Choking non-local magnetic damping in exchange biased ferromagnets
| Autor: | Teruo Ono, Kent Oda, Takahiro Moriyama |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Condensed Matter - Materials Science
Materials science Spintronics Condensed matter physics Atomic force microscopy Materials Science (cond-mat.mtrl-sci) FOS: Physical sciences General Physics and Astronomy 02 engineering and technology Dissipation 021001 nanoscience & nanotechnology 01 natural sciences Condensed Matter::Materials Science Ferromagnetism 0103 physical sciences Magnetic damping Antiferromagnetism Condensed Matter::Strongly Correlated Electrons 010306 general physics 0210 nano-technology Spin-½ |
| Popis: | We investigated the temperature dependence of the magnetic damping in the exchange biased Pt/ Fe50Mn50 /Fe20Ni80 /SiOx multilayers. In samples having a strong exchange bias, we observed a drastic decrease of the magnetic damping of the FeNi with increasing temperature up to the blocking temperature. The results essentially indicate that the non-local enhancement of the magnetic damping can be choked by the adjacent antiferromagnet and its temperature dependent exchange bias. We also pointed out that such a strong temperature dependent damping may be very beneficial for spintronic applications. |
| Databáze: | OpenAIRE |
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