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Dependence of the Exchange Bias and Coercivity of [Pd/Ferromagnet]N/FeMn Multilayers on the Stack NumberN

Authors
Joo H.Kim M.Kim S.Kim S.Lee J.Baek J.You C.Lee K.Rhee J.Lee S.Hwang D.
Issue Date
May-2006
Publisher
IEEE
Citation
INTERMAG 2006 - IEEE International Magnetics Conference, pp.958
Journal Title
INTERMAG 2006 - IEEE International Magnetics Conference
Start Page
958
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/15418
DOI
10.1109/INTMAG.2006.374989
ISSN
2150-4598
Abstract
The dependencies of the stack number N on perpendicular exchange-biasing (Hex) and coercivity Hc ) 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 Hex does not depend on the surface anisotropy, while Hc shows a strong dependence. Therefore, it is possible to tailor wide ranges of Hc (300–600 Oe) without varying Hex ( sim!hbox200 Oe) through the single control parameter stack number N .
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