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http://dx.doi.org/10.4283/JKMS.2004.14.4.127

Exchange Bias Perpendicular Magnetic Anisotropy and Thermal Stability of (Pd/Co)N/FeMn Multilayer  

Joo, Ho-Wan (물리학과, 단국대학교)
An, Jin-Hee (물리학과, 단국대학)
Kim, Bo-Keun (물리학과, 단국대학)
Kim, Sun-Wook (물리학과, 단국대학)
Lee, Kee-Am (물리학과, 단국대학)
Lee, Sang-Suk (컴퓨터전자물리학과, 상지대학)
Hwang, Do-Geun (컴퓨터전자물리학과, 상지대학교)
Abstract
Magnetic properties and thermal stability by exchange biased perpendicular magnetic anisotropy in (Pd/Co)$_{N}$FeMn multilayer deposited by do magnetron sputtering system are investigated. We measured the perpendicular magnetization curves of (Pd(0.8nm)/Co(0.8nm)$_{5}$FeMn multilayer as function of FeMn thickness and annealing temperature. As FeMn thickness increases from 0 to 21nm, the perpendicular exchange bias(Hex) obtained 127 Oe at FeMn thickness 15nm. As the annealing temperature increases to 24$0^{\circ}C$, the E$_{ex}$ increased from 115 Oe to 190 Oe and disappeared exchange biased perpendicular magnetic anisotropy effect at 33$0^{\circ}C$.
Keywords
Perpendicular magnetic anisotropy; Exchange bias; Coercivity; Multilayer; Annealing effect.;
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