Effect of Annealing Temperature on GMR of [NiFeCo(10 nm)/Ag(10 nm)]×20 Multilayer

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J Mater Sci Technol ›› 2004, Vol. 20 ›› Issue (02): 179-181.

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Effect of Annealing Temperature on GMR of [NiFeCo(10 nm)/Ag(10 nm)]×20 Multilayer

Yuding HE, Shejun HU, Jian LI ,Guangrong XIE

College of Material and Energy,Gudong Univerity

Received:2004-04-16 Revised:1900-01-01 Online:2004-03-29 Published:2009-10-10

Abstract

Abstract: The composition, phase structure, and microstructure of the discontinuous multilayer films [NiFeCo(10 nm)/Ag(10 nm)]×20 annealed at temperature 280, 320, 360 and 400℃, respectively were investigated GMR (giant magnetoresistance) ratios of the multilayer films were measured at different temperature. The results showed that FeNi3 precipitated at 360℃ and dissolved at 400℃. The films annealed at 360℃ for 1 h exhibited the highest GMR ratio 11% when saturation field was equal to 79.6 kA/m.

Key words: Multilayer film, Annealing, GMR

Yuding HE, Shejun HU, Jian LI, Guangrong XIE. Effect of Annealing Temperature on GMR of [NiFeCo(10 nm)/Ag(10 nm)]×20 Multilayer[J]. J Mater Sci Technol, 2004, 20(02): 179-181.

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Effect of Annealing Temperature on GMR of [NiFeCo(10 nm)/Ag(10 nm)]×20 Multilayer

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