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Nanosecond magnetic relaxation processes in ultrathin metallic films prepared by MBE
Urban, R., Heinrich, B., Woltersdorf, Georg, Ajdari, K., Myrtle, K., Cochran, J. F. and Rozenberg, E. (2002) Nanosecond magnetic relaxation processes in ultrathin metallic films prepared by MBE. Physical Review B (PRB) 65 (2), 020402(R).Date of publication of this fulltext: 27 May 2010 07:42
Article
DOI to cite this document: 10.5283/epub.14953
Abstract
Magnetic relaxation processes were investigated by ferromagnetic resonance (FMR) using crystalline Cr/Fe/GaAs(001) ultrathin film structures grown by molecular beam epitaxy (MBE). For Fe films thicker than 1.5 nm the extrinsic relaxation term showed evidence of two magnon scattering. Above 10 GHz the in-plane FMR linewidth was linearly dependent on the microwave frequency with ...
Magnetic relaxation processes were investigated by ferromagnetic resonance (FMR) using crystalline Cr/Fe/GaAs(001) ultrathin film
structures grown by molecular beam epitaxy (MBE). For Fe films thicker
than 1.5 nm the extrinsic relaxation term showed evidence of two magnon
scattering. Above 10 GHz the in-plane FMR linewidth was linearly
dependent on the microwave frequency with an appreciable zero-frequency
offset. The zero frequency offset measures the strength of extrinsic
damping. The in-plane Gilbert damping includes both the intrinsic and
extrinsic Gilbert contributions in qualitative agreement with recent
predictions by Arias and Mills.
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| Item type | Article | ||||||||
| Journal or Publication Title | Physical Review B (PRB) | ||||||||
| Publisher: | American Physical Society | ||||||||
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| Open Access Type: | Due to SHERPA/RoMEO | ||||||||
| Volume: | 65 | ||||||||
| Number of Issue or Book Chapter: | 2 | ||||||||
| Page Range: | 020402(R) | ||||||||
| Date | January 2002 | ||||||||
| Institutions | UNSPECIFIED | ||||||||
| Identification Number |
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| Classification |
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| Dewey Decimal Classification | 500 Science > 530 Physics | ||||||||
| Status | Published | ||||||||
| Refereed | Unknown | ||||||||
| Created at the University of Regensburg | Yes | ||||||||
| URN of the UB Regensburg | urn:nbn:de:bvb:355-epub-149539 | ||||||||
| Item ID | 14953 |
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