Magnetic anisotropy and mangnetostriction in L10 FePd alloy

H. Shima; K. Oikawa; Asaya Fujita; K. Fukamichi; K. Ishida

doi:10.1016/j.jmmm.2003.12.898

Magnetic anisotropy and mangnetostriction in L1₀ FePd alloy

H. Shima, K. Oikawa, Asaya Fujita, K. Fukamichi, K. Ishida

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

15 Citations (Scopus)

Abstract

The value of uniaxial magnetocrystalline anisotropy constant K_U in the L1₀)-type Fe₄₈Pd₅₂ single crystal is 2. 5 × 10⁷ erg cm^-3 at 4.2 K. The magnetocrystalline anisotropy decreases with increasing temperature. The temperature dependence of K_U is described by the l(l + 1) power law for a uniaxial system. The longitudinal magnetostrictions in the L1₀ phase are anisotropic. The value of λ_∥a along the a-axis in the L1₀ phase is about 100 × 10^-6 and larger than that of λ _∥100 along the 〈0 0 1〉 direction in the disordered phase and also λ_∥c along the c-axis in the L1₀ phase.

Original language	English
Pages (from-to)	2173-2174
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	272-276
Issue number	III
DOIs	https://doi.org/10.1016/j.jmmm.2003.12.898
Publication status	Published - 2004 May
Externally published	Yes

Keywords

Magnetic anisotropy
Magnetostriction
Orbital angular momentum
Ordered L1 FePd

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Magnetic anisotropy and mangnetostriction in L10 FePd alloy",

abstract = "The value of uniaxial magnetocrystalline anisotropy constant KU in the L10)-type Fe48Pd52 single crystal is 2. 5 × 107 erg cm-3 at 4.2 K. The magnetocrystalline anisotropy decreases with increasing temperature. The temperature dependence of KU is described by the l(l + 1) power law for a uniaxial system. The longitudinal magnetostrictions in the L10 phase are anisotropic. The value of λ∥a along the a-axis in the L10 phase is about 100 × 10-6 and larger than that of λ ∥100 along the 〈0 0 1〉 direction in the disordered phase and also λ∥c along the c-axis in the L10 phase.",

keywords = "Magnetic anisotropy, Magnetostriction, Orbital angular momentum, Ordered L1 FePd",

author = "H. Shima and K. Oikawa and Asaya Fujita and K. Fukamichi and K. Ishida",

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AU - Shima, H.

AU - Oikawa, K.

AU - Fujita, Asaya

AU - Fukamichi, K.

AU - Ishida, K.

PY - 2004/5

Y1 - 2004/5

N2 - The value of uniaxial magnetocrystalline anisotropy constant KU in the L10)-type Fe48Pd52 single crystal is 2. 5 × 107 erg cm-3 at 4.2 K. The magnetocrystalline anisotropy decreases with increasing temperature. The temperature dependence of KU is described by the l(l + 1) power law for a uniaxial system. The longitudinal magnetostrictions in the L10 phase are anisotropic. The value of λ∥a along the a-axis in the L10 phase is about 100 × 10-6 and larger than that of λ ∥100 along the 〈0 0 1〉 direction in the disordered phase and also λ∥c along the c-axis in the L10 phase.

AB - The value of uniaxial magnetocrystalline anisotropy constant KU in the L10)-type Fe48Pd52 single crystal is 2. 5 × 107 erg cm-3 at 4.2 K. The magnetocrystalline anisotropy decreases with increasing temperature. The temperature dependence of KU is described by the l(l + 1) power law for a uniaxial system. The longitudinal magnetostrictions in the L10 phase are anisotropic. The value of λ∥a along the a-axis in the L10 phase is about 100 × 10-6 and larger than that of λ ∥100 along the 〈0 0 1〉 direction in the disordered phase and also λ∥c along the c-axis in the L10 phase.

KW - Magnetic anisotropy

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KW - Orbital angular momentum

KW - Ordered L1 FePd

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