Magnetic and structural properties of (Co1-xFex)Pt thin films

P. W. Jang; D. W. Kim; C. H. Park; J. G. Na; S. R. Lee

doi:10.1063/1.367671

Magnetic and structural properties of (Co_1-xFe_x)Pt thin films

P. W. Jang, D. W. Kim, C. H. Park, J. G. Na, S. R. Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

(CO_1-xFe_x)Pt films were grown on a glass substrate by a rf sputtering and then annealed at 650-700°C in a high vacuum. All the as-sputtered (Co_1-xFe_x)Pt films deposited below 400°C had a disordered structure and showed very low coercivities. With increasing the deposition temperature and Fe contents, the (111) texture was weakened in as-deposited (Co_1-xFe_x)Pt ternary films. Vibrating sample magnetometer and x-ray diffraction data show that Co atoms in the L1₀ CoPt phase were substituted with Fe atoms. In-plane coercivities of these films decreased almost linearly with increasing Fe content which seemed to be due to the decrease of a crystalline anisotropy energy.

Original language	English
Pages (from-to)	6614-6616
Number of pages	3
Journal	Journal of Applied Physics
Volume	83
Issue number	11
DOIs	https://doi.org/10.1063/1.367671
Publication status	Published - 1998

ASJC Scopus subject areas

Physics and Astronomy(all)

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AU - Jang, P. W.

AU - Kim, D. W.

AU - Park, C. H.

AU - Na, J. G.

AU - Lee, S. R.

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N2 - (CO1-xFex)Pt films were grown on a glass substrate by a rf sputtering and then annealed at 650-700°C in a high vacuum. All the as-sputtered (Co1-xFex)Pt films deposited below 400°C had a disordered structure and showed very low coercivities. With increasing the deposition temperature and Fe contents, the (111) texture was weakened in as-deposited (Co1-xFex)Pt ternary films. Vibrating sample magnetometer and x-ray diffraction data show that Co atoms in the L10 CoPt phase were substituted with Fe atoms. In-plane coercivities of these films decreased almost linearly with increasing Fe content which seemed to be due to the decrease of a crystalline anisotropy energy.

AB - (CO1-xFex)Pt films were grown on a glass substrate by a rf sputtering and then annealed at 650-700°C in a high vacuum. All the as-sputtered (Co1-xFex)Pt films deposited below 400°C had a disordered structure and showed very low coercivities. With increasing the deposition temperature and Fe contents, the (111) texture was weakened in as-deposited (Co1-xFex)Pt ternary films. Vibrating sample magnetometer and x-ray diffraction data show that Co atoms in the L10 CoPt phase were substituted with Fe atoms. In-plane coercivities of these films decreased almost linearly with increasing Fe content which seemed to be due to the decrease of a crystalline anisotropy energy.

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Magnetic and structural properties of (Co_1-xFe_x)Pt thin films

Abstract

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