Journal
APPLIED PHYSICS LETTERS
Volume 96, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3290252
Keywords
cobalt alloys; magnetic anisotropy; magnetic multilayers; magnetic permeability; magnetic resonance; niobium alloys; tantalum
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Funding
- National Natural Science Foundation of China (NSFC) [10774062]
- National Science Fund [50925103]
- Chinese Ministry of Education [309027]
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In this work, the static and high frequency magnetic properties of (Co90Nb10/Ta)(n) multilayers have been investigated. The results show that the in-plane uniaxial magnetic anisotropy fields can be adjusted from 12 to 520 Oe only by decreasing the thickness of Ta interlayers from 8.0 to 1.8 nm. As a consequence, the resonance frequencies of the multilayers continuously increased from 1.4 to 6.5 GHz. It was found that the changes in the in-plane uniaxial anisotropy field are ascribed to the interlayer interactions among the magnetic layers by investigating the delta M(H) curves.
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