Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 11, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3693391
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Funding
- DFG Research Unit [1464]
- JST: ASPIMATT
- Carl Zeiss-Stiftung
- Graduate School Materials Science in Mainz (MAINZ) through DFG of the Excellence Initiative [GSC 266]
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We report on the investigation of spin-wave propagation in a micro-structured Co2Mn0.6Fe0.4Si (CMFS) Heusler waveguide. The reduced magnetic losses of this compound compared to the commonly used Ni81Fe19, allow for the observation of spin-wave propagation over distances as high as 75 mu m via Brillouin light scattering (BLS) microscopy. In the linear regime, a maximum decay length of 16.7 mu m of the spin-wave amplitude was found. The coherence length of the observed spin-wave modes was estimated to be at least 16 mu m via phase-resolved BLS techniques. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3693391]
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