Journal of the Magnetics Society of Japan
Online ISSN : 1880-4004
Print ISSN : 0285-0192
ISSN-L : 0285-0192
Thin films
Preparation of c-axis Oriented Hexagonal Barium Ferrite Thin Films by Alternate Layer Deposition Method
H. ShimizuH. ShinozakiY. HoshiK. KatoF. Kaneko
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JOURNAL OPEN ACCESS

1998 Volume 22 Issue S_1_ISFA_97 Pages S1_188-190

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Abstract

  A deposition of c-axis oriented hexagonal barium ferrite thin films was attempted by means of an alternate periodic deposition of S (Fe2O3) and R(BaFe6O10) layers. All of the films obtained in this study had (001) texture, although they also contained a spinel phase with (111) orientation. Crystallite size in the film depends on the ratio of the thickness of the S layer to that of the R layer, and increased as this ratio increased. M-type barium ferrite (BaM) thin films with excellent c-axis orientation were obtained when the thickness of the S and R layers were 4.7 Å and 6.9 Å, respectively. We also tried to form the W-type barium ferrite (BaW) film by depositing S layers 9.3 Å thick and R layers 6.9 Å thick altemately. The film, however, did not contain the BaW crystallites and was a mixture of BaM and the spinel-type crystallites.

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© 1998 by The Magnetics Society of Japan
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