Three-dimensional mapping of the anisotropic magnetoresistance in Fe 3O4 single crystal thin films

Z. Ding; J. X. Li; J. Zhu; T. P. Ma; C. Won; Y. Z. Wu

doi:10.1063/1.4796178

Three-dimensional mapping of the anisotropic magnetoresistance in Fe ₃O₄ single crystal thin films

Z. Ding, J. X. Li, J. Zhu, T. P. Ma, C. Won, Y. Z. Wu

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

23 Citations (Scopus)

Abstract

The anisotropic magnetoresistance (AMR) effect with a magnetic field along arbitrary directions in single crystalline (001)-oriented Fe₃O ₄ films was studied. A cubic symmetry term, an in-plane uniaxial term, and an out-of-plane uniaxial term could be quantitatively separated. The cubic term is independent of the current direction, and decreases with increasing temperature, but both in-plane and out-of-plane uniaxial terms are found to be strongly dependent on the current orientation. This three-dimensional magnetoresistance measurement provides a quantitative method for identifying the different contributions to the AMR effect.

Original language	English
Article number	17B103
Journal	Journal of Applied Physics
Volume	113
Issue number	17
DOIs	https://doi.org/10.1063/1.4796178
Publication status	Published - 7 May 2013

Bibliographical note

Funding Information:
This work was supported by NSFC and MOST (Nos. 2011CB921801, 2009CB929203, and 2010DFA52220) of China, WHMFC (No. WHMFCKF2011008).

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title = "Three-dimensional mapping of the anisotropic magnetoresistance in Fe 3O4 single crystal thin films",

abstract = "The anisotropic magnetoresistance (AMR) effect with a magnetic field along arbitrary directions in single crystalline (001)-oriented Fe3O 4 films was studied. A cubic symmetry term, an in-plane uniaxial term, and an out-of-plane uniaxial term could be quantitatively separated. The cubic term is independent of the current direction, and decreases with increasing temperature, but both in-plane and out-of-plane uniaxial terms are found to be strongly dependent on the current orientation. This three-dimensional magnetoresistance measurement provides a quantitative method for identifying the different contributions to the AMR effect.",

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AU - Ding, Z.

AU - Li, J. X.

AU - Zhu, J.

AU - Ma, T. P.

AU - Won, C.

AU - Wu, Y. Z.

N1 - Funding Information: This work was supported by NSFC and MOST (Nos. 2011CB921801, 2009CB929203, and 2010DFA52220) of China, WHMFC (No. WHMFCKF2011008).

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N2 - The anisotropic magnetoresistance (AMR) effect with a magnetic field along arbitrary directions in single crystalline (001)-oriented Fe3O 4 films was studied. A cubic symmetry term, an in-plane uniaxial term, and an out-of-plane uniaxial term could be quantitatively separated. The cubic term is independent of the current direction, and decreases with increasing temperature, but both in-plane and out-of-plane uniaxial terms are found to be strongly dependent on the current orientation. This three-dimensional magnetoresistance measurement provides a quantitative method for identifying the different contributions to the AMR effect.

AB - The anisotropic magnetoresistance (AMR) effect with a magnetic field along arbitrary directions in single crystalline (001)-oriented Fe3O 4 films was studied. A cubic symmetry term, an in-plane uniaxial term, and an out-of-plane uniaxial term could be quantitatively separated. The cubic term is independent of the current direction, and decreases with increasing temperature, but both in-plane and out-of-plane uniaxial terms are found to be strongly dependent on the current orientation. This three-dimensional magnetoresistance measurement provides a quantitative method for identifying the different contributions to the AMR effect.

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Three-dimensional mapping of the anisotropic magnetoresistance in Fe ₃O₄ single crystal thin films

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