Effect of Cu,Cr Co-Doped on Structure and Magnetic Properties of Sm2Co17 Alloy Films

Can Wang; Qing Qing Fang; Dang Dang Wang; Jin Jin Yang; Jin Guang Li

doi:10.4028/www.scientific.net/AMR.936.315

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 936Effect of Cu,Cr Co-Doped on Structure and Magnetic...

Effect of Cu,Cr Co-Doped on Structure and Magnetic Properties of Sm₂Co₁₇ Alloy Films

Abstract:

Sm₂Co₁₇:Cu,Crfilms growing on Cr buffer layer and Cu seed layer were prepared by pulsed laser deposition(PLD) methodbased on Si(100) substrate. The results showed that Cu and Cr co-doped in SmCo films made the refinement of crystal grain and the increase of coercivity of SmCo. Beside, the experiments found that the incorporation of Cu and Cr in SmCo films resulted in a positive effect of the exchange bias for SmCo-CuCr system. We suggested that the mechanism of the exchange bias origins from the interaction of ferromagnetic-antiferromagnetic state (FM-AFM, SmCo-CuCr). Meanwhile, the magnetic measurment of added magnetic field and zero-field-cooled (FC-ZFC) at temperature range of 10K~300K has further confirmed the critical value of FM-AFM tansform is about 80K, which is suggested that it was attributed to the coupling competition of FM phase and AFM phase.

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Periodical:

Advanced Materials Research (Volume 936)

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315-321

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https://doi.org/10.4028/www.scientific.net/AMR.936.315

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Online since:

June 2014

Authors:

Can Wang*, Qing Qing Fang, Dang Dang Wang, Jin Jin Yang, Jin Guang Li

Keywords:

Co-Doped, Coercivity, Magnetic Exchange Bias, SmCo Film, Structure

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