Structure, hyperfine interactions, and magnetic behavior of amorphous and nanocrystalline Fe80M7B12Cu1 (M=Mo, Nb, Ti) alloys

M. Miglierini, M. Kopcewicz, B. Idzikowski, Z. Horváth, A. Grabias, I. Škorvánek, P. Duźewski, Cs S. Daróczi

Research output: Contribution to journalArticle

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Abstract

57Fe Mössbauer spectrometry is used to elucidate the structural arrangement and nature of hyperfine interactions in amorphous and nanocrystalline forms of Fe80M7B12Cu 1 (M=Mo, Nb, and Ti) alloys. Paramagnetic at room temperature as-quenched M=Mo amorphous alloy shows a distribution of quadrupole splitting (TC=265 K). After partial crystallization, a wide range of hyperfine interactions is observed in the residual amorphous matrix of all samples. The hyperfine field distributions corresponding to the amorphous phase and interfacial zone provide a quantitative basis for a design of topography of hyperfine interactions. Closer inspection of magnetic interactions is made by the help of unconventional radio frequency (rf) Mössbauer technique. The rf Mössbauer results show that the nanocrystalline Fe phase has a larger anisotropy than that of the parent amorphous phase. Conventional magnetic measurements, differential scanning calorimetry, x-ray diffraction, transmission electron microscopy, and scanning tunneling microscopy experiments are employed to provide complementary information.

Original languageEnglish
Pages (from-to)1014-1025
Number of pages12
JournalJournal of Applied Physics
Volume85
Issue number2
Publication statusPublished - Jan 15 1999

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hyperfine structure
radio frequencies
interactions
magnetic measurement
scanning tunneling microscopy
inspection
topography
x ray diffraction
heat measurement
quadrupoles
crystallization
transmission electron microscopy
anisotropy
scanning
room temperature
matrices
spectroscopy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

Miglierini, M., Kopcewicz, M., Idzikowski, B., Horváth, Z., Grabias, A., Škorvánek, I., ... Daróczi, C. S. (1999). Structure, hyperfine interactions, and magnetic behavior of amorphous and nanocrystalline Fe80M7B12Cu1 (M=Mo, Nb, Ti) alloys. Journal of Applied Physics, 85(2), 1014-1025.

Structure, hyperfine interactions, and magnetic behavior of amorphous and nanocrystalline Fe80M7B12Cu1 (M=Mo, Nb, Ti) alloys. / Miglierini, M.; Kopcewicz, M.; Idzikowski, B.; Horváth, Z.; Grabias, A.; Škorvánek, I.; Duźewski, P.; Daróczi, Cs S.

In: Journal of Applied Physics, Vol. 85, No. 2, 15.01.1999, p. 1014-1025.

Research output: Contribution to journalArticle

Miglierini, M, Kopcewicz, M, Idzikowski, B, Horváth, Z, Grabias, A, Škorvánek, I, Duźewski, P & Daróczi, CS 1999, 'Structure, hyperfine interactions, and magnetic behavior of amorphous and nanocrystalline Fe80M7B12Cu1 (M=Mo, Nb, Ti) alloys', Journal of Applied Physics, vol. 85, no. 2, pp. 1014-1025.
Miglierini, M. ; Kopcewicz, M. ; Idzikowski, B. ; Horváth, Z. ; Grabias, A. ; Škorvánek, I. ; Duźewski, P. ; Daróczi, Cs S. / Structure, hyperfine interactions, and magnetic behavior of amorphous and nanocrystalline Fe80M7B12Cu1 (M=Mo, Nb, Ti) alloys. In: Journal of Applied Physics. 1999 ; Vol. 85, No. 2. pp. 1014-1025.
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