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2012 | 121 | 5-6 | 1257-1260
Article title

Mössbauer Study of Magnetic Properties of Fe_{80-x}Co_{x}Zr_7Si_{13} (x = 0-30~at.%) Boron-Free Amorphous Alloys

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Abstracts
EN
Amorphous Fe_{80-x}Co_{x}Zr_7Si_{13} (x = 0-30 at.%) alloys in which boron was completely replaced by silicon as a glass forming element have been prepared by melt quenching. Partial substitution of iron by cobalt caused the increase of the hyperfine field and saturation magnetization. The specialized rf-Mössbauer measurements revealed that all amorphous alloys studied are magnetically very soft. The rf-sidebands effect, related to magnetostriction, increases with the increase of Co content. In Fe_{50}Co_{30}Zr_7Si_{13} sample the rf field exposure induced partial crystallization of amorphous phase that was attributed to mechanical deformations related to high frequency magnetostrictive vibrations induced by the rf field. The measurements of the hysteresis loop revealed that coercivity increases for higher Co content.
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author
  • Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warszawa, Poland
author
  • Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warszawa, Poland
author
  • Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warszawa, Poland
author
  • Faculty of Materials Science and Engineering, Warsaw University of Technology, Wołoska 141, 02-507 Warszawa, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
author
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
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bwmeta1.element.bwnjournal-article-appv121n5-6p82kz
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