Interfacial disorder in the L10 FePt particles capped with amorphous Al2O3

Y. K. Takahashi; K. Hono

doi:10.1063/1.1641175

Interfacial disorder in the L1₀ FePt particles capped with amorphous Al₂O₃

Y. K. Takahashi^*, K. Hono

^*Corresponding author for this work

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

51 Citations (Scopus)

Abstract

The disordering of FePt particles capped with amorphous Al ₂O₃ was discussed. FePt films were prepared by cosputtering high-purity Fe and Pt targets on heated MgO(001) single crystal substrates using a multiple dc-sputtering system. It was found that interfacial disordering is driven by the strain at the interface and does not progress when the capped layer is deposited at elevated temperature. The results show that FePt particulate film becomes magnetized more easily by Al₂O ₃ capping.

Original language	English
Pages (from-to)	383-385
Number of pages	3
Journal	Applied Physics Letters
Volume	84
Issue number	3
DOIs	https://doi.org/10.1063/1.1641175
Publication status	Published - 2004 Jan 19
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Interfacial disorder in the L10 FePt particles capped with amorphous Al2O3",

abstract = "The disordering of FePt particles capped with amorphous Al 2O3 was discussed. FePt films were prepared by cosputtering high-purity Fe and Pt targets on heated MgO(001) single crystal substrates using a multiple dc-sputtering system. It was found that interfacial disordering is driven by the strain at the interface and does not progress when the capped layer is deposited at elevated temperature. The results show that FePt particulate film becomes magnetized more easily by Al2O 3 capping.",

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AB - The disordering of FePt particles capped with amorphous Al 2O3 was discussed. FePt films were prepared by cosputtering high-purity Fe and Pt targets on heated MgO(001) single crystal substrates using a multiple dc-sputtering system. It was found that interfacial disordering is driven by the strain at the interface and does not progress when the capped layer is deposited at elevated temperature. The results show that FePt particulate film becomes magnetized more easily by Al2O 3 capping.

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Interfacial disorder in the L1₀ FePt particles capped with amorphous Al₂O₃

Abstract

ASJC Scopus subject areas

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