Study of perpendicular magnetic anisotropy and magneto-elastic coupling in the first principles and phenomenology

J. Inoue; H. Itoh; M. A. Tanaka; K. Mibu; T. Niizeki; H. Yanagihara; E. Kita

doi:10.1109/TMAG.2013.2243703

Study of perpendicular magnetic anisotropy and magneto-elastic coupling in the first principles and phenomenology

J. Inoue, H. Itoh, M. A. Tanaka, K. Mibu, T. Niizeki, H. Yanagihara, E. Kita

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

13 Citations (Scopus)

Abstract

Considering the importance of magneto-elastic (ME) effects on the magnetic anisotropy (MA) of thin films, phenomenological analysis of the MA of Co ferrites on (001) and (111) substrates is conducted. It is found that thin films of Co ferrites on (111) substrates may produce oblique magnetization, while those on (001) substrates exhibit perpendicular MA. First-principles calculations for the ME constant of L1₀ ordered alloys, which show large uniaxial MA, are also performed, and it is determined that the value of the ME constant is on the same order of magnitude as that for the Co ferrites.

Original language	English
Article number	6558969
Pages (from-to)	3269-3272
Number of pages	4
Journal	IEEE Transactions on Magnetics
Volume	49
Issue number	7
DOIs	https://doi.org/10.1109/TMAG.2013.2243703
Publication status	Published - 2013

Keywords

Co ferrite
L1 ordered alloys
magneto-elastic coupling
perpendicular magnetic anisotropy

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2013.2243703

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abstract = "Considering the importance of magneto-elastic (ME) effects on the magnetic anisotropy (MA) of thin films, phenomenological analysis of the MA of Co ferrites on (001) and (111) substrates is conducted. It is found that thin films of Co ferrites on (111) substrates may produce oblique magnetization, while those on (001) substrates exhibit perpendicular MA. First-principles calculations for the ME constant of L10 ordered alloys, which show large uniaxial MA, are also performed, and it is determined that the value of the ME constant is on the same order of magnitude as that for the Co ferrites.",

keywords = "Co ferrite, L1 ordered alloys, magneto-elastic coupling, perpendicular magnetic anisotropy",

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T1 - Study of perpendicular magnetic anisotropy and magneto-elastic coupling in the first principles and phenomenology

AU - Inoue, J.

AU - Itoh, H.

AU - Tanaka, M. A.

AU - Mibu, K.

AU - Niizeki, T.

AU - Yanagihara, H.

AU - Kita, E.

PY - 2013

Y1 - 2013

N2 - Considering the importance of magneto-elastic (ME) effects on the magnetic anisotropy (MA) of thin films, phenomenological analysis of the MA of Co ferrites on (001) and (111) substrates is conducted. It is found that thin films of Co ferrites on (111) substrates may produce oblique magnetization, while those on (001) substrates exhibit perpendicular MA. First-principles calculations for the ME constant of L10 ordered alloys, which show large uniaxial MA, are also performed, and it is determined that the value of the ME constant is on the same order of magnitude as that for the Co ferrites.

AB - Considering the importance of magneto-elastic (ME) effects on the magnetic anisotropy (MA) of thin films, phenomenological analysis of the MA of Co ferrites on (001) and (111) substrates is conducted. It is found that thin films of Co ferrites on (111) substrates may produce oblique magnetization, while those on (001) substrates exhibit perpendicular MA. First-principles calculations for the ME constant of L10 ordered alloys, which show large uniaxial MA, are also performed, and it is determined that the value of the ME constant is on the same order of magnitude as that for the Co ferrites.

KW - Co ferrite

KW - L1 ordered alloys

KW - magneto-elastic coupling

KW - perpendicular magnetic anisotropy

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Study of perpendicular magnetic anisotropy and magneto-elastic coupling in the first principles and phenomenology

Abstract

Keywords

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