Magnetism and microstructure of compositionally modulated disordered Fe/Ta films

Z. S. Shan; Z. R. Zhao; J. G. Zhao; D. J. Sellmyer

doi:10.1063/1.338460

Magnetism and microstructure of compositionally modulated disordered Fe/Ta films

Z. S. Shan, Z. R. Zhao, J. G. Zhao, D. J. Sellmyer

Physics and Astronomy

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Abstract

Results are presented on compositionally modulated disordered magnetic films of the form (XÅFe/YÅTa), as a function of the modulation wavelength λ≡X+Y. Magnetization, ac susceptibility, torque magnetometry, x-ray diffraction, and Mössbauer measurements are used to probe magnetic transitions and microstructure. For X and Y values less than about 12 Å the structure is amorphous within the layers and compositionally modulated in the direction perpendicular to the film. Films with ultrathin individual layers (1-3 atomic diameters) exhibit perpendicular anisotropy while the thicker ones have in-plane magnetization. Spin-glass and ferromagnetic transitions are observed and are associated with specific regions of the multilayered films.

Original language	English (US)
Pages (from-to)	4320-4322
Number of pages	3
Journal	Journal of Applied Physics
Volume	61
Issue number	8
DOIs	https://doi.org/10.1063/1.338460
State	Published - 1987

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General Physics and Astronomy

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@article{15da3229d4414880864af86f81a8e555,

title = "Magnetism and microstructure of compositionally modulated disordered Fe/Ta films",

abstract = "Results are presented on compositionally modulated disordered magnetic films of the form (X{\AA}Fe/Y{\AA}Ta), as a function of the modulation wavelength λ≡X+Y. Magnetization, ac susceptibility, torque magnetometry, x-ray diffraction, and M{\"o}ssbauer measurements are used to probe magnetic transitions and microstructure. For X and Y values less than about 12 {\AA} the structure is amorphous within the layers and compositionally modulated in the direction perpendicular to the film. Films with ultrathin individual layers (1-3 atomic diameters) exhibit perpendicular anisotropy while the thicker ones have in-plane magnetization. Spin-glass and ferromagnetic transitions are observed and are associated with specific regions of the multilayered films.",

author = "Shan, {Z. S.} and Zhao, {Z. R.} and Zhao, {J. G.} and Sellmyer, {D. J.}",

year = "1987",

doi = "10.1063/1.338460",

language = "English (US)",

volume = "61",

pages = "4320--4322",

journal = "Journal of Applied Physics",

issn = "0021-8979",

publisher = "American Institute of Physics",

number = "8",

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TY - JOUR

T1 - Magnetism and microstructure of compositionally modulated disordered Fe/Ta films

AU - Shan, Z. S.

AU - Zhao, Z. R.

AU - Zhao, J. G.

AU - Sellmyer, D. J.

PY - 1987

Y1 - 1987

N2 - Results are presented on compositionally modulated disordered magnetic films of the form (XÅFe/YÅTa), as a function of the modulation wavelength λ≡X+Y. Magnetization, ac susceptibility, torque magnetometry, x-ray diffraction, and Mössbauer measurements are used to probe magnetic transitions and microstructure. For X and Y values less than about 12 Å the structure is amorphous within the layers and compositionally modulated in the direction perpendicular to the film. Films with ultrathin individual layers (1-3 atomic diameters) exhibit perpendicular anisotropy while the thicker ones have in-plane magnetization. Spin-glass and ferromagnetic transitions are observed and are associated with specific regions of the multilayered films.

AB - Results are presented on compositionally modulated disordered magnetic films of the form (XÅFe/YÅTa), as a function of the modulation wavelength λ≡X+Y. Magnetization, ac susceptibility, torque magnetometry, x-ray diffraction, and Mössbauer measurements are used to probe magnetic transitions and microstructure. For X and Y values less than about 12 Å the structure is amorphous within the layers and compositionally modulated in the direction perpendicular to the film. Films with ultrathin individual layers (1-3 atomic diameters) exhibit perpendicular anisotropy while the thicker ones have in-plane magnetization. Spin-glass and ferromagnetic transitions are observed and are associated with specific regions of the multilayered films.

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DO - 10.1063/1.338460

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EP - 4322

JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 8

ER -

Magnetism and microstructure of compositionally modulated disordered Fe/Ta films

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