Abstract
The effect of thermo-chemical treatment on the magnetic and spin-transport properties of epitaxial Fe3O4 (100) thin films grown on MgO (100) substrates was investigated. We found that the magnetization of the films remarkably increases after just 4min of annealing in air at 250°C. In situ resistance measurements were carried out during the treatment and the contribution of domains and antiphase boundaries on the change in resistance was clarified. A model involving a change in the antiferromagnetic coupling at the antiphase boundaries during the treatment is proposed.
Full Text
Published Version
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 call