The mechanism of Ag top layer on the coercivity enhancement of FePt thin films

Z. L. Zhao; J. Ding; J. B. Yi; J. S. Chen; J. H. Zeng; J. P. Wang

doi:10.1063/1.1854332

The mechanism of Ag top layer on the coercivity enhancement of FePt thin films

Z. L. Zhao, J. Ding, J. B. Yi, J. S. Chen, J. H. Zeng, J. P. Wang

Electrical and Computer Engineering

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43 Scopus citations

Abstract

The magnetic properties of the FePt thin films with a Ag top layer prepared by magnetron sputtering have been studied. With 4 nm Ag layer deposited right after the deposition of FePt layer, the ordering temperature of the L 10 FePt phase decreased to 350°C or below. X-ray photoelectron spectroscopy results indicate that Ag has diffused into the FePt layer when Ag was deposited at 350°C, while Ag remains on the top of the FePt when Ag was deposited at room temperature. The Ag top layer deposited at 350°C was also found to protect the FePt layer from oxidation.

Original language	English (US)
Article number	10H502
Journal	Journal of Applied Physics
Volume	97
Issue number	10
DOIs	https://doi.org/10.1063/1.1854332
State	Published - May 15 2005

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title = "The mechanism of Ag top layer on the coercivity enhancement of FePt thin films",

abstract = "The magnetic properties of the FePt thin films with a Ag top layer prepared by magnetron sputtering have been studied. With 4 nm Ag layer deposited right after the deposition of FePt layer, the ordering temperature of the L 10 FePt phase decreased to 350°C or below. X-ray photoelectron spectroscopy results indicate that Ag has diffused into the FePt layer when Ag was deposited at 350°C, while Ag remains on the top of the FePt when Ag was deposited at room temperature. The Ag top layer deposited at 350°C was also found to protect the FePt layer from oxidation.",

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AU - Zhao, Z. L.

AU - Ding, J.

AU - Yi, J. B.

AU - Chen, J. S.

AU - Zeng, J. H.

AU - Wang, J. P.

PY - 2005/5/15

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N2 - The magnetic properties of the FePt thin films with a Ag top layer prepared by magnetron sputtering have been studied. With 4 nm Ag layer deposited right after the deposition of FePt layer, the ordering temperature of the L 10 FePt phase decreased to 350°C or below. X-ray photoelectron spectroscopy results indicate that Ag has diffused into the FePt layer when Ag was deposited at 350°C, while Ag remains on the top of the FePt when Ag was deposited at room temperature. The Ag top layer deposited at 350°C was also found to protect the FePt layer from oxidation.

AB - The magnetic properties of the FePt thin films with a Ag top layer prepared by magnetron sputtering have been studied. With 4 nm Ag layer deposited right after the deposition of FePt layer, the ordering temperature of the L 10 FePt phase decreased to 350°C or below. X-ray photoelectron spectroscopy results indicate that Ag has diffused into the FePt layer when Ag was deposited at 350°C, while Ag remains on the top of the FePt when Ag was deposited at room temperature. The Ag top layer deposited at 350°C was also found to protect the FePt layer from oxidation.

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The mechanism of Ag top layer on the coercivity enhancement of FePt thin films

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