α″-Fe16N2 problem - giant magnetic moment or not

Migaku Takahashi; H. Shoji

doi:10.1016/S0304-8853(99)00536-3

α″-Fe₁₆N₂ problem - giant magnetic moment or not

Migaku Takahashi, H. Shoji

Research output: Contribution to journal › Short survey › peer-review

72 Citations (Scopus)

Abstract

We reviewed the present situation of the α″-Fe₁₆N₂ problem for α″-Fe₁₆N₂ films with and without giant magnetic moment in connection with structure and magnetic moment. The results of XRD and TEM analysis did not show any difference between α″-Fe₁₆N₂ films with and without giant magnetic moment. The Moessbauer spectrum was quite different in each case. The hyperfine field of Fe₁₆N₂ film synthesized by the present authors splits into three hyperfine field interactions. However for the Fe₁₆N₂ with giant magnetic moment, hyperfine field interaction did not split and is almost the same as that of pure α-Fe. Therefore, the interpretation of Moessbauer spectra is the key item to solve the α″-Fe₁₆N₂ problem.

Original language	English
Pages (from-to)	145-157
Number of pages	13
Journal	Journal of Magnetism and Magnetic Materials
Volume	208
Issue number	3
DOIs	https://doi.org/10.1016/S0304-8853(99)00536-3
Publication status	Published - 2000 Jan 15

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "α″-Fe16N2 problem - giant magnetic moment or not",

abstract = "We reviewed the present situation of the α″-Fe16N2 problem for α″-Fe16N2 films with and without giant magnetic moment in connection with structure and magnetic moment. The results of XRD and TEM analysis did not show any difference between α″-Fe16N2 films with and without giant magnetic moment. The Moessbauer spectrum was quite different in each case. The hyperfine field of Fe16N2 film synthesized by the present authors splits into three hyperfine field interactions. However for the Fe16N2 with giant magnetic moment, hyperfine field interaction did not split and is almost the same as that of pure α-Fe. Therefore, the interpretation of Moessbauer spectra is the key item to solve the α″-Fe16N2 problem.",

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T1 - α″-Fe16N2 problem - giant magnetic moment or not

AU - Takahashi, Migaku

AU - Shoji, H.

PY - 2000/1/15

Y1 - 2000/1/15

N2 - We reviewed the present situation of the α″-Fe16N2 problem for α″-Fe16N2 films with and without giant magnetic moment in connection with structure and magnetic moment. The results of XRD and TEM analysis did not show any difference between α″-Fe16N2 films with and without giant magnetic moment. The Moessbauer spectrum was quite different in each case. The hyperfine field of Fe16N2 film synthesized by the present authors splits into three hyperfine field interactions. However for the Fe16N2 with giant magnetic moment, hyperfine field interaction did not split and is almost the same as that of pure α-Fe. Therefore, the interpretation of Moessbauer spectra is the key item to solve the α″-Fe16N2 problem.

AB - We reviewed the present situation of the α″-Fe16N2 problem for α″-Fe16N2 films with and without giant magnetic moment in connection with structure and magnetic moment. The results of XRD and TEM analysis did not show any difference between α″-Fe16N2 films with and without giant magnetic moment. The Moessbauer spectrum was quite different in each case. The hyperfine field of Fe16N2 film synthesized by the present authors splits into three hyperfine field interactions. However for the Fe16N2 with giant magnetic moment, hyperfine field interaction did not split and is almost the same as that of pure α-Fe. Therefore, the interpretation of Moessbauer spectra is the key item to solve the α″-Fe16N2 problem.

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