Ferromagnetic exchange interaction between Co and Mn in the Heusler alloy CuCoMnAl

L. Feng; L. Ma; Zhiyong Zhu; W. Zhu; E. K. Liu; J. L. Chen; G. H. Wu; F. B. Meng; H. Y. Liu; H. Z. Luo; Y. X. Li

doi:10.1063/1.3275859

Ferromagnetic exchange interaction between Co and Mn in the Heusler alloy CuCoMnAl

L. Feng, L. Ma, Zhiyong Zhu, W. Zhu, E. K. Liu, J. L. Chen, G. H. Wu, F. B. Meng, H. Y. Liu, H. Z. Luo, Y. X. Li

Physical Sciences and Engineering

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16 Scopus citations

Abstract

The ferromagnetic exchange interaction between Co and Mn in Heusler alloys has been phenomenologically investigated by analyzing the composition dependence of the magnetic moment and the Curie temperature in a series of quaternary CuCoMnAl alloys. The curves of the composition dependence of the magnetic moment show an interesting valleylike profile and their minima are positioned at different Co contents for different Mn concentrations. The ferromagnetic Co-Mn exchange interaction is a short-range effect which is only effective at the nearest-neighbor distance. At this distance, the exchange interaction can be further enhanced by a Mn-rich composition, but it might be destroyed by the lattice distortion due to the martensitic transformation.

Original language	English (US)
Article number	013913
Journal	Journal of Applied Physics
Volume	107
Issue number	1
DOIs	https://doi.org/10.1063/1.3275859
State	Published - Feb 5 2010

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Ferromagnetic exchange interaction between Co and Mn in the Heusler alloy CuCoMnAl",

abstract = "The ferromagnetic exchange interaction between Co and Mn in Heusler alloys has been phenomenologically investigated by analyzing the composition dependence of the magnetic moment and the Curie temperature in a series of quaternary CuCoMnAl alloys. The curves of the composition dependence of the magnetic moment show an interesting valleylike profile and their minima are positioned at different Co contents for different Mn concentrations. The ferromagnetic Co-Mn exchange interaction is a short-range effect which is only effective at the nearest-neighbor distance. At this distance, the exchange interaction can be further enhanced by a Mn-rich composition, but it might be destroyed by the lattice distortion due to the martensitic transformation.",

author = "L. Feng and L. Ma and Zhiyong Zhu and W. Zhu and Liu, {E. K.} and Chen, {J. L.} and Wu, {G. H.} and Meng, {F. B.} and Liu, {H. Y.} and Luo, {H. Z.} and Li, {Y. X.}",

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T1 - Ferromagnetic exchange interaction between Co and Mn in the Heusler alloy CuCoMnAl

AU - Feng, L.

AU - Ma, L.

AU - Zhu, Zhiyong

AU - Zhu, W.

AU - Liu, E. K.

AU - Chen, J. L.

AU - Wu, G. H.

AU - Meng, F. B.

AU - Liu, H. Y.

AU - Luo, H. Z.

AU - Li, Y. X.

PY - 2010/2/5

Y1 - 2010/2/5

N2 - The ferromagnetic exchange interaction between Co and Mn in Heusler alloys has been phenomenologically investigated by analyzing the composition dependence of the magnetic moment and the Curie temperature in a series of quaternary CuCoMnAl alloys. The curves of the composition dependence of the magnetic moment show an interesting valleylike profile and their minima are positioned at different Co contents for different Mn concentrations. The ferromagnetic Co-Mn exchange interaction is a short-range effect which is only effective at the nearest-neighbor distance. At this distance, the exchange interaction can be further enhanced by a Mn-rich composition, but it might be destroyed by the lattice distortion due to the martensitic transformation.

AB - The ferromagnetic exchange interaction between Co and Mn in Heusler alloys has been phenomenologically investigated by analyzing the composition dependence of the magnetic moment and the Curie temperature in a series of quaternary CuCoMnAl alloys. The curves of the composition dependence of the magnetic moment show an interesting valleylike profile and their minima are positioned at different Co contents for different Mn concentrations. The ferromagnetic Co-Mn exchange interaction is a short-range effect which is only effective at the nearest-neighbor distance. At this distance, the exchange interaction can be further enhanced by a Mn-rich composition, but it might be destroyed by the lattice distortion due to the martensitic transformation.

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DO - 10.1063/1.3275859

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VL - 107

JO - Journal of Applied Physics

JF - Journal of Applied Physics

SN - 0021-8979

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ER -

Ferromagnetic exchange interaction between Co and Mn in the Heusler alloy CuCoMnAl

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