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No.1(pp.1-39)

Home > Issues > Volume 10 (2005) > No.1(pp.1-39)

Perpendicular Exchange Bias and Thermal Stability of [Pd/Co]_N/FeMn Films

Journal of Magnetics, Volume 10, Number 1, 31 Mar 2005, Pages 33-35

H. W. Joo(Department of Physics, Dankook University), S. W. Kim(Department of Physics, Dankook University), J. H. An(Department of Physics, Dankook University), J. H. Choi(Department of Physics, Dankook University), M. S. Lee(Department of Physics, Dankook University), K. A. Lee(Department of Physics, Dankook University), D. G. Hwang*

(Department of Computer and Electronic Physics, Sangji University), S. S. Lee(Department of Computer and Electronic Physics, Sangji University)

Abstract

Perpendicular magnetization curves and crystal textures of [Pd(0.8 nm)/Co(0.8 nm)]₅/FeMn multilayers having an exchange-biased perpendicular magnetic anisotropy as a function of FeMn thickness and annealing temperature were measured. As FeMn thickness increases from 0 to 21 nm, the perpendicular exchange biasing field (H_ex) obtained the maximum value of 130 Oe at FeMn thickness 12 nm. As the annealing temperature increases to 240℃, the H_ex increased from 115 Oe to 190 Oe and the exchange-biased perpendicular magnetic anisotropy disappeared at 330℃.

Keywords: Perpendicular exchange bias; Pd/Co; Thermal stability

DOI:

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