Access the full text.
Sign up today, get DeepDyve free for 14 days.
Loading next page...
/lp/american-physical-society-aps/rotatable-anisotropy-and-mixed-interfaces-exchange-bias-in-fe-knif-3-26eyZ8PNbq
References
References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.
- Publisher
- American Physical Society (APS)
- Copyright
- Copyright © 2004 The American Physical Society
- ISSN
- 1550-235X
- DOI
- 10.1103/PhysRevB.69.134426
- Publisher site
- See Article on Publisher Site
Abstract
Results from ferromagnetic resonance experiments made on epitaxially grown Fe / KNiF 3 bilayers are presented. The bilayers exhibit exchange bias and coercivity previously studied using low-temperature magnetometry. In this paper, results from ferromagnetic resonance (FMR) experiments on the FeKNiF 3 bilayers are reported. A rotatable anisotropy is identified, and temperature dependence of all anisotropy fields are examined. A possible correlation between the bias field and the rotatable anisotropy is proposed. Linewidths are also studied and possible correlations between coercive fields and FMR linewidths are discussed. A model for the rotatable anisotropy is proposed which ascribes the existence of exchange bias to small uncompensated regions at the interface and rotatable anisotropy to exchange coupling combined with long-range disorder within the antiferromagnet. A possible realization of this mechanism through exchange-coupled grains is discussed in relation to other models for exchange bias in disordered structures.
Journal
Physical Review B – American Physical Society (APS)
Published: Apr 1, 2004