Electric field-induced change in magnetocrystalline anisotropy in ferromagnetic transition-metal thin films

Kohji Nakamura; Riki Shimabukuro; Toru Akiyama; Tomonori Ito; A. J. Freeman

doi:10.1088/1742-6596/200/3/032051

Electric field-induced change in magnetocrystalline anisotropy in ferromagnetic transition-metal thin films

Kohji Nakamura^*, Riki Shimabukuro, Toru Akiyama, Tomonori Ito, A. J. Freeman

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

In a search for promising ferromagnets exhibiting a giant magnetocrystalline anisotropy (MCA) change by an external electric field, the MCA in the Fe-Co(001) alloy monolayers is determined by means of full-potential linearized augmented plane-wave method. A large MCA change by the electric field is found to appear in the Fe_0.75Co_0.25 monolayer, and a reasonable origin from a band structural change in the minority-spin d states is obtained, where a position of Fermi level relative to the d band level is a key factor for designing the giant MCA change.

Original language	English (US)
Article number	032051
Journal	Journal of Physics: Conference Series
Volume	200
Issue number	SECTION 3
DOIs	https://doi.org/10.1088/1742-6596/200/3/032051
State	Published - 2010

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Electric field-induced change in magnetocrystalline anisotropy in ferromagnetic transition-metal thin films",

abstract = "In a search for promising ferromagnets exhibiting a giant magnetocrystalline anisotropy (MCA) change by an external electric field, the MCA in the Fe-Co(001) alloy monolayers is determined by means of full-potential linearized augmented plane-wave method. A large MCA change by the electric field is found to appear in the Fe0.75Co0.25 monolayer, and a reasonable origin from a band structural change in the minority-spin d states is obtained, where a position of Fermi level relative to the d band level is a key factor for designing the giant MCA change.",

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AU - Nakamura, Kohji

AU - Shimabukuro, Riki

AU - Akiyama, Toru

AU - Ito, Tomonori

AU - Freeman, A. J.

PY - 2010

Y1 - 2010

N2 - In a search for promising ferromagnets exhibiting a giant magnetocrystalline anisotropy (MCA) change by an external electric field, the MCA in the Fe-Co(001) alloy monolayers is determined by means of full-potential linearized augmented plane-wave method. A large MCA change by the electric field is found to appear in the Fe0.75Co0.25 monolayer, and a reasonable origin from a band structural change in the minority-spin d states is obtained, where a position of Fermi level relative to the d band level is a key factor for designing the giant MCA change.

AB - In a search for promising ferromagnets exhibiting a giant magnetocrystalline anisotropy (MCA) change by an external electric field, the MCA in the Fe-Co(001) alloy monolayers is determined by means of full-potential linearized augmented plane-wave method. A large MCA change by the electric field is found to appear in the Fe0.75Co0.25 monolayer, and a reasonable origin from a band structural change in the minority-spin d states is obtained, where a position of Fermi level relative to the d band level is a key factor for designing the giant MCA change.

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Electric field-induced change in magnetocrystalline anisotropy in ferromagnetic transition-metal thin films

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