Fe-Single-Crystal Films Prepared by the Sputter-Beam Method.

聡, 岡本; 寛, 島田

doi:10.3379/jmsjmag.17.307

Cited by 5 publications

(2 citation statements)

References 3 publications

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“…In the case of the bcc→bct→fcc transition described here, larger strain would result in a bigger anisotropic distortion of the lattice and, therefore, a larger c/a ratio in the bct phase. The influence of strain on the c/a ratio in nitrogen martensite has also been observed by Okamoto et al 18 The last question left to be discussed in conjunction with the ␣→␥Ј transformation in the Fe-N system is the occurrence of different OR's. It is interesting to note in this respect that type I OR and type II OR have, in fact, been reported for two different cases as follows.…”

Section: Orientation Relationships and Morphologysupporting

confidence: 52%

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Phase transformations in epitaxial Ni/Fe bilayers upon low-temperature gaseous nitriding

Mijiritskii

Boerma

2001

Phys. Rev. B

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In this paper we describe studies on the low-temperature gaseous nitriding of epitaxial Ni-covered Fe layers. The epitaxial Ni/Fe bilayer system was grown by laser ablation deposition on an MgO͑001͒ substrate. Nitriding was done in an NH 3 ϩH 2 gas mixture in the 200°C-300°C temperature range. As a result of such nitriding, the main Fe-nitride phases could be produced as a pore-free material. The samples were analyzed by x-ray diffraction and conversion electron Mössbauer spectroscopy. It was observed that at the conditions applied the Fe-nitride phase formation occurs in the ␣→␣Ј, ␣Љ→␥Ј→→␥Љ,␥ٞ sequence, whereby each step is accompanied by grain refinement. The precise orientation relationships between the phases in the ␣→␣Ј, ␣Љ→␥Ј → sequence were determined. Based on the data obtained, a model is proposed that describes this transformation sequence on an atomic scale in terms of martensitic transition. Among other results, evidence is provided for two different types of orientation relationships that can occur between ␣-Fe and ␥Ј-Fe 4 N, depending on the prevailing conditions. The morphology of the Ni/Fe-N system is discussed.

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Section: Orientation Relationships and Morphologysupporting

confidence: 52%

“…1,17 From x-ray scattering calculations, a value of 6.8 is expected for the intensity ratio between the ͑004͒ and ͑002͒ peaks of ␣Љ-Fe 16 N 2 . 18 In our experiments, this ratio was determined to be 12.7. This means that the XRD peak at 58.8°is constituted by both ␣Љ-Fe 16 N 2 ͑004͒ and ␣Ј-Fe 8 N͑002͒ reflections.…”

Section: Resultsmentioning

confidence: 78%

Phase transformations in epitaxial Ni/Fe bilayers upon low-temperature gaseous nitriding

Mijiritskii

Boerma

2001

Phys. Rev. B

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Crystal Structure and Magnetoresistance of Fe₁₀Ni₉₀ Films Deposited by Sputter-Beam Method

Yokoyama¹,

Okamoto

Kitakami

et al. 1993

Jpn. J. Appl. Phys.

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Films of Fe10Ni90 alloy were deposited by the sputter-beam method and their magnetic properties were compared with those of films deposited by a conventional RF sputtering method. High magnetoresistance was obtained for film thickness between 550∼2250 Å. Some of the films exhibit magnetoresistance equal to the bulk value. These properties are attributed to a more enhanced crystal growth than in the RF method.

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Properties of Fe(001) Single-Crystal Films Grown by Sputter Beam Method

Okamoto

Kitakami

Shimada

1994

Jpn. J. Appl. Phys.

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Fe(001) single-crystal films were grown on GaAs(001) substrates by the sputter beam (SB) method. Under the optimum etching condition of GaAs substrates, roughness of the film surfaces observed by atomic force microscope (AFM) can be reduced appreciably, and very flat surfaces can be obtained. Auger electron spectroscopy (AES) gave little evidence of interfacial diffusion between the film and the substrate. X-ray diffraction patterns of the films indicate well-oriented crystal structures, that is, the half-width values of the rocking curve of the Fe(002) reflection are nearly equal to that of the (004) reflection from the GaAs substrates. Furthermore, enhanced growth of single-crystal films was also confirmed by the fact that the linewidth of ferromagnetic resonance (FMR) spectra is equal to that of the single-crystal films formed by molecular beam epitaxy (MBE). These results indicate that the SB method has some advantages as a method of single-crystal film synthesis.

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Fe-Single-Crystal Films Prepared by the Sputter-Beam Method.

Cited by 5 publications

References 3 publications

Phase transformations in epitaxial Ni/Fe bilayers upon low-temperature gaseous nitriding

Phase transformations in epitaxial Ni/Fe bilayers upon low-temperature gaseous nitriding

Crystal Structure and Magnetoresistance of Fe₁₀Ni₉₀ Films Deposited by Sputter-Beam Method

Properties of Fe(001) Single-Crystal Films Grown by Sputter Beam Method

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Fe-Single-Crystal Films Prepared by the Sputter-Beam Method.

Cited by 5 publications

References 3 publications

Phase transformations in epitaxial Ni/Fe bilayers upon low-temperature gaseous nitriding

Phase transformations in epitaxial Ni/Fe bilayers upon low-temperature gaseous nitriding

Crystal Structure and Magnetoresistance of Fe10Ni90 Films Deposited by Sputter-Beam Method

Properties of Fe(001) Single-Crystal Films Grown by Sputter Beam Method

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Crystal Structure and Magnetoresistance of Fe₁₀Ni₉₀ Films Deposited by Sputter-Beam Method