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- Title
Ferromagnetic excess moments and apparent exchange bias in FeF2 single crystals.
- Authors
Joshi, D. C.; Nordblad, P.; Mathieu, R.
- Abstract
The anisotropic antiferromagnet FeF2 has been extensively used as an antiferromagnetic layer to induce exchange bias effects in ferromagnetic/antiferromagnetic bilayers and heterostructures. In this work, an apparent exchange bias occurring in the low temperature hysteresis loops of FeF2 single crystals is investigated. A detailed investigation of the hysteresis and remnant magnetization indicates that the observation of an apparent exchange bias in FeF2 stems from an intrinsic excess moment associated with a distortion of the antiferromagnetic structure of piezomagnetic origin.
- Subjects
FERROMAGNETISM; SINGLE crystals; ANTIFERROMAGNETIC materials; HETEROSTRUCTURES; HYSTERESIS loop
- Publication
Scientific Reports, 2019, Vol 9, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-019-55142-6