期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 416, 期 -, 页码 2-9出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2016.04.065
关键词
Exchange bias; Antiferromagnet; Ferromagnet; Exchange coupling; Bulk antiferromagnetic spins/moments
资金
- Office of Basic Energy Science, U.S. Department of Energy, BES-DMS - Department of Energy's Office of Basic Energy Science, DMR [DE FG02 87ER-45332]
- Spanish MINECO [MAT2015-68772-P, FIS2013-45469, CAS12/00241]
- Catalan DURSI [2014SGR220]
- European Union FEDER Funds (Una manera de hacer Europa)
- 7th European Union Framework Programme (FP7-PEOPLE-IRSES) [318901]
- University of Barcelona (UB)
This Critical Focused Issue presents a brief review of experiments and models which describe the origin of exchange bias in epitaxial or textured ferromagnetic/antiferromagnetic bilayers. Evidence is presented which clearly indicates that inner, uncompensated, pinned moments in the bulk of the antiferromagnet (AFM) play a very important role in setting the magnitude of the exchange bias. A critical evaluation of the extensive literature in the field indicates that it is useful to think of this bulk, pinned uncompensated moments as a new type of a ferromagnet which has a low total moment, an ordering temperature given by the AFM Neel temperature, with parallel aligned moments randomly distributed on the regular AFM lattice. (C) 2016 Elsevier B.V. All rights reserved.
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