Abstract
Fe Mn ∕ Ni Fe exchange-biased films have been deposited on Si substrates and the average grain size in the antiferromagnet systematically varied from 54to70Å. Vibrating-sample magnetometer measurements at room temperature show that the exchange field increases by a factor of about 3 with increasing grain size. Changes in the coercivity were much smaller. We believe the grain-size effects are due to thermal activation phenomena. Training effects give rise to a greater reduction in the exchange field for the system with the smallest grains. The absence of a significant change in the coercivity implies that it is primarily controlled by interfacial effects.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
