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Exchange Bias in Thin Films—An Update

1
Institute of Physics—Center for Science and Education, Silesian University of Technology, ul. Konarskiego 22B, 44-100 Gliwice, Poland
2
Faculty of Engineering and Mathematics, Bielefeld University of Applied Sciences, Interaktion 1, 33619 Bielefeld, Germany
*
Author to whom correspondence should be addressed.
Coatings 2021, 11(2), 122; https://doi.org/10.3390/coatings11020122
Received: 31 December 2020 / Revised: 16 January 2021 / Accepted: 20 January 2021 / Published: 22 January 2021
(This article belongs to the Special Issue Magnetic Materials and Thin Films)
The exchange bias (EB) is an effect occurring in coupled ferromagnetic/antiferromagnetic materials of diverse shapes, from core–shell nanoparticles to stacked nanostructures and thin films. The interface coupling typically results in a horizontal—often also vertical—shift of the hysteresis loop, combined with an increased coercivity, as compared to the pure ferromagnet, and the possibility of asymmetric hysteresis loops. Several models have been developed since its discovery in 1956 which still have some drawbacks and some unexplained points, while exchange bias systems are at the same time being used in hard drive read heads and are part of highly important elements for spintronics applications. Here, we give an update of new theoretical models and experimental findings regarding exchange bias phenomena in thin films during the last years, including new material combinations in which an exchange bias was found. View Full-Text
Keywords: exchange bias (EB); ferromagnet; antiferromagnet; coercivity; coercive field; hysteresis loop shift; asymmetric hysteresis loop; domain state model exchange bias (EB); ferromagnet; antiferromagnet; coercivity; coercive field; hysteresis loop shift; asymmetric hysteresis loop; domain state model
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MDPI and ACS Style

Blachowicz, T.; Ehrmann, A. Exchange Bias in Thin Films—An Update. Coatings 2021, 11, 122. https://doi.org/10.3390/coatings11020122

AMA Style

Blachowicz T, Ehrmann A. Exchange Bias in Thin Films—An Update. Coatings. 2021; 11(2):122. https://doi.org/10.3390/coatings11020122

Chicago/Turabian Style

Blachowicz, Tomasz; Ehrmann, Andrea. 2021. "Exchange Bias in Thin Films—An Update" Coatings 11, no. 2: 122. https://doi.org/10.3390/coatings11020122

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