Growth and properties of multilayered Ba- and Sr-Ferrites' films

T. Fujii; H. Kato; Y. Miura; Jun Takada

doi:10.1051/jp4:19971197

Growth and properties of multilayered Ba- and Sr-Ferrites' films

T. Fujii, H. Kato, Y. Miura, Jun Takada

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Abstract

Thin films of c-axis oriented Ba- and Sr-hexaferrits (BaM and SrM) were prepared by reactive evaporation method without any post heat treatments. Subsequently growth of BaM/SrM multilayered films was tried and the sidebands in XRD clearly appeared. According to magnetization measurements all films had the perpendicular magnetic anisotropy. However the M_s for BaM film was only 55% of that for the bulk. A broad background in Mössbauer spectrum for the BaM suggested the fluctuating magnetic moments. Though the M_s for SrM film was improved it had some inplane magnetization components. To combine the advantages of BaM and SrM individual films, the BaM/SrM multilayered film exhibited good magnetic properties: The M_s was recovered to about 80% of the bulk value and the inplane magnetization components disappeared in both the magnetization curves and the Mössbauer spectrum.

Original language	English
Pages (from-to)	C1-485-C1-486
Journal	Journal De Physique. IV : JP
Volume	7
Issue number	1
DOIs	https://doi.org/10.1051/jp4:19971197
Publication status	Published - Mar 1997

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "Thin films of c-axis oriented Ba- and Sr-hexaferrits (BaM and SrM) were prepared by reactive evaporation method without any post heat treatments. Subsequently growth of BaM/SrM multilayered films was tried and the sidebands in XRD clearly appeared. According to magnetization measurements all films had the perpendicular magnetic anisotropy. However the Ms for BaM film was only 55% of that for the bulk. A broad background in M{\"o}ssbauer spectrum for the BaM suggested the fluctuating magnetic moments. Though the Ms for SrM film was improved it had some inplane magnetization components. To combine the advantages of BaM and SrM individual films, the BaM/SrM multilayered film exhibited good magnetic properties: The Ms was recovered to about 80% of the bulk value and the inplane magnetization components disappeared in both the magnetization curves and the M{\"o}ssbauer spectrum.",

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T1 - Growth and properties of multilayered Ba- and Sr-Ferrites' films

AU - Fujii, T.

AU - Kato, H.

AU - Miura, Y.

AU - Takada, Jun

PY - 1997/3

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N2 - Thin films of c-axis oriented Ba- and Sr-hexaferrits (BaM and SrM) were prepared by reactive evaporation method without any post heat treatments. Subsequently growth of BaM/SrM multilayered films was tried and the sidebands in XRD clearly appeared. According to magnetization measurements all films had the perpendicular magnetic anisotropy. However the Ms for BaM film was only 55% of that for the bulk. A broad background in Mössbauer spectrum for the BaM suggested the fluctuating magnetic moments. Though the Ms for SrM film was improved it had some inplane magnetization components. To combine the advantages of BaM and SrM individual films, the BaM/SrM multilayered film exhibited good magnetic properties: The Ms was recovered to about 80% of the bulk value and the inplane magnetization components disappeared in both the magnetization curves and the Mössbauer spectrum.

AB - Thin films of c-axis oriented Ba- and Sr-hexaferrits (BaM and SrM) were prepared by reactive evaporation method without any post heat treatments. Subsequently growth of BaM/SrM multilayered films was tried and the sidebands in XRD clearly appeared. According to magnetization measurements all films had the perpendicular magnetic anisotropy. However the Ms for BaM film was only 55% of that for the bulk. A broad background in Mössbauer spectrum for the BaM suggested the fluctuating magnetic moments. Though the Ms for SrM film was improved it had some inplane magnetization components. To combine the advantages of BaM and SrM individual films, the BaM/SrM multilayered film exhibited good magnetic properties: The Ms was recovered to about 80% of the bulk value and the inplane magnetization components disappeared in both the magnetization curves and the Mössbauer spectrum.

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Growth and properties of multilayered Ba- and Sr-Ferrites' films

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