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Oscillations and change of sign in indirect exchange coupling of Fe/Au/Tb trilayer structures
Indirect exchange coupling between Fe and Tb layers through an Au layer showed oscillatory behavior with the thickness of the nonmagnetic metal. Different experimental tools such as polar magneto-optical Kerr effect, ferromagnetic resonance, and magnetotransport were used to investigate Fe/Au/Tb...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2004
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| Series: | Физика низких температур |
| Subjects: | |
| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/119723 |
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| Summary: | Indirect exchange coupling between Fe and Tb layers through an Au layer showed oscillatory
behavior with the thickness of the nonmagnetic metal. Different experimental tools such as polar
magneto-optical Kerr effect, ferromagnetic resonance, and magnetotransport were used to investigate
Fe/Au/Tb trilayers with Au thickness varying from 0 to 3.5 nm, prepared in an MBE system.
From the experimental data we reconstruct the dynamics of the Fe and Tb magnetic moments
with increasing thickness of the Au interlayer and show for the first time that there is a change of
sign in the interaction between Fe and Tb, which is observed experimentally. |
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