Uniaxial magnetic anisotropy in Pd/Fe bilayers on Al 2O 3 (0001) induced by oblique deposition

Chiao Sung Chi; Bo Yao Wang; Way Faung Pong; Tsung Ying Ho; Cheng Jui Tsai; Fang Yuh Lo; Ming Yau Chern; Wen Chin Lin

doi:10.1063/1.4730632

Uniaxial magnetic anisotropy in Pd/Fe bilayers on Al ₂O ₃ (0001) induced by oblique deposition

Chiao Sung Chi^*, Bo Yao Wang, Way Faung Pong, Tsung Ying Ho, Cheng Jui Tsai, Fang Yuh Lo, Ming Yau Chern, Wen Chin Lin

^*Corresponding author for this work

Department of Physics

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

28 Citations (Scopus)

Abstract

This study reports the preparation of self-organized 1-dimensional magnetic structures of Fe on Al ₂O ₃ (0001) by oblique deposition. The x-ray diffraction (XRD) results in this study show the preferred (110) texture of the Fe films. XRD and extended x-ray adsorption fine structure measurements indicate larger oblique deposition angle (65°) leads to more disorder in the Fe crystalline structure. After capping with a Pd overlayer, the Pd/Fe/Al ₂O ₃ (0001) still exhibits uniaxial magnetic anisotropy induced by the underlying 1-dimensional Fe nanostructure. This uniaxial magnetic anisotropy changes with the variation in Fe thickness and oblique deposition angle. These results clearly indicate the feasibility of manipulating uniaxial magnetic anisotropy and crystalline order through the oblique deposition of magnetic materials.

Original language	English
Article number	123918
Journal	Journal of Applied Physics
Volume	111
Issue number	12
DOIs	https://doi.org/10.1063/1.4730632
Publication status	Published - 2012 Jun 15

ASJC Scopus subject areas

General Physics and Astronomy

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title = "Uniaxial magnetic anisotropy in Pd/Fe bilayers on Al 2O 3 (0001) induced by oblique deposition",

abstract = "This study reports the preparation of self-organized 1-dimensional magnetic structures of Fe on Al 2O 3 (0001) by oblique deposition. The x-ray diffraction (XRD) results in this study show the preferred (110) texture of the Fe films. XRD and extended x-ray adsorption fine structure measurements indicate larger oblique deposition angle (65°) leads to more disorder in the Fe crystalline structure. After capping with a Pd overlayer, the Pd/Fe/Al 2O 3 (0001) still exhibits uniaxial magnetic anisotropy induced by the underlying 1-dimensional Fe nanostructure. This uniaxial magnetic anisotropy changes with the variation in Fe thickness and oblique deposition angle. These results clearly indicate the feasibility of manipulating uniaxial magnetic anisotropy and crystalline order through the oblique deposition of magnetic materials.",

author = "Chi, {Chiao Sung} and Wang, {Bo Yao} and Pong, {Way Faung} and Ho, {Tsung Ying} and Tsai, {Cheng Jui} and Lo, {Fang Yuh} and Chern, {Ming Yau} and Lin, {Wen Chin}",

note = "Funding Information: This work was supported by the National Science Council of Taiwan under Grant Nos. NSC 99-2738-M-003-001, NSC 99-2112-M-003-009-MY3, and NSC 99-2923-M-003-001-MY2. ",

year = "2012",

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doi = "10.1063/1.4730632",

language = "English",

volume = "111",

journal = "Journal of Applied Physics",

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AU - Chi, Chiao Sung

AU - Wang, Bo Yao

AU - Pong, Way Faung

AU - Ho, Tsung Ying

AU - Tsai, Cheng Jui

AU - Lo, Fang Yuh

AU - Chern, Ming Yau

AU - Lin, Wen Chin

N1 - Funding Information: This work was supported by the National Science Council of Taiwan under Grant Nos. NSC 99-2738-M-003-001, NSC 99-2112-M-003-009-MY3, and NSC 99-2923-M-003-001-MY2.

PY - 2012/6/15

Y1 - 2012/6/15

N2 - This study reports the preparation of self-organized 1-dimensional magnetic structures of Fe on Al 2O 3 (0001) by oblique deposition. The x-ray diffraction (XRD) results in this study show the preferred (110) texture of the Fe films. XRD and extended x-ray adsorption fine structure measurements indicate larger oblique deposition angle (65°) leads to more disorder in the Fe crystalline structure. After capping with a Pd overlayer, the Pd/Fe/Al 2O 3 (0001) still exhibits uniaxial magnetic anisotropy induced by the underlying 1-dimensional Fe nanostructure. This uniaxial magnetic anisotropy changes with the variation in Fe thickness and oblique deposition angle. These results clearly indicate the feasibility of manipulating uniaxial magnetic anisotropy and crystalline order through the oblique deposition of magnetic materials.

AB - This study reports the preparation of self-organized 1-dimensional magnetic structures of Fe on Al 2O 3 (0001) by oblique deposition. The x-ray diffraction (XRD) results in this study show the preferred (110) texture of the Fe films. XRD and extended x-ray adsorption fine structure measurements indicate larger oblique deposition angle (65°) leads to more disorder in the Fe crystalline structure. After capping with a Pd overlayer, the Pd/Fe/Al 2O 3 (0001) still exhibits uniaxial magnetic anisotropy induced by the underlying 1-dimensional Fe nanostructure. This uniaxial magnetic anisotropy changes with the variation in Fe thickness and oblique deposition angle. These results clearly indicate the feasibility of manipulating uniaxial magnetic anisotropy and crystalline order through the oblique deposition of magnetic materials.

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Uniaxial magnetic anisotropy in Pd/Fe bilayers on Al ₂O ₃ (0001) induced by oblique deposition

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