18Fe16 and Ni66Co18Fe16/FeMn bilayers. A forced antiparallel alignment of the ferromagnetic magnetization to Heb results in a gradual decrease of Heb as a function of time for NiO as well as FeMn based samples. The observed decrease of Heb increases with temperature and is interpreted as a thermally assisted reversal of magnetic domains in the antiferromagnetic layer
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