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Dependence of the exchange bias and coercivity of [Pd/ferromagnet](N)/FeMn multilayers on the stack number N
- Authors
- Joo, H. W.; Lee, M. S.; Kim, S. W.; Kim, S. S.; Lee, J. Y.; Back, J. Y.; You, C. -Y.; Lee, K. A.; Rhee, J. R.; Lee, S. S.; Hwang, D. G.
- Issue Date
- Oct-2006
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- coercivity; exchange-biasing; number of stack; perpendicular magnetic anisotropy; Pd/Co
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.42, no.10, pp.2987 - 2989
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 42
- Number
- 10
- Start Page
- 2987
- End Page
- 2989
- ISSN
- 0018-9464
- Abstract
- The dependencies of the stack number N on perpendicular exchange-biasing (H-ex) and coercivity (H-c) in [Pd/Co](N) and [Pd/Co (or CoFe)](N)/FeMn multilayers were investigated. With the help of the careful designs of layer structures, a series of samples whose surface anisotropies have the linear function N was prepared with constant bulk anisotropies. From the experimental data obtained, it was found that H-ex does not depend on the surface anisotropy, while H-c shows a strong dependence. Therefore, it is possible to tailor wide ranges of H-c (300-600 Oe) without varying H-ex (similar to 200 Oe) through the single control parameter stack number N.
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